Search: free
Search MCP servers and agent skills by name, description, category or topic — 240 results.
peterbeck111/knowledgelib-io
Search 1,500+ pre-verified, cited knowledge units across 16 domains. 6 tools: query, batch query, get unit, list domains, suggest topics, report issues. Confidence scores, source provenance, and freshness tracking. Free, no API key required.
proplineapi/propline-mcp
Live sports betting odds, cross-book +EV, and graded prop resolution (every Over/Under settled against real box scores) across 13 sportsbooks for MLB, NBA, NHL, NFL, soccer, and UFC. the-odds-api compatible; free tier, no card.
FayAndXan/spectrawl
Unified web layer for AI agents. Search (8 engines), stealth browse, cookie auth, and act on 24 platforms. 5,000 free searches/month via Gemini Grounded Search.
jonnybottles/patch-tuesday-mcp
Microsoft Patch Tuesday triage from the official MSRC Security Update Guide. Monthly rollups, CVE/KB lookups, supersedence chains, product watchlists, and urgency-ranked results enriched with EPSS scores and the CISA KEV catalog. No API keys; also available as a free hosted remote endpoint. `uvx patch-tuesday-mcp`
tadas-github/a2asearch-mcp
MCP server to search 4,800+ MCP servers, AI agents, CLI tools and agent skills. Install: `npx -y a2asearch-mcp`. Ask Claude: "Find MCP servers for database access". Free, no auth required.
AetherWave-Studio/aetherwave-mcp
One tool surface for music, image, video, and audio generation across Suno, Grok Imagine, Seedance, Kling, Hailuo, Wan, VEO, Ideogram, and GPT Image 2. Generate, edit, upscale, reframe, and master through one API key and one credit pool. First key includes free credits, no card required. `npx -y @aetherwave-studio/mcp`
GuruPDF/gurupdf-mcp
Convert, compress, merge, split, and OCR PDFs, plus convert between 100+ file formats (Word, Excel, PowerPoint, images, ebooks, video) from any AI agent. Backed by the GuruPDF API; free tier with daily credits, zero-config via `npx gurupdf-mcp`.
InnarM/blank-invoice-maker-mcp
Create free, no-signup invoices from your AI assistant. Returns a deep link that opens [Blank Invoice Maker](https://blankinvoicemaker.com) pre-filled — review and download a watermark-free PDF. Invoice data stays in the browser. `npx blank-invoice-maker-mcp`
FalsifyLab/falsifylab-alpha-mcp
9 MCP tools surfacing FalsifyLab public-market research data: DeFi yield farms (emissions-stripped APY), Hyperliquid vault leaderboard, SEC Form 4 insider buy clusters, material 8-K filings, macro tape (SPX/VIX/UST/DXY/GOLD/BTC/ETH), US spot crypto ETF flows, airdrop yield-gap detection, Polymarket whale positions, and confluence_today (cross-source signal alignment). Free tier requires no signup.
goodmeta/intelligence-mcp
Agent payments ecosystem intelligence. Scans GitHub, Hacker News, and npm for activity across AP2, ACP, x402, MPP, and UCP protocols. Returns scored opportunities with recommended actions. Free protocol comparison + paid scan via x402 USDC.
LightSpeedPlusOne/invovate-mcp-server
Generate PDF, JSON & UBL invoices in 11 languages (Arabic RTL, Japanese, Hindi, Cyrillic) from AI agents. Free tier, no key needed for JSON totals.
pythia-the-oracle/pythia-oracle-mcp
On-chain calculated crypto indicators (EMA, RSI, Bollinger Bands, Volatility) for 22 tokens via Chainlink oracle. 484 indicator feeds, 4 timeframes, free trial faucet.
archoor/painspotter-mcp
AI-analyzed startup & product opportunities mined from Reddit, Hacker News, Product Hunt & Stack Exchange. Query pain points, trending themes, and commercial scores (pain intensity, willingness-to-pay, build difficulty). Remote hosted MCP at painspotter.ai — free tier covers overview + opportunity detail; Pro unlocks search, trending themes & theme-level market signals.
goldmembrane/cleaner-code
AI code security scanner MCP server. Detects 9 categories of threats in AI-generated code (invisible Unicode, Trojan Source, homoglyphs, Glassworm steganography, rules file backdoors, dependency typosquatting, obfuscation) using static analysis plus CodeBERT deep learning. Runs locally, free tier.
zekebuilds-lab/captcha-mcp
L402 Lightning paywall + Hashcash proof-of-work gate for MCP tool calls. Free tier solves a PoW challenge; paid tier pays a Lightning invoice via self-hosted LNBits. No accounts, no API keys, no third-party SaaS. Drop-in middleware for any MCP server. `npx @powforge/captcha-mcp`.
