core: expose v2 model listing API (#25821)

packages/core/src/plugin/auth.ts

@@ -0,0 +1,27 @@
+import { Effect } from "effect"
+import { AuthV2 } from "../auth"
+import { PluginV2 } from "../plugin"
+
+export const AuthPlugin = PluginV2.define({
+  id: PluginV2.ID.make("auth"),
+  effect: Effect.gen(function* () {
+    const auth = yield* AuthV2.Service
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        const account = yield* auth.active(AuthV2.ServiceID.make(evt.provider.id)).pipe(Effect.orDie)
+        if (!account) return
+        evt.provider.enabled = {
+          via: "auth",
+          service: account.serviceID,
+        }
+        if (account.credential.type === "api") {
+          evt.provider.options.aisdk.provider.apiKey = account.credential.key
+          Object.assign(evt.provider.options.aisdk.provider, account.credential.metadata ?? {})
+        }
+        if (account.credential.type === "oauth") {
+          evt.provider.options.aisdk.provider.apiKey = account.credential.access
+        }
+      }),
+    }
+  }),
+})

packages/core/src/plugin/env.ts

@@ -0,0 +1,18 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../plugin"
+
+export const EnvPlugin = PluginV2.define({
+  id: PluginV2.ID.make("env"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        const key = evt.provider.env.find((item) => process.env[item])
+        if (!key) return
+        evt.provider.enabled = {
+          via: "env",
+          name: key,
+        }
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider.ts

@@ -0,0 +1 @@
+export { ProviderPlugins } from "./provider/index"

packages/core/src/plugin/provider/alibaba.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const AlibabaPlugin = PluginV2.define({
+  id: PluginV2.ID.make("alibaba"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/alibaba") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/alibaba"))
+        evt.sdk = mod.createAlibaba(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/amazon-bedrock.ts

@@ -0,0 +1,94 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+// Bedrock cross-region inference profiles require regional prefixes only for
+// specific model/region combinations. Keep the mapping narrow and avoid
+// double-prefixing model IDs that models.dev already marks as global/us/eu/etc.
+function resolveModelID(modelID: string, region: string | undefined) {
+  const crossRegionPrefixes = ["global.", "us.", "eu.", "jp.", "apac.", "au."]
+  if (crossRegionPrefixes.some((prefix) => modelID.startsWith(prefix))) return modelID
+
+  const resolvedRegion = region ?? "us-east-1"
+  const regionPrefix = resolvedRegion.split("-")[0]
+  if (regionPrefix === "us") {
+    const requiresPrefix = ["nova-micro", "nova-lite", "nova-pro", "nova-premier", "nova-2", "claude", "deepseek"].some(
+      (item) => modelID.includes(item),
+    )
+    if (requiresPrefix && !resolvedRegion.startsWith("us-gov")) return `${regionPrefix}.${modelID}`
+    return modelID
+  }
+  if (regionPrefix === "eu") {
+    const regionRequiresPrefix = [
+      "eu-west-1",
+      "eu-west-2",
+      "eu-west-3",
+      "eu-north-1",
+      "eu-central-1",
+      "eu-south-1",
+      "eu-south-2",
+    ].some((item) => resolvedRegion.includes(item))
+    const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "llama3", "pixtral"].some((item) =>
+      modelID.includes(item),
+    )
+    return regionRequiresPrefix && modelRequiresPrefix ? `${regionPrefix}.${modelID}` : modelID
+  }
+  if (regionPrefix !== "ap") return modelID
+
+  const australia = ["ap-southeast-2", "ap-southeast-4"].includes(resolvedRegion)
+  if (australia && ["anthropic.claude-sonnet-4-5", "anthropic.claude-haiku"].some((item) => modelID.includes(item))) {
+    return `au.${modelID}`
+  }
+
+  const prefix = resolvedRegion === "ap-northeast-1" ? "jp" : "apac"
+  return ["claude", "nova-lite", "nova-micro", "nova-pro"].some((item) => modelID.includes(item))
+    ? `${prefix}.${modelID}`
+    : modelID
+}
+
+export const AmazonBedrockPlugin = PluginV2.define({
+  id: PluginV2.ID.make("amazon-bedrock"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.amazonBedrock) return
+        if (evt.provider.endpoint.type !== "aisdk") return
+        if (typeof evt.provider.options.aisdk.provider.endpoint !== "string") return
+        // The AI SDK expects a base URL, but users configure Bedrock private/VPC
+        // endpoints as `endpoint`; move it into the catalog endpoint URL once.
+        evt.provider.endpoint.url = evt.provider.options.aisdk.provider.endpoint
+        delete evt.provider.options.aisdk.provider.endpoint
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/amazon-bedrock") return
+        const options = { ...evt.options }
+        const profile = typeof options.profile === "string" ? options.profile : process.env.AWS_PROFILE
+        const region = typeof options.region === "string" ? options.region : (process.env.AWS_REGION ?? "us-east-1")
+        const bearerToken =
+          process.env.AWS_BEARER_TOKEN_BEDROCK ??
+          (typeof options.bearerToken === "string" ? options.bearerToken : undefined)
+        if (bearerToken && !process.env.AWS_BEARER_TOKEN_BEDROCK) process.env.AWS_BEARER_TOKEN_BEDROCK = bearerToken
+        const containerCreds = Boolean(
+          process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI || process.env.AWS_CONTAINER_CREDENTIALS_FULL_URI,
+        )
+
+        options.region = region
+        if (typeof options.endpoint === "string") options.baseURL = options.endpoint
+        if (!bearerToken && options.credentialProvider === undefined) {
+          // Do not gate SDK creation on explicit AWS env vars. The default chain
+          // also handles ~/.aws/credentials, SSO, process creds, and instance roles.
+          const { fromNodeProviderChain } = yield* Effect.promise(() => import("@aws-sdk/credential-providers"))
+          options.credentialProvider = fromNodeProviderChain(profile ? { profile } : {})
+        }
+
+        const mod = yield* Effect.promise(() => import("@ai-sdk/amazon-bedrock"))
+        evt.sdk = mod.createAmazonBedrock(options)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.amazonBedrock) return
+        const region = typeof evt.options.region === "string" ? evt.options.region : process.env.AWS_REGION
+        evt.language = evt.sdk.languageModel(resolveModelID(evt.model.apiID, region))
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/anthropic.ts

