"Git for Windows" 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.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Read-only MCP server for querying OkkMax measurements of AI API relay services, including model availability, observed prices, 24-hour uptime, latency, and model- and group-level purity evidence. No sign-in or API key is required.
Find the best pay-per-call API for any task: price, uptime and real usage across 19,000+ APIs.
SqueezeOS MCP for x402-paid USDC APIs on Base. Flagship read settle-proven 2026-11-02 (SELF-PROOF).
Uptime checks, status pages, incidents, and maintenance for websites, APIs, DNS, and TCP.
Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.
Independent static checks for supported tag and alarm CSV import formats; no HMI or PLC access.
Find and live-check the paid x402 API for an agent task, ranked by real 30-day payers and price.
Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.
Grade MCP tool definitions for agent-readiness: score, A-F grade, fixes, est. token cost.
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.
Parallel-burst abuse testing for agent APIs with replayable evidence packs.
Pair-level MCP+A2A conformance verdicts for the exact pair you delegate across.
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
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.
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.
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Gemmein docs, API reference, error explainers and a live integration check for coding agents.
Private channels for people and their AI agents.
Live road conditions for the agent web: check a site or API before acting, report after.
Email inboxes, webhook URLs, mock APIs and 170+ tools for coding agents over one MCP connection.
Email, webhooks, mocks and 170 tools for AI coding agents, over one MCP connection.
Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.
Score any remote MCP server for Claude, ChatGPT, Gemini and MCP Registry readiness.
MCP diagnostics that help AI agents find safe next steps for HTTP, API, and MCP failures.
Trickl for AI assistants: full docs, setup plans, and sandbox tools to test purchases end to end.
Web search API benchmark for AI agents: You.com, Tavily, Exa, Parallel. Results and charts.
Find any agent service, and check it before you pay for it or rely on it.
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.
ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack.
Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.
Sanctions API docs and request validation, with account-linked synthetic sandbox testing.
Webhook URLs for AI agents: receive, wait for, replay, sign and verify webhooks (Stripe, GitHub…).
