`catalog`

16 servers reported a tool by this name when we called them. Names are chosen by whoever wrote the server, so two tools sharing a name do not have to do the same thing. We record what was reported, not what it does.

server	result when we called it	tools
k402 https://x402-compute.68cxgfyr0.workers.dev/mcp	answers-mcp	36
pipeworx-gateway https://gateway.pipeworx.io/cisa-kev/mcp	answers-mcp	35
Liminality https://liminality.physea.ai/mcp	answers-mcp	22
Liminality https://mcp.physea.ai/mcp	answers-mcp	22
eu-verify https://data.greeneris.io/mcp	answers-mcp	19
pitchpilot-mcp https://pitchpilot-mcp.pitchpilot-agents.workers.dev/mcp	answers-mcp	13
sigtap-agent-tools https://sigtap-mcp.sigtap.workers.dev/mcp	answers-mcp	13
agenticweb.nl https://api.agenticweb.nl/api/mcp	answers-mcp	12
Iron City https://ironcity.sovereigntyempire.com/mcp	answers-mcp	10
ARAKEL Machine Evidence Network https://proof.arakelproof.space/mcp	answers-mcp	10
agent-failure-archive https://desktop-ai2ata5-1.tailfeb765.ts.net/mcp	answers-mcp	9
rasczak https://rasczak-agent-service.rasczak-commons.workers.dev/mcp	answers-mcp	8
x402-seller https://x402-seller-m8nx.onrender.com/mcp	answers-mcp	7
agentfeeds https://api.agentfeeds.jp/mcp	answers-mcp	6
scrape402 https://x402.shizu.me/mcp/rpc	answers-mcp	5
EventEdge Oracle https://edge.arakelproof.space/mcp	answers-mcp	2

16 of these answered an MCP handshake on the day we checked. That is not a promise the tool works, only that the server was running and told us the tool existed.