@@ -0,0 +1,21 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const AnthropicPlugin = PluginV2.define({
+  id: PluginV2.ID.make("anthropic"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.anthropic) return
+        evt.provider.options.headers["anthropic-beta"] =
+          "interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14"
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/anthropic") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/anthropic"))
+        evt.sdk = mod.createAnthropic(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/azure.ts

@@ -0,0 +1,67 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+function selectLanguage(sdk: any, modelID: string, useChat: boolean) {
+  if (useChat && sdk.chat) return sdk.chat(modelID)
+  if (sdk.responses) return sdk.responses(modelID)
+  if (sdk.messages) return sdk.messages(modelID)
+  if (sdk.chat) return sdk.chat(modelID)
+  return sdk.languageModel(modelID)
+}
+
+export const AzurePlugin = PluginV2.define({
+  id: PluginV2.ID.make("azure"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.azure) return
+        const configured = evt.provider.options.aisdk.provider.resourceName
+        const resourceName =
+          typeof configured === "string" && configured.trim() !== "" ? configured : process.env.AZURE_RESOURCE_NAME
+        if (resourceName) evt.provider.options.aisdk.provider.resourceName = resourceName
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/azure") return
+        if (evt.model.providerID === ProviderV2.ID.azure) {
+          if (!evt.options.resourceName && !evt.options.baseURL && (evt.model.endpoint.type !== "aisdk" || !evt.model.endpoint.url)) {
+            throw new Error(
+              "AZURE_RESOURCE_NAME is missing, set it using env var or reconnecting the azure provider and setting it",
+            )
+          }
+        }
+        const mod = yield* Effect.promise(() => import("@ai-sdk/azure"))
+        evt.sdk = mod.createAzure(evt.options)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.azure) return
+        evt.language = selectLanguage(
+          evt.sdk,
+          evt.model.apiID,
+          Boolean(evt.options.useCompletionUrls),
+        )
+      }),
+    }
+  }),
+})
+
+export const AzureCognitiveServicesPlugin = PluginV2.define({
+  id: PluginV2.ID.make("azure-cognitive-services"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("azure-cognitive-services")) return
+        const resourceName = process.env.AZURE_COGNITIVE_SERVICES_RESOURCE_NAME
+        if (resourceName) evt.provider.options.aisdk.provider.baseURL = `https://${resourceName}.cognitiveservices.azure.com/openai`
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.make("azure-cognitive-services")) return
+        evt.language = selectLanguage(
+          evt.sdk,
+          evt.model.apiID,
+          Boolean(evt.options.useCompletionUrls),
+        )
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/cerebras.ts

@@ -0,0 +1,20 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const CerebrasPlugin = PluginV2.define({
+  id: PluginV2.ID.make("cerebras"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("cerebras")) return
+        evt.provider.options.headers["X-Cerebras-3rd-Party-Integration"] = "opencode"
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/cerebras") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/cerebras"))
+        evt.sdk = mod.createCerebras(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/cloudflare-ai-gateway.ts

