Pay-per-call agent tools over x402 (USDC on Base) — no signup or API key.
Free
3 servers across payments & billing, lifestyle & local and ai & agents. The largest is MimirAPI.
Payments & Billing · Lifestyle & Local · AI & Agents
3
servers published
3 categories
—
installs
across every listing
0
followers
told when a release lands
1 of 3
tool-list graded
graded from the tools they list, not from code
3 MCP servers. 3 of 3 are free to start.
Human Design & astrology engine: bodygraph, personal-sky SVG, today's sky. JPL ephemeris.
Free
Test the voice agents you run: scored transcripts, pass/fail verdicts, latency and WER metrics.
Free
Authentication
0 of 3 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
Support
Community publisher
Listed without a verification tick. Read the listing before installing.