{"id":"io-github-gammathreetrading-fixsim","name":"io.github.GammaThreeTrading/fixsim","title":"FIXSIM","description":"Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.","category":"ecommerce","categories":["ecommerce","communication"],"flags":[],"users_30d":0,"health":{"status":"ok","latency_ms":688,"tool_count":21,"auth":"none","checked_at":"2026-10-16T05:00:29.624Z"},"remote":true,"pending":false,"install_link":"https://toolfindr.dev/add?server=io.github.GammaThreeTrading%2Ffixsim&ref=tool-finder","details_url":"https://toolfindr.dev/servers/io-github-gammathreetrading-fixsim","health_error":null,"repo_url":"https://github.com/GammaThreeTrading/fixsim-mcp","website_url":"https://www.fixsim.com/sandbox","version":"0.1.2","remotes":[{"type":"streamable-http","url":"https://mcp.fixsim.com/mcp","headers":[{"description":"Optional. Your FIXSIM API key (portal.fixsim.com, API Keys). Leave blank to use only the free sandbox tools.","isSecret":true,"name":"x-api-key"}]}]}