mobileshop9991-star/clipwise-mcp
AI platform for short-form video creators (TikTok, Instagram Reels, YouTube Shorts, Facebook Reels). Three tools — viral TikTok trend search across 20+ countries, service info, and use-case scenarios for video analysis, competitor research, and content strategy. Install: `npx -y clipwise-mcp-server`. Free plan at tryclipwise.com.
forgemeshlabs/travel-agent-mcp
Free travel utilities plus live x402 travel intelligence: $0.01 Travel Pulse disruption and emergency-awareness checks, day trips, weekend getaways, creator experiences, weather-aware planning, mobility options, currency conversion, airport checks, and timing guidance.
george-kozlitin/borme-mcp
Spain's official company registry (BORME) for agents: 9.5M typed company events since 2009 — incorporations, director changes, insolvencies, capital moves across 52 event kinds. Free hosted endpoint: `https://mcp.bormeapi.com/mcp`.
sukrutkrdg/x402-bazaar-mcp
The Base token-safety toolkit for agents: the only B20 (Base-native token) freeze/seize/rug suite, plus pre-trade GO/HOLD/STOP gates, honeypot/sellability, wallet + approval audits, sign-guard, prices and Claude-written AI reports. 90+ pay-per-call tools over x402 (USDC on Base), free tier, no API keys. `npx x402-bazaar-mcp`
Pactlio-ai/pactlio-mcp
Contract tools for AI agents: statute-cited requirements per contract type × US state/country, non-compete enforceability for all 50 states + DC, intake schemas, async multi-agent contract drafting with free previews, and contract risk analysis. Anonymous remote server at www.pactlio.com/api/mcp, listed as a [hosted connector on Glama](https://glama.ai/mcp/connectors/com.pactlio/contracts).
Guitarmaniac24/getabrain-mcp-server
Query real, quality-scored humans as an agent tool. [GetABrain](https://getabrain.ai) routes a question to paid human workers and returns schema-validated JSON — 16 response types (yes/no, ratings, rankings, A/B tests, sentiment, image/video/audio review, voice/video/photo capture). Fully programmatic signup with a $5 free trial credit, no card required. `npx -y @getabrain/mcp-server`.
forgemeshlabs/x402-notary-mcp
Cryptographic receipts for AI outputs: notarize any model inference with a signed Ed25519 attestation, sha256 content hash, and Merkle chain-anchor on Base or Solana. $0.001 per call via x402 USDC micropayments; verification is free and needs no wallet. Notarizes the hash, never your prompts. `npx -y @forgemeshlabs/x402-notary-mcp`
realMNohgee/hermtica
AI agent social network and marketplace with native MCP server. 6 tools: browse_feed, search, get_trending, get_agent_profile, search_marketplace, get_marketplace_stats. Endpoint: hermtica.com/api/mcp. Free.
iFan6oy/flash-props-mcp
Live sports betting player props (NBA, MLB, NFL, NHL, NCAA, soccer) unified from real books over one REST API and a real MCP server. American odds, pre-game and live. Free tier, no card.
SEKeener/airtreks-mcp
Complex multi-city flight routing intelligence. 7 tools: plan round-the-world trips across 60+ carriers, validate Star Alliance and oneworld alliance routings, get segment-by-segment carrier recommendations, identify surface sector savings, and hand off to human consultants. No API key needed (100 req/day free). Remote endpoint: https://mcp.airtreks.com/mcp
luotwo/easyaccesspdf-mcp
PDF accessibility checks (veraPDF PDF/UA-1), auto-tagging remediation and document-to-Markdown conversion via a hosted EU service. Remote Streamable HTTP endpoint at easyaccesspdf.com, free tier available.
OSOJDJD/deeplook
Free company research agent — 10 data sources, structured reports with bull/bear verdict in ~10 seconds. Stocks, crypto, and private companies.
Mattbusel/Reddit-Options-Trader-ROT-
The first financial intelligence MCP server. Live AI-scored trading signals from Reddit, SEC filings, FDA approvals, Congressional trades, and 15+ sources. 7 tools, 2 resources, hosted remotely, free, no API key required.
aidevelopers2/remoteopenclaw-mcp
MCP server and CLI to search the Remote OpenClaw directory of 13,870+ MCP servers, 4,384+ agent skills, and plugins. Returns names, links, and install commands. Install: `claude mcp add remoteopenclaw -- npx -y remoteopenclaw`. CLI: `npx remoteopenclaw search `. Free, no API key.
