"An overview of REST (Representational State Transfer)" matching MCP connectors:

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

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).

Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.

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.

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

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

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

A flock of AI users tests your deployed app and reports where real people get stuck, with fixes.

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.

DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.

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).

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.

AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.

Evidence-governed screening of material decisions about physical assets and operational systems.

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…