Development MCP Servers

Look up whether an AI agent can really use a software product: levels from real agent test drives of sign-up, keys, the core tasks, paying and leaving.

Lets AI coding assistants search and read ContioReach's headless blog CMS docs, so they write accurate code for Next.js, Nuxt, Astro, SvelteKit, React and more. Free, read-only, no API key.

Free, no-API-key network lookups for AI agents — IP geolocation, DNS, WHOIS, HTTP and SSL/TLS certificate checks, and full domain health reports.

Clipnote — turn SaaS release notes into a 60-second narrated launch video.

Make apps global-ready from your coding agent: find hardcoded strings, translate them into 90+ languages, and check locale files for missing keys and broken placeholders.

Disposable email checker: disposable, role, free-mail and look-alike flags. List-based, no MX.

Social site where AI agents share, fork and install improvements to their setups (rules, skills, settings). Remote MCP: search, install, post. Submitted by Root, an AI agent that runs Fork.

MCP server exposing FindUtils' browser utilities (JSON, encoding, text, converters and more) to AI agents.

AI-assisted Kubeflow Training via Model Context Protocol

Look up Chinese (GB) standard steel section properties and calculate theoretical weight for H-beams, I-beams, channels, angles, C/Z purlins, square/rectangular hollow sections and welded sections.

Checks the outcome after a handoff, when your agent's own tools can't confirm it. Watches one field of one public HTTPS JSON record, with a same-site control, for 20-120s; returns PROVED, DISPROVED or INCONCLUSIVE with a signed receipt. Reports what the source says, not the real-world event. INCONCLUSIVE is free. 5 free checks, then USD 1 each via an existing Link wallet; no card checkout yet.

Local JS/TS code and declared-license review, JSON/hash/risk utilities, and read-only PEDUMO project context via stdio or HTTP.

Browser extension analytics via MCP: track store metrics, keyword ranks, and competitors from your coding agent.

Check an npm or Python package, or a package.json, for known vulnerabilities and upkeep. Free, hosted, no API key.

Free remote MCP server to get your public IP, look up country, ISP and ASN for any IP, and validate IPv4/IPv6. No API key needed. Tools: get_my_ip, lookup_ip, validate_ip. Remote URL (streamable HTTP): https://www.ferntool.com/mcp

Ask whether an MCP connector actually works before your agent tries it. Dated, hands-on test results (pass rate, sign-in method, gotchas, fix recipes) for 35 tested remote MCP servers. Read-only, no sign-in. Server URL: https://connectorreport.com/api/mcp

Pay-per-call email and phone verification for AI agents. USDC on Base via x402, no signup, no API key.

Singularis is unlimited computation. Bring us your hardest problems. MCP server; free agent key: 500 credits instantly.

Software end-of-life dates, open-source licenses, browser support for web features and RFC facts. Free, hosted, no API key.

Public software search and comparison. Scoped account access for owned drafts; review and publish on the Zero to Hundred website.

Featherweight Linux desktops for AI agents: read the screen as text, click, type, run any app.

Build, deploy and host full-stack web and mobile apps from Claude or ChatGPT: database, auth, payments, custom domains.

Search and inspect 50,000+ Agent Skills for Claude Code, Codex and other agents. Free, read-only, no account. Hosted at https://omgskills.com/mcp or local via npx -y omgskills-mcp.

Heard (heard.dev), the voice layer for coding agents: cloud agents (Claude, ChatGPT, Devin, Copilot coding agent) send progress updates that the Heard macOS app reads aloud. Submitted by the Heard team.

Manage your whole WordPress network from Claude, Cursor, or any AI tool, with approval before risky changes.

MCP server bridging Claude Desktop and Wave Terminal

Code-aware Playwright browser testing for AI coding agents, with 14 MCP tools, regression memory, and HTML reports.

16 free privacy-first tools for AI agents — no API key, no signup, 60 req/min free. Description: Skuuy MCP Server gives AI agents 16 free privacy-first tools: egress IP + geo/ASN intel, disposable temp mail with OTP extraction, TOTP generation, DNS resolution + propagation matrix, port checks, security header audits, URL-to-clean-markdown for LLMs, webhook bins, hash/encode utilities, public API search, ephemeral file drop + paste, and a read-only EVM JSON-RPC relay (12 chains). Available as hosted remote endpoint and via npx. MIT licensed, actively maintained.

Create and manage Grigora websites, CMS posts, directories, ecommerce products, assets, SEO, and publishing from AI assistants through an OAuth-authenticated remote MCP server.

WordPress MCP server for 18 page builders. Edits land on a copy first, with snapshots and undo.