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Ran 09 Feb 2026 05:55PM UTC

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Committed 09 Feb 2026 05:47PM UTC coverage: 61.379% (+0.02%) from 61.361%

Job # 21835073589.1

Build Type

push

github

Committed by

web-flow

Commit Message

chore(vMCP): Add tool call labels to vMCP telemetry metrics (#3687)

* Add MCP parsing middleware to vMCP and enrich backend metric labels

Wire mcp.ParsingMiddleware into the vMCP server middleware chain so the
telemetry middleware can label incoming request metrics with the actual
mcp_method (e.g. "tools/call", "initialize") instead of "unknown".

Add tool_name and prompt_name attributes to backend telemetry spans and
metrics for finer-grained observability on outgoing backend calls.

Add TestIntegration_TelemetryMiddleware covering incoming request
counters, backend call metrics, custom resource attributes, and
mcp_method label propagation.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Add mcp_resource_id label to telemetry middleware request metrics

Enrich the common metric attributes on toolhive_mcp_requests and
toolhive_mcp_request_duration with mcp_resource_id, which surfaces the
tool name (tools/call), resource URI (resources/read), or prompt name
(prompts/get) from the already-parsed MCP request context.

Update unit and integration tests to assert the new label, and extract
repeated string literals into constants to satisfy goconst.


---------

Co-authored-by: Cursor <cursoragent@cursor.com>

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