@@ -0,0 +1,81 @@
+import os from "os"
+import { InstallationVersion } from "../../installation/version"
+import { Effect, Option, Schema } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const CloudflareAIGatewayPlugin = PluginV2.define({
+  id: PluginV2.ID.make("cloudflare-ai-gateway"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "ai-gateway-provider") return
+        if (evt.options.baseURL) return
+
+        const config = gatewayConfig(evt.options)
+        if (!config) return
+        const metadata = gatewayMetadata(evt.options)
+        const { createAiGateway } = yield* Effect.promise(() => import("ai-gateway-provider")).pipe(Effect.orDie)
+        const { createUnified } = yield* Effect.promise(() => import("ai-gateway-provider/providers/unified")).pipe(
+          Effect.orDie,
+        )
+        const gateway = createAiGateway({
+          accountId: config.accountId,
+          gateway: config.gatewayId,
+          apiKey: config.apiKey,
+          options: gatewayOptions(evt.options, metadata),
+        } as any)
+        const unified = createUnified()
+        evt.sdk = {
+          languageModel(modelID: string) {
+            return gateway(unified(modelID))
+          },
+        }
+      }),
+    }
+  }),
+})
+
+type GatewayConfig = {
+  accountId: string
+  gatewayId: string
+  apiKey: string
+}
+
+const decodeJson = Schema.decodeUnknownOption(Schema.UnknownFromJsonString)
+
+function gatewayConfig(options: Record<string, unknown>): GatewayConfig | undefined {
+  const accountId = process.env.CLOUDFLARE_ACCOUNT_ID ?? stringOption(options, "accountId")
+  // AuthPlugin copies CLI prompt metadata into options. The prompt stores the
+  // gateway as gatewayId, while older config examples may use gateway.
+  const gatewayId =
+    process.env.CLOUDFLARE_GATEWAY_ID ?? stringOption(options, "gatewayId") ?? stringOption(options, "gateway")
+  const apiKey = process.env.CLOUDFLARE_API_TOKEN ?? process.env.CF_AIG_TOKEN ?? stringOption(options, "apiKey")
+  if (!accountId || !gatewayId || !apiKey) return undefined
+
+  return { accountId, gatewayId, apiKey }
+}
+
+function gatewayMetadata(options: Record<string, unknown>) {
+  // Preserve the legacy cf-aig-metadata header escape hatch for gateway logging
+  // metadata, but prefer the typed metadata option when present.
+  if (options.metadata !== undefined) return options.metadata
+  const raw = (options.headers as Record<string, string> | undefined)?.["cf-aig-metadata"]
+  return raw ? Option.getOrUndefined(decodeJson(raw)) : undefined
+}
+
+function gatewayOptions(options: Record<string, unknown>, metadata: unknown) {
+  return {
+    metadata,
+    cacheTtl: options.cacheTtl,
+    cacheKey: options.cacheKey,
+    skipCache: options.skipCache,
+    collectLog: options.collectLog,
+    headers: {
+      "User-Agent": `opencode/${InstallationVersion} cloudflare-ai-gateway (${os.platform()} ${os.release()}; ${os.arch()})`,
+    },
+  }
+}
+
+function stringOption(options: Record<string, unknown>, key: string) {
+  return typeof options[key] === "string" ? options[key] : undefined
+}

packages/core/src/plugin/provider/cloudflare-workers-ai.ts

@@ -0,0 +1,69 @@
+import os from "os"
+import { InstallationVersion } from "../../installation/version"
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+const providerID = ProviderV2.ID.make("cloudflare-workers-ai")
+
+export const CloudflareWorkersAIPlugin = PluginV2.define({
+  id: PluginV2.ID.make("cloudflare-workers-ai"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== providerID) return
+        if (evt.provider.endpoint.type !== "aisdk") return
+        if (evt.provider.endpoint.url) return
+
+        const accountId = resolveAccountId(evt.provider.options.aisdk.provider)
+        if (accountId) evt.provider.endpoint.url = workersEndpoint(accountId)
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== providerID) return
+        if (evt.package !== "@ai-sdk/openai-compatible") return
+
+        if (!hasWorkersEndpoint(evt.model.endpoint)) return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/openai-compatible"))
+        evt.sdk = mod.createOpenAICompatible(sdkOptions(evt.options) as any)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== providerID) return
+        evt.language = evt.sdk.languageModel(evt.model.apiID)
+      }),
+    }
+  }),
+})
+
+function resolveAccountId(options: Record<string, unknown>) {
+  return process.env.CLOUDFLARE_ACCOUNT_ID ?? stringOption(options, "accountId")
+}
+
+function workersEndpoint(accountId: string) {
+  return `https://api.cloudflare.com/client/v4/accounts/${accountId}/ai/v1`
+}
+
+function hasWorkersEndpoint(endpoint: ProviderV2.Endpoint) {
+  return endpoint.type === "aisdk" && Boolean(endpoint.url)
+}
+
+function sdkOptions(options: Record<string, any>) {
+  return {
+    ...options,
+    baseURL: expandAccountId(options.baseURL),
+    apiKey: process.env.CLOUDFLARE_API_KEY ?? options.apiKey,
+    headers: {
+      "User-Agent": `opencode/${InstallationVersion} cloudflare-workers-ai (${os.platform()} ${os.release()}; ${os.arch()})`,
+      ...options.headers,
+    },
+    name: providerID,
+  }
+}
+
+function expandAccountId(baseURL: unknown) {
+  if (typeof baseURL !== "string") return baseURL
+  return baseURL.replaceAll("${CLOUDFLARE_ACCOUNT_ID}", process.env.CLOUDFLARE_ACCOUNT_ID ?? "${CLOUDFLARE_ACCOUNT_ID}")
+}
+
+function stringOption(options: Record<string, unknown>, key: string) {
+  return typeof options[key] === "string" ? options[key] : undefined
+}

