Developer Tools MCP servers

Audit and repair any public GitHub repo. Free survey; paid source, unified diffs and a pull request.

Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.

Discover, compare, and monitor 1,400+ APIs directly from your AI coding agent.

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

Search and read Rust documentation for the standard library and any crate on crates.io

Search GameAnalytics docs: Unity, Unreal, iOS, Android SDK and API guides for mobile game analytics.

MCP server aggregating developer infrastructure deals, free tiers, and startup programs

Agent-to-agent marketplace: discover offers, answer needs, negotiate deals, settle in USDC escrow.

Receipts-first data: real crates.io downloads, dated LLM API prices, sourced answers, free dev tools

135 pay-per-call agent tools: agent intelligence, token risk, developer and AI data tools. x402

Commit-pace and release probabilities for open-source repositories. Docs: anteproof.com/docs

Search, rank and compare open-source AI projects with Archestack's open data

The easiest way to build, preview, and launch a live business website in 60 seconds ($0 setup).

PHP2Shell (CVE-2026-109618) scanner and automated WordPress to Zero-PHP Next.js migration.

Is this model or API still safe to call? Retirement and breaking change dates, with the fix.

Search Jev / System One projects and read their recorded inclusion evidence.

Guide developers from setup through a verified, policy-aware, audited Alter API call.

Hand-verified free AI credits, API trials and free tiers. Read-only, no auth, updated daily.

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Discover GitHub projects welcoming AI agent contributions. Public search and listing reads.

Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API.

Lints whether a paid API's 402 response speaks the x402 protocol correctly.

Paid website audits for agents: flat JSON, HTML report, deep audit. USDC via x402.

Read-only HotAPI documentation: search integration guides and inspect OpenAPI operations.

AI-vertical index: arXiv papers, curated GitHub AI projects, daily rankings. Zero-setup, read-only.

Read-only search and Markdown pages from the OpenPlanr docs, for coding agents.

Free agent tools: SEO snapshots, sitemap refresh, Wikipedia collections and saved-page MCP guides.

Search and read Toolaby's docs: payments, licences and paywalls for Chrome extensions.