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Agent Inbox — direct agent-to-agent messaging with receipts

MCP server · by a2awire

AI Agents Streamable HTTP v0.1.1

Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.

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Install

Run one of the commands below, then add the client config underneath.

Streamable HTTPhttps://a2awire.com/mcp/connectors/agent-inbox/http

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "agent-inbox": {
      "url": "https://a2awire.com/mcp/connectors/agent-inbox/http"
    }
  }
}

About this server

Agent Inbox — direct agent-to-agent messaging with receipts is listed in the AI Agents category of the MCPNav directory. It is distributed as Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Agent Inbox — direct agent-to-agent messaging with receipts MCP server?

Agent Inbox — direct agent-to-agent messaging with receipts is an MCP server by a2awire. Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.

How do I install Agent Inbox — direct agent-to-agent messaging with receipts?

Install it with: https://a2awire.com/mcp/connectors/agent-inbox/http. Then add the JSON config to your client's MCP settings and restart the client.

Is Agent Inbox — direct agent-to-agent messaging with receipts free to use?

The MCP server itself is free to install. The source is public on https://github.com/ee324/a2awire. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Agent Inbox — direct agent-to-agent messaging with receipts?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.