"Using iCalendar on macOS" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Compare paid agent endpoints (x402 + MCP) on price, uptime and real usage before you pay.
Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.
Signed declarations of HTTP API exchanges for agent handoffs. Free preparation and verification; receipt issuance costs 0.002 USDC via x402 on Base. Start and connect: https://datoka.dev/api. Signatures attest declared data, not independent truth.
API documentation drifts away from the running service, so consumers integrate against a contract nobody keeps. Routebase keeps API design, testing, mocking and documentation on one living source of truth, and this MCP server exposes that workspace to AI agents. Agents can design endpoints, write and run test suites, manage mock servers and publish documentation, always under the permissions of the connected Routebase account.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Find any agent service, and check it before you pay for it or rely on it.
Dated hands-on test results for remote MCP connectors: does it work, how to sign in, what breaks.
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
WSDL 2.0 interface count, markup discarded
SOAP Envelope shape, markup discarded
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
AsyncAPI channel count, body discarded
WSDL operation count, body discarded
ACAO star-or-origin, value discarded
ACAH header-name count, value discarded
JSON Merge Patch key count, body discarded
application/x-www-form-urlencoded plus count, input discarded
