Developer Tools MCP Servers

Search books and authors across Open Library, the Internet Archive open catalog.

Query any docs site via MCP. Submit a URL, ask questions, get cited answers.

SEFAZ ES: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Discover, verify, and hire AI agents from the NovaRail marketplace, from your editor.

Verified local-business leads: search any niche + city, query your library, export to your CRM.

Jinn gateway MCP — brand DNA, brand kits, design systems, and agency tools behind one bearer token.

Agent-native search engine with live web research optimized for AI agents.

Music studio: ABC notation composition and Strudel live coding with ext-apps UI.

Agent skill marketplace with 13,800+ MCP skills for AI agents.

Latest and historical ECB foreign-exchange reference rates for 30+ currencies, via Frankfurter.

Clean Markdown and AI-readability scoring for any URL. Built for AI agents.

Verified ICD-10-CM code lookup & validation for AI agents — official descriptions, not guesses.

Factual sky for AIs: ISS, auroras, archives. Never confuses unexplained with extraterrestrial.

Verified Polish open data for AI agents: debt, budget, 460 MPs, votings, judiciary search, RAG.

OpenFate Bazi MCP with True Solar Time, Four Pillars, Da Yun, and branch interactions.

PDF accessibility checks (veraPDF PDF/UA-1), auto-fix and Markdown conversion. EU-hosted.

Current time in any IANA time zone, plus the full time-zone list. Via timeapi.io.

Business-published entity records with confirmation dates: look up, page feeds, check claims.

Generate ranked business ideas from your skills and interests, then search and manage them via MCP.

AI visibility analytics for brand mentions, citations, sentiment, and GEO reports

Deploy a GitHub repo to a live HTTPS URL from your AI tool; read logs, set variables, resize apps.

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

Kraken crypto signals via x402: free preview + paid USDC-on-Base signals, regime & indicators

Send and schedule SMS and WhatsApp messages, manage contacts and templates, and track delivery.

Model Context Protocol server for Monnet — motions, plans, and approvals for MCP-compatible clients.

Wash-traffic risk checks for Algorand x402 endpoints before your agent trusts or pays them.

SEC Regulations MCP — US securities regulations (17 CFR).

MCP server for Environment & Nature

MCP server for Product Management

Read-only-by-default MCP server: let LLMs explore the Fediverse — Mastodon, Misskey, Pleroma.

Turn PRDs and product ideas into structured specs so coding agents build your intent, not theirs.

City of Abbotsford GIS — Abbotsford, BC (Canada) open geospatial data (ArcGIS).

Open-source SEO manager for coding agents: keyword research, content PRs, rank + Search Console.

Live health and AI-readable metadata of invokera.com. Demo of an Invokera-hosted MCP server.

Made-to-order data for AI agents: company intel, B2B contacts, scraping. Pay per call via x402.

MCP server for Certta — Brazilian KYC/KYB: biometrics, OCR, ICP-Brasil e-signature, onboarding

Live Ethereum and L2 gas fees for AI agents: current gas, cheapest L2, ETH price, cost estimates.

Web page citations as RIS or BibTeX, plus the route to capture sources a server cannot read.

Ship, discover and review vibe-coded projects on Shipyard, the invite-only feed for AI-built apps.

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

Travel eSIM catalog: search plans, check availability, and get exact quotes with checkout links.

Model Context Protocol server for Parseable. Lets LLMs discover and query Parseable.

Virtual try-on and on-model AI fashion photography: catalog search, try-on grids, HD delivery.

Automate 1,000+ services from any MCP-compatible AI agent: build Applets, run actions and queries.

Seo Checker Ai MCP Server by MEOK AI Labs

SEFAZ GO DEC: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred

Open-source MCP gateway for SuiteCRM - 24 CRM tools, OAuth2/OIDC auth, multi-entity, observability.