Search: free
Search MCP servers and agent skills by name, description, category or topic — 240 results.
LamboPoewert/mcp-server-madeonsol
Real-time Solana memecoin intelligence — 51 tools across KOL wallet tracking (1,000+ wallets, sub-3s latency), Pump.fun deployer scoring (6,700+ scored), multi-KOL coordination signals, alpha-wallet intel (47k+ scored early buyers), first-touch scout signal (backtested ≥3 follow-on KOLs ~50% of the time vs 14% baseline), copy-trade rules, and the all-DEX trade firehose. Free tier 200 req/day; also
edithatogo/fyi-cli
Multi-jurisdiction Freedom of Information / Official Information request tracker (`fyi-mcp`) for Alaveteli platforms (FYI.org.nz, WhatDoTheyKnow, RightToKnow, and more). Local SQLite storage with tools for requests, authorities, correspondence, offline sync, and health checks. Official MCP Registry: `io.github.edithatogo/fyi-mcp`.
930m310n/geomelon-mcp
Cities, countries, regions, and languages with multilingual names (50 languages) and a free keyless autocomplete tool. Also runs a public hosted instance at `https://mcp.geomelon.dev/mcp`, no signup required.
pickelfintech/sentisift-sdks
Comment moderation and intelligence for any article: bot/spam detection, multilingual sentiment analysis, and Influence (constructive comment generation on paid tiers). Free tier: 1,000 comments, no credit card.
pgalyen1987/gate402-mcp
Pay-per-call agent APIs over x402 (USDC on Base): per-token LLM inference (Llama 3.1/Qwen/Mistral), per-second GPU/CPU compute, on-chain/DeFi + SEC-EDGAR + news data, and clean-Markdown/Cloudflare-stealth web scraping. Signed receipts, no signup — auto-claims a free-tier key. Install via `npx -y gate402-mcp`.
Crawlora-org/crawlora-mcp
Hosted MCP for structured public web data — 319 tools across search, maps, commerce, social, and finance, each returning clean JSON. Free 2,000 credits/mo.
divyanshu-iitian/SearchForge
Free capability-routed search and web reading for agents: GitHub, Crossref, Hacker News, Wikipedia, private SearXNG, and URL-to-Markdown, with live health diagnostics and no telemetry. Exposes `web_search`, `read_url`, and `search_status`.
infai-tech/vulnfeed-mcp
Dependency vulnerability scanner with EPSS exploit probability scoring. Scans lockfiles (npm, pip, Go, Cargo, Ruby, Composer, Gradle, NuGet, Mix), prioritizes by real-world exploit likelihood, recommends fix versions. 9 MCP tools for scanning, monitoring, and alerting. Free tier + x402 micropayments. `pip install vulnfeed-mcp`
AceDataCloud/MCPShortURL
Free URL shortening with batch support (up to 10 URLs), permanent `surl.id` short links, zero credit consumption.
micl2e2/code-to-tree
A single-binary MCP server that converts source code into AST, regardless of language.
decisionnode/DecisionNode
Record development decisions as structured JSON, embed as vectors via Gemini, and search semantically over MCP. Shared store across Claude Code, Cursor, Windsurf, and any MCP client. CLI + MCP server, local-only, free Gemini embedding tier.
danieldoderlein/llm-bus
Multi-agent coordination bus over MCP: atomic gap-free claims, advisory file leases, a shared event ledger, presence, prose handoffs, and a task graph, so multiple coding agents (Claude Code, Cursor, Codex) stop colliding and re-deriving each other's work. Remote Streamable HTTP; self-hostable (AGPL-3.0) or hosted at llm-bus.com.
tinqiao-oss/clawtouch-mcp
Physical USB HID keyboard/mouse control via a Raspberry Pi Pico 2 running open-source firmware. Exposes move, click, drag, type, key combos, and scroll as MCP tools for any MCP client. Genuine physical HID input on the standard driver path, with a `--mock` mode for hardware-free trials. `pip install clawtouch-mcp`
auspy/supasidebar-mcp
Access and organize your open browser tabs, bookmarks, and recently opened links across every macOS browser from your AI client. Powered by the free SupaSidebar app.
pranciskus/newsmcp
Real-time world news for AI agents — events clustered from hundreds of sources, classified by topic and geography, ranked by importance. Free, no API key. `npx -y @newsmcp/server`
Lex-API/lexapi-mcp
EU legal research over EUR-Lex — 10 tools for structured search, CELEX/URL document fetch, recent Official Journal publications, inbound/outbound citation graph, and semantic search over case law + legislation. FREE tier available; semantic tools require a paid plan. Install: `npx -y @lexapi/mcp`.
