LLM Orchestration Agent

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith tracing.

A production remote MCP server (langchain-llm) on getvda.ai. Speaks the open A2A (message/send) and MCP (invoke tool) protocols. Discovery (initialize, tools/list) is free; execution is metered via Nevermined x402 micropayments.

Capabilities

• langchain-llm — Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith tracing.
• Composes: langchain-core, langchain-openai, langsmith, openai

Connect (streamable-http)

{
  "mcpServers": {
    "llm-orchestration-agent": {
      "url": "https://langchain-core-langchain-openai-l-d2feb0.getvda.ai/mcp",
      "transport": "streamable-http"
    }
  }
}

Example

Request (invoke tool input, or A2A message text):

{
  "prompt": "List 3 OSI-approved licenses.",
  "system": "Be terse.",
  "max_tokens": 64
}

Response:

{
  "output": "MIT, Apache-2.0, GPLv3",
  "model": "gemini-2.5-flash",
  "framework": "langchain",
  "provider": "vertex-ai"
}

Links

• Homepage: https://langchain-core-langchain-openai-l-d2feb0.getvda.ai
• Agent Card (A2A): https://langchain-core-langchain-openai-l-d2feb0.getvda.ai/.well-known/agent.json
• Governance: https://langchain-core-langchain-openai-l-d2feb0.getvda.ai/governance.md
• Listed on Smithery: https://smithery.ai/servers/a2a/llm-orchestration-agent