"An open-source relational database management system" 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.

Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.

Verify scraped data against the live source page. Signed verdicts, $0.01 via x402.

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

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

Generate realistic relational test data — 156 field types, 22 locales, JSON/CSV/SQL, free previews.

Machine-readable taxonomy of 100+ AI system failure modes spanning factuality, alignment, planning, code generation, and instruction following.

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

Scan URLs for WCAG 2.1 violations, generate AI fixes, and produce VPAT 2.5 compliance reports.

Pay-per-call MCP server. Vetted human experts review AI-generated content (text, images, video, audio, social posts), audit reasoning chains, run prepublish safety checks, and gate high-stakes actions for human approval. 7 paid tools at $1.00 each plus 4 free tools (list_offerings, list_expert_profiles, get_result, verify_certificate). Payment via x402, USDC on Base mainnet. Approved outputs receive an on-chain Taste content certificate downstream agents verify before consuming.

MCP server for static security analysis of Android source code

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).

Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.

Official MCP server for Qase — manage test cases, runs, suites, defects via AI tools.

WCAG-Compliance/wcagc-mcp lets an assistant run real axe-core accessibility scans through the user's own wcagc account, rather than guessing accessibility from markup it can see. Tools cover a single URL or PDF, a full-site crawl, saved multi-step journeys, and violation trends.

A paid remote MCP for AI SDK benchmark dashboard, built to return verdicts, receipts, usage logs, an

Paid remote MCP for spec driven development acceptance gate MCP, structured receipts, audit logs, an

An MCP server that provides access to Testiny projects, test cases and test runs

Compare two JSON files deeply without worrying about key or array order. Detect missing, extra, an…