27dream/mcp-eastmoney
China A-share stock market MCP server — real-time quotes, main capital flow ranking, sector fund flow, and historical K-lines via Eastmoney's free APIs. Zero config, no API keys required. 5 tools: `get_stock_quote`, `search_stock`, `main_fund_rank`, `sector_fund_flow`, `get_kline`. Install: `uvx mcp-eastmoney` or `pip install mcp-eastmoney`.
tushariitr-19/patents-mcp
MCP server for patent search and prior art discovery powered by Google Patents public dataset on BigQuery. Tools: search patents, get full patent details with CPC codes and citations, fetch legal claims text. Free to use.
kc23go/anybrowse
Convert any URL to LLM-ready Markdown via real Chrome browsers. 3 tools: scrape, crawl, search. Free via MCP, pay-per-use via x402. Remote MCP endpoint: `https://anybrowse.dev/mcp`
RipperMercs/tensorfeed
Real-time AI industry intelligence MCP server. 6 free tools (AI news, service status, model pricing, today summary, agent activity, MCP registry snapshot) and 13 paid premium tools (routing recommendations, news search, history series, cost projection, provider deep-dive, model comparison, agents directory, what's new brief, MCP registry series, webhook watches with daily/weekly digest tier). Pay-
delmas41/gradusnotation
Render music notation (SVG + MusicXML + MIDI) from a JSON score, validate input, analyze MusicXML harmonically, and search a curated music-theory knowledge base. Free, no auth. `npx -y @gradusmusic/notation-mcp`
MyMedi-AI/mymedi-ai-mcp-server
Healthcare billing AI for agents: ICD-10/CPT/HCPCS code lookup (81,769 codes with RVU + OPPS pricing), prior auth prediction, medical NER, claims validation, denial-risk scoring, HIPAA compliance auditing, and NPI/drug enrichment. 20 tools, 10 free credits then pay-per-call via credits or anonymous USDC (x402). `npx @mymedi-ai/mcp-server`
manovagyanik1/clipy-mcp
Read your Clipy screen recordings from any agent: search your library, fetch timestamped transcripts, AI summaries, and key moments with video frames (click markers burned in) as inline images. Read-only, free API key. `npx -y @clipy/mcp`
echojobsio/jdl-mcp-server
Search 1M+ enriched job listings from 20,000+ companies. Filter by skills, salary, location, seniority, remote type, and more. Free — 500 calls/day, no signup required. Also available as a remote MCP server at `https://mcp.jobdatalake.com`.
honeylabshq/honeylabs-mcp
Honeypot threat intelligence for AI agents: 90 days of probe data from a sensor network for IP reputation, scanner classification, CVE probing trends, and JA4/JA4H/HASSH fingerprints. Remote MCP, free tier.
remoet-labs/remoet-mcp
Job search for AI agents. Search tech companies by their real tech stack, star the ones that fit, and pull jobs from your shortlist. Profile, applications, and digests over MCP. Free tier.
daedalusdevelopmentgroup/ddg-agent-payable-services
Pay-per-call x402 gateway: one MCP server for 90+ agent tools (utilities, DNS/WHOIS, blockchain RPC, market data, prediction markets, DEX data, security audits) plus an OpenAI-compatible LLM gateway. USDC on Base, free-trial calls per agent. `pip install ddg-agent-services-mcp` or remote `https://mcp.daedalusdevelopmentgroup.com/mcp`.
Rheopyrin/ox-mcp
Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.