packages/core/src/plugin/provider/cohere.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const CoherePlugin = PluginV2.define({
+  id: PluginV2.ID.make("cohere"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/cohere") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/cohere"))
+        evt.sdk = mod.createCohere(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/deepinfra.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const DeepInfraPlugin = PluginV2.define({
+  id: PluginV2.ID.make("deepinfra"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/deepinfra") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/deepinfra"))
+        evt.sdk = mod.createDeepInfra(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/dynamic.ts

@@ -0,0 +1,31 @@
+import { Npm } from "../../npm"
+import { Effect, Option } from "effect"
+import { pathToFileURL } from "url"
+import { PluginV2 } from "../../plugin"
+
+export const DynamicProviderPlugin = PluginV2.define({
+  id: PluginV2.ID.make("dynamic-provider"),
+  effect: Effect.gen(function* () {
+    const npm = yield* Npm.Service
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.sdk) return
+
+        const installedPath = evt.package.startsWith("file://")
+          ? evt.package
+          : Option.getOrUndefined((yield* npm.add(evt.package).pipe(Effect.orDie)).entrypoint)
+        if (!installedPath) throw new Error(`Package ${evt.package} has no import entrypoint`)
+
+        const mod = yield* Effect.promise(async () => {
+          return (await import(
+            installedPath.startsWith("file://") ? installedPath : pathToFileURL(installedPath).href
+          )) as Record<string, (options: any) => any>
+        }).pipe(Effect.orDie)
+        const match = Object.keys(mod).find((name) => name.startsWith("create"))
+        if (!match) throw new Error(`Package ${evt.package} has no provider factory export`)
+
+        evt.sdk = mod[match](evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/gateway.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const GatewayPlugin = PluginV2.define({
+  id: PluginV2.ID.make("gateway"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/gateway") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/gateway"))
+        evt.sdk = mod.createGateway(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/github-copilot.ts

@@ -0,0 +1,44 @@
+import { Effect } from "effect"
+import { ModelV2 } from "../../model"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+function shouldUseResponses(modelID: string) {
+  // Copilot supports Responses for GPT-5 class models, except mini variants
+  // which still need the chat-completions endpoint.
+  const match = /^gpt-(\d+)/.exec(modelID)
+  if (!match) return false
+  return Number(match[1]) >= 5 && !modelID.startsWith("gpt-5-mini")
+}
+
+export const GithubCopilotPlugin = PluginV2.define({
+  id: PluginV2.ID.make("github-copilot"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.githubCopilot) return
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/github-copilot") return
+        const mod = yield* Effect.promise(() => import("../../github-copilot/copilot-provider"))
+        evt.sdk = mod.createOpenaiCompatible(evt.options)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.githubCopilot) return
+        if (evt.sdk.responses === undefined && evt.sdk.chat === undefined) {
+          evt.language = evt.sdk.languageModel(evt.model.apiID)
+          return
+        }
+        evt.language = shouldUseResponses(evt.model.apiID)
+          ? evt.sdk.responses(evt.model.apiID)
+          : evt.sdk.chat(evt.model.apiID)
+      }),
+      "model.update": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.githubCopilot) return
+        // This chat-only alias conflicts with the Copilot GPT-5 Responses route,
+        // so hide it only for Copilot rather than for every provider catalog.
+        if (evt.model.id === ModelV2.ID.make("gpt-5-chat-latest")) evt.cancel = true
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/gitlab.ts

