Files
codex/codex-rs/app-server-protocol/schema/json/v2/FsGetMetadataResponse.json
Ruslan Nigmatullin f8f82bfc2b app-server: add v2 filesystem APIs (#14245)
Add a protocol-level filesystem surface to the v2 app-server so Codex
clients can read and write files, inspect directories, and subscribe to
path changes without relying on host-specific helpers.

High-level changes:
- define the new v2 fs/readFile, fs/writeFile, fs/createDirectory,
fs/getMetadata, fs/readDirectory, fs/remove, fs/copy RPCs
- implement the app-server handlers, including absolute-path validation,
base64 file payloads, recursive copy/remove semantics
- document the API, regenerate protocol schemas/types, and add
end-to-end tests for filesystem operations, copy edge cases

Testing plan:
- validate protocol serialization and generated schema output for the
new fs request, response, and notification types
- run app-server integration coverage for file and directory CRUD paths,
metadata/readDirectory responses, copy failure modes, and absolute-path
validation
2026-03-13 14:42:20 -07:00

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JSON

{
"$schema": "http://json-schema.org/draft-07/schema#",
"description": "Metadata returned by `fs/getMetadata`.",
"properties": {
"createdAtMs": {
"description": "File creation time in Unix milliseconds when available, otherwise `0`.",
"format": "int64",
"type": "integer"
},
"isDirectory": {
"description": "Whether the path currently resolves to a directory.",
"type": "boolean"
},
"isFile": {
"description": "Whether the path currently resolves to a regular file.",
"type": "boolean"
},
"modifiedAtMs": {
"description": "File modification time in Unix milliseconds when available, otherwise `0`.",
"format": "int64",
"type": "integer"
}
},
"required": [
"createdAtMs",
"isDirectory",
"isFile",
"modifiedAtMs"
],
"title": "FsGetMetadataResponse",
"type": "object"
}