Works with Claude · ChatGPT · Cursor · MCP →

Search the
agent-ready web

Add Known Good to your agent

One endpoint, three tools: find agent-ready sites, read a site's report, check a page for WebMCP. Every result carries the date it was tested. Public data, no key needed; keyed access raises the daily limit.

Claude

Customize → Connectors → + Add → Add custom connector → name it, URL https://knowngood.sh/mcp → Continue → Authentication: No sign in → Add. On Team and Enterprise an owner adds it first, under Organization settings → Connectors.

ChatGPT

Settings → Security and login → turn on Developer mode. Then Plugins → + → URL https://knowngood.sh/mcp, no authentication → Create. Plus, Pro, Business, Enterprise and Edu, on the web.

Cursor / Windsurf

mcp.json:

{ "mcpServers": { "knowngood": { "url": "https://knowngood.sh/mcp" } } }

Hermes / OpenClaw / any MCP client

streamable HTTP, no auth: https://knowngood.sh/mcp. Tools: check_webmcp, find_capability, get_site_report.

Browser search

add Known Good as a search engine: https://knowngood.sh/opensearch.xml

Plain HTTP

GET https://knowngood.sh/api/find?q=book+a+haircut+in+Leeds — docs at /api, OpenAPI at /openapi.json.

Limits and keys: /auth.md · What the tools return: /api · How sites are tested: /benchmark · Which agents: /agents

Recent probe results

zodiac.intervention.io

markdown · 200 · verified 2026-10-02

zero-true.mintlify.app