A2A Langchain Llm Orchestration Service

LLM Orchestration Agent (Cryptography) — a remote MCP + A2A agent on getvda.ai.

This service provides an A2A LangChain LLM orchestration agent specifically designed for cryptographic operations. It executes prompts through a LangChain (system + human) chain, leveraging Gemini on Vertex AI, with optional LangSmith tracing for detailed analysis.

Built for developers requiring secure and verifiable LLM interactions, this agent speaks open A2A and MCP protocols. It's metered via x402 micropayments for transparent usage, with discovery remaining entirely free.

Capabilities

Connect (streamable-http MCP)

{
  "mcpServers": {
    "llm-orchestration-agent-cryptography": {
      "url": "https://cryptography-langchain-core-mcp-a24088.getvda.ai/mcp",
      "transport": "streamable-http"
    }
  }
}

FAQ

How do I connect to this A2A LangChain LLM orchestration service?

You connect to the service using standard A2A and MCP protocols. Specific endpoint details and authentication methods will be provided upon discovery.

What is the pricing model for this service, and what are x402 micropayments?

The service is metered via x402 micropayments, meaning you pay only for what you use. Discovery of the service is free. Details on specific pricing units will be available through the A2A discovery mechanism.

Can I integrate my existing cryptographic keys or libraries with this agent?

The agent utilizes `cryptography` and `python-jose` internally. While direct integration of external keys depends on the specific A2A/MCP message format, the agent is designed to handle cryptographic inputs and outputs as defined by these protocols.

Is LangSmith tracing always enabled, or can I control it?

LangSmith tracing is an optional feature. You can control its activation based on your requirements for monitoring and debugging LLM chain executions.

Links

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cryptographylangchain-coremcpopentelemetry-sdkpython-jose