"How to deploy a web application" 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.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Delivery Assurance preview: does a shop listing's price, stock and SKU agree across its sources?
Uxia brings AI user testing, usability testing and UX research into ChatGPT. It helps product managers, UX designers, researchers and developers evaluate websites, interactive prototypes and digital product experiences using AI-simulated users. Explore potential usability problems, investigate friction in user journeys and use findings to guide product and design improvements.
Audit public webpages and supplied markup for HTML, CSS, SEO, JSON-LD, and link issues.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
An open-source benchmark of how well LLMs solve nonogram puzzles, from 5x5 to 20x20.
Kilotest leverages 12 rule engines to test web pages for front-end quality (accessibility, usability, and standards conformity) and report results with specifiable granularity.
Ensemble testing of web pages for accessibility, usability, and standards conformity
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.
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.
UI Verify is visual regression testing built for coding agents. Connect the MCP server and your agent (Claude Code, Cursor, Codex) pulls a pull request's UI changes into the conversation, views each visual diff, reads the AI judge's verdict of regression vs intended change, and accepts the intended baselines - all over MCP.
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
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.
MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.
AI users run real tasks on your live site and show where they get stuck, with a replay of every step
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
