"A guide to SEO content and optimization strategies" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
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.
Generate synthetic random user data for testing, demos, and development without using real persona.
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.
Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.
Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
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
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
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.
Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence
Validate HTML/CSS, audit SEO and JSON-LD, check links, and capture responsive screenshots.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
Lint your robots.txt and see which AI crawlers it really blocks. Free, no key, nothing to install.
Hire a real human for real-world verification, product testing, AI output review, and errands.
Agentic code review, no signup to try: reality gates + frontier-model review, with veto.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
MERCATOR Verify: evidence-backed verification and decision support for autonomous agents.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
