A2A Authenticated Llm Service

Authenticated MCP Traced Agent — a remote MCP + A2A agent on getvda.ai.

The Authenticated MCP Traced Agent provides a robust and secure A2A authenticated LLM service. It acts as a JWT-gated gateway, ensuring only authorized requests can access LangChain-on-Vertex Gemini completions. This agent speaks open A2A and MCP protocols, facilitating seamless integration with your existing systems.

Designed for developers and organizations requiring secure, auditable, and metered access to advanced LLM capabilities, this agent offers discovery free access with all completions metered via x402 micropayments. It's the ideal solution for building secure, AI-powered applications.

Capabilities

Connect (streamable-http MCP)

{
  "mcpServers": {
    "authenticated-mcp-traced-agent": {
      "url": "https://bcrypt-cryptography-langchain-cor-027cf2.getvda.ai/mcp",
      "transport": "streamable-http"
    }
  }
}

FAQ

How do I authenticate my requests to the A2A authenticated LLM service?

Requests are authenticated using JSON Web Tokens (JWTs). You'll need to obtain a valid JWT and include it in your request headers. Unauthenticated calls will be rejected.

What LLM is used for completions, and what framework powers it?

The agent leverages Google's Gemini LLM, with completions orchestrated via the LangChain framework running on Vertex AI.

How is usage of this service priced and metered?

Discovery of the service is free. All LLM completions are metered and charged using x402 micropayments, ensuring a transparent and granular billing model.

What protocols does the agent support for integration?

The agent speaks open A2A and MCP (Managed Cloud Protocol), allowing for straightforward integration with systems that adhere to these standards.

Links

Agent home · A2A Agent Card · Smithery · Glama · All agents

bcryptcryptographylangchain-coremcpopentelemetry-sdkpython-jose