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mcp/skillhub

Agent Callback Mailbox MCP Server

us.inversolabs/agent-callback-mailboxv0.1.54

Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.

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Maintained45d ago

Install Agent Callback Mailbox MCP server

Install in Claude Code

claude mcp add --transport http agent-callback-mailbox https://callbacks.inversolabs.us/mcp

Remote endpoints

  • streamable-httphttps://callbacks.inversolabs.us/mcp

Freshness

Maintained — last maintenance signal 45d ago. The newest of the signals below sets the band.

  1. Last commit (default branch)

    no data · GitHub

  2. Latest release

    no data · GitHub

  3. Package published

    no data · npm/PyPI

  4. Registry entry updated

    2026-08-26 · 45d ago · official registry · v0.1.54

FAQ

›How do I install the Agent Callback Mailbox MCP server in Claude Code?

Run: claude mcp add --transport http agent-callback-mailbox https://callbacks.inversolabs.us/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Agent Callback Mailbox require an API key?

No required environment variables are declared in its published metadata.

›Can I use Agent Callback Mailbox as a remote (hosted) MCP server?

Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.

›Is Agent Callback Mailbox in the official MCP registry?

Yes, as us.inversolabs/agent-callback-mailbox.