"How to use the eBay API to find recent sales prices" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Accessibility and WCAG data for your own websites: fix lists, live checks, and fix validation.
Author and validate Calaf workspace seeds against the app's real importer. No account needed.
Simulate, test, and analyze cloud architectures without deploying real infrastructure. Cloud World Model enables AI agents to model cloud environments, evaluate architecture behavior and costs, run failure and chaos simulations, and explore infrastructure scenarios across cloud providers.
Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Scan GitHub-hosted AI skills for vulnerabilities: prompt injection, malware, OWASP LLM Top 10.
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Lint your robots.txt and see which AI crawlers it really blocks. Free, no key, nothing to install.
Agentic code review, no signup to try: reality gates + frontier-model review, with veto.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
Deterministic motion compiler + validator: reports WCAG 2.2.2 pause-path candidates, fail-closed.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
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.
Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.
Kilotest leverages 10 rule engines to test web pages for front-end quality (accessibility, usability, and standards conformity) and report results with specifiable granularity.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