@@ -0,0 +1,64 @@
+import os from "os"
+import { InstallationVersion } from "../../installation/version"
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const GitLabPlugin = PluginV2.define({
+  id: PluginV2.ID.make("gitlab"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "gitlab-ai-provider") return
+        const mod = yield* Effect.promise(() => import("gitlab-ai-provider"))
+        evt.sdk = mod.createGitLab({
+          ...evt.options,
+          instanceUrl:
+            typeof evt.options.instanceUrl === "string"
+              ? evt.options.instanceUrl
+              : (process.env.GITLAB_INSTANCE_URL ?? "https://gitlab.com"),
+          apiKey: typeof evt.options.apiKey === "string" ? evt.options.apiKey : process.env.GITLAB_TOKEN,
+          aiGatewayHeaders: {
+            "User-Agent": `opencode/${InstallationVersion} gitlab-ai-provider/${mod.VERSION} (${os.platform()} ${os.release()}; ${os.arch()})`,
+            "anthropic-beta": "context-1m-2025-08-07",
+            ...evt.options.aiGatewayHeaders,
+          },
+          featureFlags: {
+            duo_agent_platform_agentic_chat: true,
+            duo_agent_platform: true,
+            ...evt.options.featureFlags,
+          },
+        })
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.gitlab) return
+        const featureFlags = typeof evt.options.featureFlags === "object" && evt.options.featureFlags ? evt.options.featureFlags : {}
+        if (evt.model.apiID.startsWith("duo-workflow-")) {
+          const gitlab = yield* Effect.promise(() => import("gitlab-ai-provider")).pipe(Effect.orDie)
+          const workflowRef =
+            typeof evt.model.options.aisdk.request.workflowRef === "string"
+              ? evt.model.options.aisdk.request.workflowRef
+              : undefined
+          const workflowDefinition =
+            typeof evt.model.options.aisdk.request.workflowDefinition === "string"
+              ? evt.model.options.aisdk.request.workflowDefinition
+              : undefined
+          const language = evt.sdk.workflowChat(
+            gitlab.isWorkflowModel(evt.model.apiID) ? evt.model.apiID : "duo-workflow",
+            {
+              featureFlags,
+              workflowDefinition,
+            },
+          )
+          if (workflowRef) language.selectedModelRef = workflowRef
+          evt.language = language
+          return
+        }
+        evt.language = evt.sdk.agenticChat(evt.model.apiID, {
+          aiGatewayHeaders: evt.options.aiGatewayHeaders,
+          featureFlags,
+        })
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/google-vertex.ts

@@ -0,0 +1,124 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+function resolveProject(options: Record<string, any>) {
+  // models.dev advertises GOOGLE_VERTEX_PROJECT for Vertex, while Google SDKs
+  // and ADC examples commonly use the broader Google Cloud project aliases.
+  return (
+    options.project ??
+    process.env.GOOGLE_VERTEX_PROJECT ??
+    process.env.GOOGLE_CLOUD_PROJECT ??
+    process.env.GCP_PROJECT ??
+    process.env.GCLOUD_PROJECT
+  )
+}
+
+function resolveLocation(options: Record<string, any>) {
+  return options.location ?? process.env.GOOGLE_VERTEX_LOCATION ?? process.env.GOOGLE_CLOUD_LOCATION ?? process.env.VERTEX_LOCATION ?? "us-central1"
+}
+
+function vertexEndpoint(location: string) {
+  return location === "global" ? "aiplatform.googleapis.com" : `${location}-aiplatform.googleapis.com`
+}
+
+function replaceVertexVars(value: string, project: string | undefined, location: string) {
+  // Vertex OpenAI-compatible endpoints are stored as templates in the catalog;
+  // expand them after provider config/env project and location have been resolved.
+  return value
+    .replaceAll("${GOOGLE_VERTEX_PROJECT}", project ?? "${GOOGLE_VERTEX_PROJECT}")
+    .replaceAll("${GOOGLE_VERTEX_LOCATION}", location)
+    .replaceAll("${GOOGLE_VERTEX_ENDPOINT}", vertexEndpoint(location))
+}
+
+function authFetch(fetchWithRuntimeOptions?: unknown) {
+  // Native Vertex SDKs handle ADC internally. OpenAI-compatible Vertex endpoints
+  // do not, so inject a Google access token into their fetch path.
+  return async (input: Parameters<typeof fetch>[0], init?: RequestInit) => {
+    const { GoogleAuth } = await import("google-auth-library")
+    const auth = new GoogleAuth()
+    const client = await auth.getApplicationDefault()
+    const token = await client.credential.getAccessToken()
+    const headers = new Headers(init?.headers)
+    headers.set("Authorization", `Bearer ${token.token}`)
+    return typeof fetchWithRuntimeOptions === "function"
+      ? fetchWithRuntimeOptions(input, { ...init, headers })
+      : fetch(input, { ...init, headers })
+  }
+}
+
+export const GoogleVertexPlugin = PluginV2.define({
+  id: PluginV2.ID.make("google-vertex"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.googleVertex) return
+        const project = resolveProject(evt.provider.options.aisdk.provider)
+        const location = String(resolveLocation(evt.provider.options.aisdk.provider))
+        if (project) evt.provider.options.aisdk.provider.project = project
+        evt.provider.options.aisdk.provider.location = location
+        if (evt.provider.endpoint.type === "aisdk" && evt.provider.endpoint.url) {
+          evt.provider.endpoint.url = replaceVertexVars(evt.provider.endpoint.url, project, location)
+        }
+        if (evt.provider.endpoint.type === "aisdk" && evt.provider.endpoint.package.includes("@ai-sdk/openai-compatible")) {
+          evt.provider.options.aisdk.provider.fetch = authFetch(evt.provider.options.aisdk.provider.fetch)
+        }
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.model.providerID === ProviderV2.ID.googleVertex && evt.package.includes("@ai-sdk/openai-compatible")) {
+          evt.options.fetch = authFetch(evt.options.fetch)
+          return
+        }
+        if (evt.package !== "@ai-sdk/google-vertex") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/google-vertex"))
+        const project = resolveProject(evt.options)
+        const location = resolveLocation(evt.options)
+        const options = { ...evt.options }
+        delete options.fetch
+        evt.sdk = mod.createVertex({
+          ...options,
+          project,
+          location,
+        })
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.googleVertex) return
+        evt.language = evt.sdk.languageModel(String(evt.model.apiID).trim())
+      }),
+    }
+  }),
+})
+
+export const GoogleVertexAnthropicPlugin = PluginV2.define({
+  id: PluginV2.ID.make("google-vertex-anthropic"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("google-vertex-anthropic")) return
+        const project = evt.provider.options.aisdk.provider.project ?? process.env.GOOGLE_CLOUD_PROJECT ?? process.env.GCP_PROJECT ?? process.env.GCLOUD_PROJECT
+        const location = evt.provider.options.aisdk.provider.location ?? process.env.GOOGLE_CLOUD_LOCATION ?? process.env.VERTEX_LOCATION ?? "global"
+        if (project) evt.provider.options.aisdk.provider.project = project
+        evt.provider.options.aisdk.provider.location = location
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/google-vertex/anthropic") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/google-vertex/anthropic"))
+        evt.sdk = mod.createVertexAnthropic({
+          ...evt.options,
+          project:
+            typeof evt.options.project === "string"
+              ? evt.options.project
+              : (process.env.GOOGLE_CLOUD_PROJECT ?? process.env.GCP_PROJECT ?? process.env.GCLOUD_PROJECT),
+          location:
+            typeof evt.options.location === "string"
+              ? evt.options.location
+              : (process.env.GOOGLE_CLOUD_LOCATION ?? process.env.VERTEX_LOCATION ?? "global"),
+        })
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.make("google-vertex-anthropic")) return
+        evt.language = evt.sdk.languageModel(String(evt.model.apiID).trim())
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/google.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const GooglePlugin = PluginV2.define({
+  id: PluginV2.ID.make("google"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/google") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/google"))
+        evt.sdk = mod.createGoogleGenerativeAI(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/groq.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const GroqPlugin = PluginV2.define({
+  id: PluginV2.ID.make("groq"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/groq") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/groq"))
+        evt.sdk = mod.createGroq(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/index.ts

