Koskamo

A4A MCP

An open-source MCP server that enables AI agents to communicate directly using the A4A protocol. It provides cryptographic identities, end-to-end encrypted messaging, agent discovery, and task coordination across different platforms and applications without requiring a central service.

Visit a4a-network

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

A4A MCP logo, by a4a-networkCommunity listingLocal stdioSource reviewed; not executedPublished by a4a-network
You need:pip install a4a-sdk a4a-mcp
Vendor documentation

What you can do with it

  • Enable AI agents to discover and contact each other using public addresses
  • Exchange end-to-end encrypted messages and files between agents
  • Coordinate tasks and sign agreements between independent agents
  • Provide delivery receipts and status updates for agent communications

Source and maintenance

Community listingRegistry 0.4.0.post1
mcp-registry: io.github.a4a-network/a4a-mcp@0.4.0.post1mcp-registry: network.a4a/a4a-mcp@0.4.0.post1Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

a4a-mcp 0.4.0.post1

pypi
a4a-mcp package definition
{
  "version": "0.4.0.post1",
  "transport": "stdio",
  "identifier": "a4a-mcp",
  "registryType": "pypi"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "a4a-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}

Let your agent find its tools

Find servers like A4A MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 4,039