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MCP Server - Trace propagation #17152
Description
Use the _meta field in JSON-RPC messages for it. more on that in the OTEL MCP draft spec.
{
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"name": "get-weather",
"_meta": {
"traceparent": "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01",
"tracestate": "rojo=00f067aa0ba902b7,congo=t61rcWkgMzE"
}
},
"id": 1,
}
Activity
linear commentedon Jul 24, 2025
JS-768 MCP Server - Trace propagation
feat(core): Continue MCP server traces from params._meta