Developer Tools MCP servers

Semantic search over Handsontable and HyperFormula docs, API reference, release notes, and issues.

Search and fetch AI agent skills, rules files and MCP servers indexed from GitHub.

Ask an agent why a PHP site is slow: every request with its SQL, HTTP calls, errors and N+1.

Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.

classifier.dev documentation as tools: list, read and search the reference, benchmark and guides.

Read-only catalogue of the Spark apps: what each one does, its stack, and where it runs.

What is known to be broken in an MCP server or API operation, with the check that found it.

Search the ByJG open source documentation: PHP, DevOps, Helm, JavaScript and AI projects.

Hosted Python sandbox for package runtime verification: pip install and usable-import evidence.

Regression checks for Japanese order automations: six free cases, strict JSON scoring and CI gates.

Find Power Apps PCF controls, read their docs, and validate pcfhub.json manifests.

MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.

Free tools: 2026 API shutdown scanner, small-business website auditor, photo resale estimator.

WordPress plugin release signals from public support threads, with evidence and explicit unknowns.

Search and read Empryo's documentation. Read-only, no auth, no local access.

Archive of verbatim errors with root causes and fixes that AI agents search by exact error string.

Translates a lockfile diff into a human-readable upgrade plan for npm, PyPI, and GitHub Actions.

Search pwa.directory, submit a progressive web app, and get a payment link a human pays.

Is this dependency current, licensed, deprecated, or already carrying a CVE?

AI product expert answering from live source code, with sources and a verification status.

49 free agent tools: WHOIS, PDF to text, email checks, FX rates, X12 EDI, JSON repair. No API key.

No-float UUM-8D Math Court. Integer courts and certified MCP. Floats refused.

Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.

Multi-LLM council: 25+ frontier models in parallel, consensus scoring, verdict-first code review.

AI agents need permission before production SQL writes. Pilot $100 · Gateway $299. Lint≠authorize.

Political Comms documentation MCP server: search docs, query the docs filesystem. No auth.

Search 41,000+ agent skills, MCP servers, plugins & loops — real install counts and stars.

Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.