@@ -0,0 +1,67 @@
+import { AlibabaPlugin } from "./alibaba"
+import { AmazonBedrockPlugin } from "./amazon-bedrock"
+import { AnthropicPlugin } from "./anthropic"
+import { AzureCognitiveServicesPlugin, AzurePlugin } from "./azure"
+import { CerebrasPlugin } from "./cerebras"
+import { CloudflareAIGatewayPlugin } from "./cloudflare-ai-gateway"
+import { CloudflareWorkersAIPlugin } from "./cloudflare-workers-ai"
+import { CoherePlugin } from "./cohere"
+import { DeepInfraPlugin } from "./deepinfra"
+import { DynamicProviderPlugin } from "./dynamic"
+import { GatewayPlugin } from "./gateway"
+import { GithubCopilotPlugin } from "./github-copilot"
+import { GitLabPlugin } from "./gitlab"
+import { GooglePlugin } from "./google"
+import { GoogleVertexAnthropicPlugin, GoogleVertexPlugin } from "./google-vertex"
+import { GroqPlugin } from "./groq"
+import { KiloPlugin } from "./kilo"
+import { LLMGatewayPlugin } from "./llmgateway"
+import { MistralPlugin } from "./mistral"
+import { NvidiaPlugin } from "./nvidia"
+import { OpenAIPlugin } from "./openai"
+import { OpenAICompatiblePlugin } from "./openai-compatible"
+import { OpencodePlugin } from "./opencode"
+import { OpenRouterPlugin } from "./openrouter"
+import { PerplexityPlugin } from "./perplexity"
+import { SapAICorePlugin } from "./sap-ai-core"
+import { TogetherAIPlugin } from "./togetherai"
+import { VercelPlugin } from "./vercel"
+import { VenicePlugin } from "./venice"
+import { XAIPlugin } from "./xai"
+import { ZenmuxPlugin } from "./zenmux"
+
+export const ProviderPlugins = [
+  AlibabaPlugin,
+  AmazonBedrockPlugin,
+  AnthropicPlugin,
+  AzureCognitiveServicesPlugin,
+  AzurePlugin,
+  CerebrasPlugin,
+  CloudflareAIGatewayPlugin,
+  CloudflareWorkersAIPlugin,
+  CoherePlugin,
+  DeepInfraPlugin,
+  GatewayPlugin,
+  GithubCopilotPlugin,
+  GitLabPlugin,
+  GooglePlugin,
+  GoogleVertexAnthropicPlugin,
+  GoogleVertexPlugin,
+  GroqPlugin,
+  KiloPlugin,
+  LLMGatewayPlugin,
+  MistralPlugin,
+  NvidiaPlugin,
+  OpencodePlugin,
+  OpenAICompatiblePlugin,
+  OpenAIPlugin,
+  OpenRouterPlugin,
+  PerplexityPlugin,
+  SapAICorePlugin,
+  TogetherAIPlugin,
+  VercelPlugin,
+  VenicePlugin,
+  XAIPlugin,
+  ZenmuxPlugin,
+  DynamicProviderPlugin,
+]