Evan-Crx/permisapi-mcp
7 tools for French open-data building permits (Sitadel, 311k rows, ~2M permits/year, Etalab license). Search, details, DVF transactions cross-ref, real estate dealer opportunity score, PLU urban zoning, BRGM natural and technological risks, and a Vue 360 composite that fans out 6 sub-fetches in one tool call. Powered by [permisapi.fr](https://permisapi.fr). Plan Free covers basic search and detail
hypeprinter007-stack/signalfuse-mcp
11 tools for AI trading agents: fused crypto signals (10 assets), sentiment, macro regime, live strategy arena (4 strategies × 4 assets), fused web search (Brave + Tavily), and sandboxed code execution (E2B). Pay-per-call USDC on Base via x402. Free browser playground at [signalfuse.co/play](https://signalfuse.co/play) — 25 calls/day, no wallet. `npx -y signalfuse-mcp`
cg3-llc/prior_mcp
Shared knowledge base where AI agents exchange proven solutions — including failed approaches, so your agent skips the dead ends. Smaller models get instant access to frontier-model discoveries. Free to search indefinitely when feedback is provided on results. [Website](https://prior.cg3.io)
TimLukaHorstmann/mcp-weather
Accurate weather forecasts via the AccuWeather API (free tier available).
Backspace-me/sportscore-mcp
Live scores, standings, top scorers, player stats, and knockout brackets for football, basketball, cricket, and tennis. Free public API, no key required.
dohyung1/x402-fpl-api
Personalized Fantasy Premier League intelligence — scored captain picks, transfer suggestions, differentials, fixture outlook, price predictions, live points, and a full manager hub that auto-detects your bank balance, free transfers, and chips.
prufa-dev/prufa-mcp
Point your coding agent at a URL and get a real-browser QA audit: broken signup/login/checkout flows, JS console errors, missing analytics, consent + security headers, mobile tap targets, and accessibility — returned as machine-verified findings graded A–F. Free 60-second audit, no signup.
openpulsechain/mcp-server
PulseChain on-chain analytics: token safety scores (0-100), honeypot detection, whale tracking, smart money feed, scam alerts, DEX volume, bridge stats, holder leagues. 11 free + 9 pro tools. `npx @openpulsechain/mcp-server`
afshinator/mcp-server-pexels
An MCP server to search for (free) stock images and videos from pexels.com.
FileToPDF/filetopdf-mcp
Convert files (DOCX, XLSX, PPTX, images…), HTML, and Markdown to pixel-perfect PDFs via the FileToPDF API. Returns the PDF as an embedded resource or saves it to disk. Runs via `npx filetopdf-mcp` or a hosted Streamable HTTP endpoint; free API key in one click.
Alisammour/storyflo-mcp
Curated audio-news with a market-aware news signal. Search articles, fetch narrated audio, subscribe topic feeds, surface stories matched to actively traded Kalshi event contracts (CFTC-regulated; qualitative signal tags + link-out to Kalshi, never raw market data). 8 tools (7 free + 1 x402-paid over USDC on Base). Install via `npx -y storyflo-mcp`.
Autonomad1/autonomad-travel
AI travel agent over MCP — live flights, hotels, activities, and events worldwide, then completes the booking on autonomad.ai (free signup at checkout, first month of Premium included).
AEGISGOVDAO/aegisgov-sec-mcp
SEC EDGAR data for AI agents via the official data.sec.gov API. Search 10,000+ public companies, retrieve 10-K/10-Q/8-K filings, and access XBRL financial data. Free, no API key required, no third-party dependency.
sthan-io/mcp-server
US address verification, parsing, autocomplete, forward/reverse geocoding, and IP geolocation via sthan.io APIs. 8 tools, free tier available. `npx @sthan/mcp-server`
HughesCuit/heventure-search-mcp
Free MCP web search server with 5 engines (DuckDuckGo, Bing, Google SerpAPI, Tavily). No API key required. Auto rate limiting, 300s cache, multi-language support. Install: `uvx heventure-search-mcp`.
human-pages-ai/humanpages
Access real-world people who listed themselves to be hired by agents. Search by skill, location, and equipment, send job offers, post listings, and message workers. Free tier, Pro subscription, and x402 pay-per-use.
KyuRish/fiverr-mcp-server
Search Fiverr gigs, view seller profiles, compare pricing packages, and read reviews. No API key required.
ofershap/mcp-server-scraper
Web scraping — extract clean markdown, links, and metadata from any URL. Free Firecrawl alternative.
Woobox/hatchable-mcp
Build and host full-stack web apps and sites on Hatchable from any MCP client. DB, auth, storage, domains, and cron per project. Free tier.