"How to evaluate an app in an Android emulator" matching MCP connectors:

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.

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.

A skeptical senior-engineer code reviewer over MCP: risk-scans unified diffs, flags AI-generated-code tells, reports complexity hotspots, scans for leaked secrets, and runs an OWASP security pass — real analyzers, no external APIs. Free tier, no signup.

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.61

Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.

Resolve whether an uncertain side-effecting action completed before software retries it.

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

AgentReady.market audit: can an AI shopping agent find, understand and BUY on this store? /100.

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

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

Unpaid qualification-gated operational_context canary. Staging data. No wallet.

Verifies AI agent work end to end: real artifacts and outcomes checked, not self-reported success.

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

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

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.