packages/core/src/plugin/provider/kilo.ts

@@ -0,0 +1,16 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const KiloPlugin = PluginV2.define({
+  id: PluginV2.ID.make("kilo"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("kilo")) return
+        evt.provider.options.headers["HTTP-Referer"] = "https://opencode.ai/"
+        evt.provider.options.headers["X-Title"] = "opencode"
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/llmgateway.ts

@@ -0,0 +1,18 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const LLMGatewayPlugin = PluginV2.define({
+  id: PluginV2.ID.make("llmgateway"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("llmgateway")) return
+        if (evt.provider.enabled === false) return
+        evt.provider.options.headers["HTTP-Referer"] = "https://opencode.ai/"
+        evt.provider.options.headers["X-Title"] = "opencode"
+        evt.provider.options.headers["X-Source"] = "opencode"
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/mistral.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const MistralPlugin = PluginV2.define({
+  id: PluginV2.ID.make("mistral"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/mistral") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/mistral"))
+        evt.sdk = mod.createMistral(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/nvidia.ts

@@ -0,0 +1,16 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const NvidiaPlugin = PluginV2.define({
+  id: PluginV2.ID.make("nvidia"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("nvidia")) return
+        evt.provider.options.headers["HTTP-Referer"] = "https://opencode.ai/"
+        evt.provider.options.headers["X-Title"] = "opencode"
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/openai-compatible.ts

@@ -0,0 +1,17 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const OpenAICompatiblePlugin = PluginV2.define({
+  id: PluginV2.ID.make("openai-compatible"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.sdk) return
+        if (!evt.package.includes("@ai-sdk/openai-compatible")) return
+        if (evt.options.includeUsage !== false) evt.options.includeUsage = true
+        const mod = yield* Effect.promise(() => import("@ai-sdk/openai-compatible"))
+        evt.sdk = mod.createOpenAICompatible(evt.options as any)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/openai.ts

@@ -0,0 +1,27 @@
+import { Effect } from "effect"
+import { ModelV2 } from "../../model"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const OpenAIPlugin = PluginV2.define({
+  id: PluginV2.ID.make("openai"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/openai") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/openai"))
+        evt.sdk = mod.createOpenAI(evt.options)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.openai) return
+        evt.language = evt.sdk.responses(evt.model.apiID)
+      }),
+      "model.update": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.openai) return
+        // OpenAIPlugin sends OpenAI models through Responses; this alias is a
+        // chat-completions-only model, so remove it only from OpenAI's catalog.
+        if (evt.model.id === ModelV2.ID.make("gpt-5-chat-latest")) evt.cancel = true
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/opencode.ts

@@ -0,0 +1,27 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const OpencodePlugin = PluginV2.define({
+  id: PluginV2.ID.make("opencode"),
+  effect: Effect.gen(function* () {
+    let hasKey = false
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.opencode) return
+        hasKey = Boolean(
+            process.env.OPENCODE_API_KEY ||
+            evt.provider.env.some((item) => process.env[item]) ||
+            evt.provider.options.aisdk.provider.apiKey ||
+            (evt.provider.enabled && evt.provider.enabled.via === "auth"),
+        )
+        if (!hasKey) evt.provider.options.aisdk.provider.apiKey = "public"
+      }),
+      "model.update": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.opencode) return
+        if (hasKey) return
+        if (evt.model.cost.some((item) => item.input > 0)) evt.cancel = true
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/openrouter.ts

