"API Documentation for Reference or Development" matching MCP connectors:

Generate synthetic random user data for testing, demos, and development without using real persona.

Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.

Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 145+ 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.

Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

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 — 40 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.

Deterministic motion compiler + validator: reports WCAG 2.2.2 pause-path candidates, fail-closed.

Post-scrape data cleaner, no LLM: repairs mojibake, HTML, invisible chars. Plus a verdict.

A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.

Preflight QA for AI-agent deliverables with structured verdicts and repair guidance.

Accessibility pre-checks (WCAG/BFSG) in a real browser + statement drafts. Pay per call.

Continuous website testing by Validoria — monitor security, SEO, performance, and accessibility.

Creative-intelligence MCP for campaign strategy, ad builds, QA, and reporting.

Find MCP servers and check whether they actually respond, via live handshake probes.

Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.

Read-only, deterministic AI triage and readiness tools implementing Sophon's published rubrics.

Estimated game fps for any GPU or Apple Silicon chip, with the limiter and tweaks.

Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts, replayable proof.