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register all mcp tools with namespace (#17404)

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stacked on #17402.

MCP tools returned by `tool_search` (deferred tools) get registered in
our `ToolRegistry` with a different format than directly available
tools. this leads to two different ways of accessing MCP tools from our
tool catalog, only one of which works for each. fix this by registering
all MCP tools with the namespace format, since this info is already
available.

also, direct MCP tools are registered to responsesapi without a
namespace, while deferred MCP tools have a namespace. this means we can
receive MCP `FunctionCall`s in both formats from namespaces. fix this by
always registering MCP tools with namespace, regardless of deferral
status.

make code mode track `ToolName` provenance of tools so it can map the
literal JS function name string to the correct `ToolName` for
invocation, rather than supporting both in core.

this lets us unify to a single canonical `ToolName` representation for
each MCP tool and force everywhere to use that one, without supporting
fallbacks.
This commit is contained in:
sayan-oai
2026-04-15 21:02:59 +08:00
committed by GitHub
parent 9402347f34
commit 0df7e9a820
41 changed files with 1170 additions and 432 deletions
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22
codex-rs/core/tests/suite/truncation.rs
View File

@@ -331,7 +331,7 @@ async fn mcp_tool_call_output_exceeds_limit_truncated_for_model() -> Result<()>
let call_id = "rmcp-truncated";
let server_name = "rmcp";
let tool_name = format!("mcp__{server_name}__echo");
let namespace = format!("mcp__{server_name}__");
// Build a very large message to exceed 10KiB once serialized.
let large_msg = "long-message-with-newlines-".repeat(6000);
@@ -341,7 +341,12 @@ async fn mcp_tool_call_output_exceeds_limit_truncated_for_model() -> Result<()>
&server,
sse(vec![
responses::ev_response_created("resp-1"),
responses::ev_function_call(call_id, &tool_name, &args_json.to_string()),
responses::ev_function_call_with_namespace(
call_id,
&namespace,
"echo",
&args_json.to_string(),
),
responses::ev_completed("resp-1"),
]),
)
@@ -426,13 +431,13 @@ async fn mcp_image_output_preserves_image_and_no_text_summary() -> Result<()> {
let call_id = "rmcp-image-no-trunc";
let server_name = "rmcp";
let tool_name = format!("mcp__{server_name}__image");
let namespace = format!("mcp__{server_name}__");
mount_sse_once(
&server,
sse(vec![
ev_response_created("resp-1"),
ev_function_call(call_id, &tool_name, "{}"),
responses::ev_function_call_with_namespace(call_id, &namespace, "image", "{}"),
ev_completed("resp-1"),
]),
)
@@ -705,7 +710,7 @@ async fn mcp_tool_call_output_not_truncated_with_custom_limit() -> Result<()> {
let call_id = "rmcp-untruncated";
let server_name = "rmcp";
let tool_name = format!("mcp__{server_name}__echo");
let namespace = format!("mcp__{server_name}__");
let large_msg = "a".repeat(80_000);
let args_json = serde_json::json!({ "message": large_msg });
@@ -713,7 +718,12 @@ async fn mcp_tool_call_output_not_truncated_with_custom_limit() -> Result<()> {
&server,
sse(vec![
responses::ev_response_created("resp-1"),
responses::ev_function_call(call_id, &tool_name, &args_json.to_string()),
responses::ev_function_call_with_namespace(
call_id,
&namespace,
"echo",
&args_json.to_string(),
),
responses::ev_completed("resp-1"),
]),
)