@@ -0,0 +1,29 @@
+import { Effect } from "effect"
+import { ModelV2 } from "../../model"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const OpenRouterPlugin = PluginV2.define({
+  id: PluginV2.ID.make("openrouter"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.openrouter) return
+        evt.provider.options.headers["HTTP-Referer"] = "https://opencode.ai/"
+        evt.provider.options.headers["X-Title"] = "opencode"
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@openrouter/ai-sdk-provider") return
+        const mod = yield* Effect.promise(() => import("@openrouter/ai-sdk-provider"))
+        evt.sdk = mod.createOpenRouter(evt.options)
+      }),
+      "model.update": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.openrouter) return
+        // These are OpenRouter-specific OpenAI chat aliases that do not work on
+        // the generic path. Keep custom providers with matching IDs untouched.
+        if (evt.model.id === ModelV2.ID.make("gpt-5-chat-latest")) evt.cancel = true
+        if (evt.model.id === ModelV2.ID.make("openai/gpt-5-chat")) evt.cancel = true
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/perplexity.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const PerplexityPlugin = PluginV2.define({
+  id: PluginV2.ID.make("perplexity"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/perplexity") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/perplexity"))
+        evt.sdk = mod.createPerplexity(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/sap-ai-core.ts

@@ -0,0 +1,40 @@
+import { Npm } from "../../npm"
+import { Effect, Option } from "effect"
+import { pathToFileURL } from "url"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const SapAICorePlugin = PluginV2.define({
+  id: PluginV2.ID.make("sap-ai-core"),
+  effect: Effect.gen(function* () {
+    const npm = yield* Npm.Service
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.make("sap-ai-core")) return
+        const serviceKey =
+          process.env.AICORE_SERVICE_KEY ??
+          (typeof evt.options.serviceKey === "string" ? evt.options.serviceKey : undefined)
+        if (serviceKey && !process.env.AICORE_SERVICE_KEY) process.env.AICORE_SERVICE_KEY = serviceKey
+
+        const installedPath = evt.package.startsWith("file://")
+          ? evt.package
+          : Option.getOrUndefined((yield* npm.add(evt.package).pipe(Effect.orDie)).entrypoint)
+        if (!installedPath) throw new Error(`Package ${evt.package} has no import entrypoint`)
+
+        const mod = yield* Effect.promise(async () => {
+          return (await import(
+            installedPath.startsWith("file://") ? installedPath : pathToFileURL(installedPath).href
+          )) as Record<string, (options: any) => any>
+        }).pipe(Effect.orDie)
+        const match = Object.keys(mod).find((name) => name.startsWith("create"))
+        if (!match) throw new Error(`Package ${evt.package} has no provider factory export`)
+
+        evt.sdk = mod[match](serviceKey ? { deploymentId: process.env.AICORE_DEPLOYMENT_ID, resourceGroup: process.env.AICORE_RESOURCE_GROUP } : {})
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.make("sap-ai-core")) return
+        evt.language = evt.sdk(evt.model.apiID)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/togetherai.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const TogetherAIPlugin = PluginV2.define({
+  id: PluginV2.ID.make("togetherai"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/togetherai") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/togetherai"))
+        evt.sdk = mod.createTogetherAI(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/venice.ts

@@ -0,0 +1,15 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+
+export const VenicePlugin = PluginV2.define({
+  id: PluginV2.ID.make("venice"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "venice-ai-sdk-provider") return
+        const mod = yield* Effect.promise(() => import("venice-ai-sdk-provider"))
+        evt.sdk = mod.createVenice(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/vercel.ts

@@ -0,0 +1,21 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const VercelPlugin = PluginV2.define({
+  id: PluginV2.ID.make("vercel"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("vercel")) return
+        evt.provider.options.headers["http-referer"] = "https://opencode.ai/"
+        evt.provider.options.headers["x-title"] = "opencode"
+      }),
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/vercel") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/vercel"))
+        evt.sdk = mod.createVercel(evt.options)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/xai.ts

@@ -0,0 +1,20 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const XAIPlugin = PluginV2.define({
+  id: PluginV2.ID.make("xai"),
+  effect: Effect.gen(function* () {
+    return {
+      "aisdk.sdk": Effect.fn(function* (evt) {
+        if (evt.package !== "@ai-sdk/xai") return
+        const mod = yield* Effect.promise(() => import("@ai-sdk/xai"))
+        evt.sdk = mod.createXai(evt.options)
+      }),
+      "aisdk.language": Effect.fn(function* (evt) {
+        if (evt.model.providerID !== ProviderV2.ID.make("xai")) return
+        evt.language = evt.sdk.responses(evt.model.apiID)
+      }),
+    }
+  }),
+})

packages/core/src/plugin/provider/zenmux.ts

@@ -0,0 +1,16 @@
+import { Effect } from "effect"
+import { PluginV2 } from "../../plugin"
+import { ProviderV2 } from "../../provider"
+
+export const ZenmuxPlugin = PluginV2.define({
+  id: PluginV2.ID.make("zenmux"),
+  effect: Effect.gen(function* () {
+    return {
+      "provider.update": Effect.fn(function* (evt) {
+        if (evt.provider.id !== ProviderV2.ID.make("zenmux")) return
+        evt.provider.options.headers["HTTP-Referer"] ??= "https://opencode.ai/"
+        evt.provider.options.headers["X-Title"] ??= "opencode"
+      }),
+    }
+  }),
+})