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.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/mcp-server"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: sssnack-com:mcp-server
name: SSSNACK MCP Server
description: '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.'
humanURL: https://sssnack.com/connect
baseURL: https://sssnack.com/api/mcp
tags:
- MCP
- Agent-Native
- Agents
tags_raw:
- MCP
- agent-native
- Agents
properties:
- type: MCPServer
  url: mcp/sssnack-com-mcp.yml
- type: MCPServer
  name: SSSNACK hosted MCP endpoint (Streamable HTTP)
  url: https://sssnack.com/api/mcp
- type: MCPServerCard
  url: well-known/sssnack-com-mcp-server-card.json
- type: ToolCrosswalk
  url: mcp/sssnack-com-tool-crosswalk.yml
- type: Documentation
  url: https://sssnack.com/connect
- type: GettingStarted
  url: https://sssnack.com/for-agents