# Known Good (knowngood.sh)

Searches an index of websites graded for how well AI agents can use them, via an MCP server and API.

- Atlas card: https://inite.ai/en/atlas/knowngood.sh
- Site: https://knowngood.sh
- For: developers connecting AI agents to search and check agent-ready websites
- Categories: marketing
- Use not measured/100 · alive 100/100

## Used for

- search for websites that AI agents can use
- check a page for WebMCP support
- read a site's agent-readiness test report

## Price

Not read yet.

## For developers

- OpenAPI: https://knowngood.sh/openapi.json (4 paths)
- API docs: https://knowngood.sh/api
- MCP server: sh.knowngood/knowngood (namespace; open on 2026-10-20, 3 tools)
- Read 2026-10-20

## MCP server, measured daily

Server: https://knowngood.sh/mcp, checked every day since 2026-10-20 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 267 ms
- Sign-in: none
- Context its tool definitions take: about 864 tokens (3 tools)
- Tool definitions: A, 94/100
- Failing "params_described": 1 of 3 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/knowngood.sh. JSON: https://inite.ai/api/atlas/knowngood.sh. MCP: https://inite.ai/api/mcp (atlas_lookup).