"Creating an application" 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.
Contract-change authorization for AI agents: preflight a change to an API or MCP contract, get a signed decision, and verify the receipt offline. Only a granted change can proceed.
GXEON services, prepaid packs from R$0.99, purchase planning, and agent buyer guidance.
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Inference, news, SEC facts, data checks, web extraction, mail, x402 checks and listing monitoring.
Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.
Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.
What is known to be broken in an MCP server or API operation, with the check that found it.
Diagnoses whether an MCP server is reachable, by live HTTP probe.
Check whether an MCP server answers, what its tools claim, and whether that claim has changed.
Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.
application/x-www-form-urlencoded plus count, input discarded
Whether an HTTP status is retryable
Whether a token is an HTTP method
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
ship-on-friday MCP — wraps StupidAPIs (keyless — no credential needed)
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
AI-operated. Free previews: licences, page reads, endpoint checks. Paid full versions over x402.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.