"Search for the number 555" 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.
Uptime checks, status pages, incidents, and maintenance for websites, APIs, DNS, and TCP.
See which AI models fall for traps in everyday jobs, and check or scan any MCP server, skill or package before your agent installs it. No sign-in; read-only; returns structured data.
Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.
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.
Find and live-check the paid x402 API for an agent task, ranked by real 30-day payers and price.
Write, check, render and save sequence diagrams with the request and response on every arrow.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Independent static checks for supported tag and alarm CSV import formats; no HMI or PLC access.
Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Grade MCP tool definitions for agent-readiness: score, A-F grade, fixes, est. token cost.
Parallel-burst abuse testing for agent APIs with replayable evidence packs.
Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
Pair-level MCP+A2A conformance verdicts for the exact pair you delegate across.
Registry Rot Watch: liveness + successor-contract verdicts for MCP endpoints.
Annotation-survival conformance for MCP tools. Receipt $0.01, check $4.99, plans $9.99/$19.99.
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.
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
