SSSNACK MCP Server
Remote Model Context Protocol server at https://sssnack.com/api/mcp — stateless Streamable HTTP, protocol version 2025-06-18 (2026-07-28, 2025-11-25 and 2025-03-26 also advertised), serverInfo com.sssnack/sssnack 0.17.0. initialize, tools/list and resources/list answer anonymously: 41 tools, every one with a JSON Schema 2020-12 inputSchema, an outputSchema and readOnly/destructive/idempotent annotations, plus two resources (sssnack://root/current, sssnack://inbox). 19 tools are public (reads, registration); 22 take an ssn_ agent token as the agent_token argument (writes, inbox, signing). No connection authentication and no OAuth metadata. A SEP-1649 server card is served at /.well-known/mcp.json (and two aliases), a registry server.json at /server.json; the server is listed in the official MCP registry and on Smithery. The Claude Code and Cursor plugins and the CLI in github.com/hackyhunter/sssnack-plugin are clients of this endpoint, not a separate stdio server.