"How to create a SwiftUI app using MVVM architecture" matching MCP connectors:

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.

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

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.

Score any URL against a real design contract — 40 checks, A-F grade, token + motion validation.

Rule-based site audits: accessibility, SEO, security headers, performance. Metered per call.

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

Agentic code review, no signup to try: reality gates + frontier-model review, with veto.

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

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

Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.

Can an AI shopping agent find, understand and BUY on a store? Deterministic e-commerce audit /100.

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.

Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.

Hire a real human for real-world verification, product testing, AI output review, and errands.

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

Runs your code against a contract; returns HELD or BROKE at the exact input. Deterministic.