"Read the Docs" matching MCP connectors:

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

Check AI work against requirements and return structured verdicts, findings, and repair steps.

Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.

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

Test the voice agents you run: scored transcripts, pass/fail verdicts, latency and WER metrics.

Read-only MCP server for the OPERANT AI operating-agent calibration benchmark.

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

Deterministic recipe verification engine — validates AI-generated recipes against master SOPs.

Read-only verifier for 25 ProofRelay MCP tools and non-confidential evidence bundles.

PQS scores any prompt before the model runs. 8 dimensions. 5 frameworks. Pre-flight, not post-hoc.

The world's first named AI prompt quality score. Score, optimize, and compare LLM prompts before they hit any model. Free tier available. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. x402-native on Base.

Benchmark-first release surface with a read-only MCP endpoint and operator CLI.

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

Drive OctoPerf load testing from any AI agent — import, edit, validate, run scenarios, read metrics. Hosted remote server, OAuth 2.1 (DCR + PKCE), no API key.

MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.

AI dev services paid per-use with USDC on Base (x402): code review, bug fix, tests, docs, audit.

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

Disposable email inboxes for AI agents — read messages and verification codes.

## Skill Catalog The library contains 42 public skills organized by Rails development concern. | Category | Examples | |----------|----------| | Planning | `create-prd`, `generate-tasks`, `plan-tickets` | | Testing | `plan-tests`, `write-tests`, `test-service`, `triage-bug` | | Code quality | `code-review`, `respond-to-review`, `security-check`, `refactor-code` | | Architecture and DDD | `define-domain-language`, `review-domain-boundaries`, `model-domain`, `review-architecture` | | Rails imple

MCP Spec Compliance MCP — audits any MCP server.json against the official Model Context Protocol