"Free APIs and services without commercial fees" matching MCP servers:

Enables searching and retrieving Korean commercial registration precedents (617 cases) from the Supreme Court's portal for legal practice.

Public APIs Discovery for Humans & Agents

Enables users to calculate seller fees, net payouts, and break-even prices across Gumroad, Stripe, PayPal, and Etsy, and compare platforms for a given sale price.

Enables Claude to discover and invoke Brazilian government APIs (public, Serpro, and Conecta gov.br) through a catalog-driven gateway that searches a YAML catalog of 116 APIs, loads OpenAPI specs on demand, and calls endpoints with credentials resolved per entry. It provides five generic tools for search, listing, describing, calling, and checking credential readiness, keeping client context small instead of exposing one tool per endpoint.

Enables users to search and read verbatim passages from Terry Bouricius's book 'Democracy Without Politicians', honoring the author's request to display his actual words rather than AI summaries.

Enables AI assistants to search, read, and cite Title 38 of the Code of Federal Regulations from a locally built SQLite full-text index, using read-only tools for ranked regulation search, full section retrieval, hierarchy browsing, part listing, and index freshness/health checks. All queries run offline against the local index, returning ranked hits with citations, snippets, cross-references, and staleness notices.

MCP server for Crypto APIs Blockchain Fees product, providing fee recommendations and gas estimates for UTXO, EVM, and XRP blockchains.

An MCP server that gives AI coding agents real-time access to the public-apis dataset, enabling search, live probing, and code snippet generation for 1,500+ free public APIs.

Enables semantic search and discovery of free public APIs from an extensive catalog. Provides embedding-based search over API names and descriptions, plus detailed API information retrieval.

Enables AI assistants to read web pages as clean Markdown, build link previews and Open Graph share images, and extract structured data from job postings and resumes (including scoring a resume against a job). It also computes win probabilities and player rankings with Elo, Glicko-2, or OpenSkill across 1v1, team, and free-for-all formats.

Enables access to 11 free public APIs including weather, country info, NASA data, dictionary, and more, with zero configuration and no API keys required.

Enables querying eight keyless French and international public APIs for addresses, communes, holidays, school calendars, BODACC announcements, European VAT, and exchange rates through read-only MCP tools.

MCP server exposing all major Swiss official public APIs as native tools for any MCP-compatible AI agent.

A local-first, no-API-key MCP server that enables LLMs to search the web, fetch pages, and read documents using multiple engines and smart fallbacks.

A thin MCP server that wraps provenance-receipts and quality-gate services as tools, enabling AI agents to certify content origin and score quality via Ed25519-signed receipts.

MCP server providing official US economic data including CPI inflation, famous prices, national debt, and Treasury interest rates. Enables AI agents to query historical and latest economic statistics via natural language.

MCP server that exposes Avangenio's service status by fetching and parsing status.avangenio.com/data.txt into normalized JSON.

Enables interaction with Adobe Commerce Catalog Services to retrieve product variants, price overrides, category permissions, and environment details via MCP.

Enables keyless search and retrieval of millions of openly-licensed Creative Commons images and audio, with ready-to-paste attribution and license-awareness built into every result.

Enables deploying pre-built AI agent blueprints for RFx procurement and employee onboarding, with no signup or API key required.

Discover audio and LLM services, compare seven voices, and check prices for free. Generate speech, transcribe audio and request LLM text with optional capped USDC payments on Base; voice-cloning requirements are also available.

22 MCP tools for AI agents: crypto prices and trading signals (53 coins), stock prices and company financials, forex rates and conversion, and web scraping with AI summaries. All powered by x402 USDC micropayments on Base. $0.01-$0.25 per request.

Free and open-source MCP server for managing n8n workflows, executions, and tags via n8n's API. Enables workflow creation, activation, debugging, and deletion from any MCP client.

Enables free keyword research by pulling autocomplete suggestions, Google Trends, Bing search volume, Reddit threads, and competitor sitemaps, with volume estimation and keyword organization for use in Claude, Cursor, and other MCP clients.

Provides 13 offline SEO and marketing tools to any MCP client, covering ad metric calculators, text and heading analysis, keyword density, and generators for meta tags, Open Graph, hreflang, schema markup, XML sitemaps, and robots.txt. Everything runs locally with no account, API key, or network calls.

Enables natural-language spatial analysis of transmission lines and wildlife/public access lands using Claude, MCP, and DuckDB. Users can ask questions about intersections, distances, buffers, and other GIS operations without writing SQL.

Lets a volunteer view their own Planning Center serving schedule, team members and contacts, order of service, and song attachments, and add, remove or skip blockout dates. It authenticates with the user's Personal Access Token so it only exposes what they can already see in Planning Center.

MCP Server for Git operations, agent templates, and project utilities.

Enables free Spotify accounts to read Liked Songs, search the full catalog, and control playback across any Spotify Connect device such as Chromecast, TV, phone, or desktop without Premium.

Enables Claude to connect to Figma without a paid plan, offering auto-connect and 100+ tools for document manipulation, design system sync, and code-to-Figma conversion.