Agent Tools
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Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith tracing. Ideal for traced/observable LangChain pipelines, evaluating prompts, monitoring chain quality.

Transport
streamable-http
Auth
smithery_api_key
Cost

How to connect

MCP endpoint (streamable-http)
https://server.smithery.ai/a2a/llm-observability-orchestration/mcp
JSON-RPC initialize probe
curl -X POST https://server.smithery.ai/a2a/llm-observability-orchestration/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://langchain-core-langsmith-openai-8c02f9.getvda.ai
Listed at (smithery)
https://langchain-core-langsmith-openai-8c02f9.getvda.ai