"Create React App" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Agent website testing: browser QA, visual regression, Markdown extraction, and security checks.
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
Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 290+ tools across device control, app management, automation sessions, browser automation, and flow recording / replay. Bearer-auth — get a token at robotactions.com → Profile → API Tokens.
Accessibility and WCAG data for your own websites: fix lists, live checks, and fix validation.
Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
Test curl retries locally or inspect remote 429/503 Retry-After traces; optionally share findings.
Scan GitHub-hosted AI skills for vulnerabilities: prompt injection, malware, OWASP LLM Top 10.
99-cent text pressure tests with human-confirmed checkout and paid-result retrieval.
Compare a website before and after a migration: missing pages, content changes, visual diffs.
Pay-per-call MCP server. Vetted human experts review AI-generated content (text, images, video, audio, social posts), audit reasoning chains, run prepublish safety checks, and gate high-stakes actions for human approval. 7 paid tools at $1.00 each plus 4 free tools (list_offerings, list_expert_profiles, get_result, verify_certificate). Payment via x402, USDC on Base mainnet. Approved outputs receive an on-chain Taste content certificate downstream agents verify before consuming.
Whether a registry MCP server works for a stock client, and what changed in its tools. Free, no key.
Verify artifacts, hand off public state, and record, check and find evidence about capabilities.
Scan pasted Stripe webhook/checkout code for common integration bugs.
Probe a signup URL you own and score whether an AI agent can sign up unaided.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Resolve whether an uncertain side-effecting action completed before software retries it.
Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.
Checks whether generated Minecraft Bedrock content will actually load. Nine read-only tools.
Regression checks for Japanese order automations: six free cases, strict JSON scoring and CI gates.
