# Known Good

> Agentic search engine for AI agents: an index of websites verified usable by agents — every capability probed and tested live, tier 1–3 (declared · probe-verified · behaviourally verified), dated and citable. find_capability answers "who can do X"; get_site_report answers "is this specific host agent-ready", returning the dated evidence for one site. Nothing is hand-picked and placement cannot be bought: an automated probe decides. Human index of working MCP servers: https://knowngood.sh/mcp-servers

- **Domain**: `knowngood.sh`
- **Provider**: Known Good (https://knowngood.sh)
- **A2A protocol version**: 1.0
- **Kind**: a2a_agent
- **Live-responds (last probe)**: True
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 100%

## Skills
- **Check a site for WebMCP tools** — Check a website LIVE for WebMCP tools, and where a browser is available whether any tool actually registers when the page runs. Returns one of: registered, decl
- **Find agent-ready websites** — Find websites where an agent can accomplish a task. Returns probe-verified agent-readiness signals, unverified apparent actions read from page content, the veri
- **Fetch one site's verification report** — Fetch Known Good's dated verification report for one listed website: which capabilities were tested, which passed, when it was probed, what an agent can apparen

## URLs
- Agent card: https://knowngood.sh/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/knowngood.sh
- Documentation: https://knowngood.sh/api