ForeverTools/kiprio-mcp
Multi-purpose API toolkit: email validation, DNS lookup, WHOIS, SSL certificate inspection, IBAN validation, business day calculator, hash encoding, and GPU pricing. Free tier included. `pip install kiprio-mcp`
Nodeflare-app/nodeflare-mcp
Pay-per-request JSON-RPC on 23 EVM chains (Ethereum, Base, Arbitrum, plus young chains Robinhood Chain, Plasma, Ink, Zircuit) from independent bare-metal nodes. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call on Base/Polygon/Arbitrum. In the official MCP Registry. `npx -y nodeflare-mcp`
Nikolife2016/pulsefeed-x402
Trust & safety layer for x402 agent payments: before your agent pays an x402 endpoint, verify it is safe — liveness, scam/anomaly scan (payTo hijack, bait-and-switch, honeypot), and on-chain receiver verification. ~70% of x402 endpoints are dead or scams; only ~half of "healthy" listings work. Free /verify + an open Trust Score. `npx -y pulsefeed-x402-mcp`
FoundryNet/forge-mcp
Industrial AI infrastructure that connects any AI agent to industrial equipment: 14 protocols, 18 manufacturers, 30 tools, cross-OEM telemetry normalization, health index, and failure prediction. The first physical-world MCP server. Free tier available. ([Smithery](https://smithery.ai/server/@foundrynet/forge)) [. Scores AI-crawler access, JSON-LD structured data, title/meta, Open Graph, sitemap, and llms.txt, with a specific fix for each gap. Dependency-free, no API keys. Install: `npx -y github:epistemedeus/ai-readiness mcp`.
jamesdfinance-dev/lazaretto-mcp
Check whether anything you depend on is known malware, before an agent installs it. `check_lockfile` takes a package-lock.json, yarn.lock or pnpm-lock.yaml and matches every pinned version against published malicious-package advisories in one call, free and with no API key, catching compromised releases like chalk@5.6.1 while leaving their clean releases alone. `scan_artifact` adds deterministic b
corewebvitals/state-of-cwv-mcp
Free remote MCP for Core Web Vitals metrics by CMS, CDN, and framework (Chrome field data + multi-site crawl). No auth. Endpoint: `https://www.corewebvitals.io/api/state-of-cwv/mcp`.
bch1212/agentfetch-mcp
Token-budgeted web fetch for AI agents. Auto-routes between Trafilatura, Jina Reader, FireCrawl, and pypdf based on URL pattern. `estimate_tokens` before `fetch_url`, 6h Redis cache, server-side `max_tokens` truncation. Open source MCP server (MIT) plus hosted REST API at [agentfetch.dev](https://www.agentfetch.dev) — 500 free fetches/mo, no card.
HasanJahidul/localhost-mcp
Inspect, manage, and kill local dev servers. Lists what's listening on each port (pid, framework, project, uptime, memory, cpu), diagnoses port conflicts with free alternatives nearby, finds zombie processes, and kills by pid or port with a dry-run default.
Connectry-io/connectrylab-architect-cert-mcp
Free certification prep for the Claude Certified Architect exam. 390 scenario-based questions, guided capstone build, 30 concept handouts, 6 reference projects, practice exams, interactive UI with clickable answer cards, glassmorphism progress dashboard, spaced repetition, and deterministic grading.
Work90210/APIFold
Turn any REST API into a hosted MCP server. 18 free public servers (GitHub, Stripe, Slack, OpenAI, Notion, and more) — no setup required, bring your own API key.
2s-io/sdk
Unified API for AI agents — 180+ tools across geocoding, weather (NWS), climate stations (NOAA), earthquakes (USGS), tides (NOAA), points of interest (OpenStreetMap), patents (USPTO ODP), US case law (CourtListener / Free Law Project), Federal Register, Wikipedia, scientific papers (arXiv / PubMed / Semantic Scholar), AI summarize / translate / extract / screenshot / image-describe, image compress
User0856/snaprender-mcp
Screenshot API for AI agents — capture any website as PNG, JPEG, WebP, or PDF with device emulation, dark mode, ad blocking, and cookie banner removal. Free tier included.
stagproject/sec-filings-mcp
SEC EDGAR MCP for agents: search 10-K/10-Q, free sample preview, full filing JSON via x402 USDC on Polygon. xpay: `sec-edgar-filings`. Trial without xpay key: [docs](https://github.com/stagproject/sec-filings-mcp/blob/main/docs/TRY_WITHOUT_XPAY.md). Registry: `io.github.stagproject/sec-filings-mcp`.
tushariitr-19/immigration-mcp
MCP server for US immigration guidance — live Visa Bulletin, priority date checker and immigration term explanations. Free to use.
yubinkim444/ai-first-scraper-mcp
Three MCP tools for ad-free Markdown web scraping and search. `fetch_page` (URL → clean Markdown), `fetch_pages_batch` (up to 25 URLs in parallel), `search_web` (web search → top-k pages as Markdown). Works with Claude Desktop / Cursor / Cline. Install: `uvx ai-first-scraper-mcp`.
Chronolapse411/sicarius-guard
Solana token safety oracle for AI agents and trading bots. Byte-level SPL mint analysis, honeypot detection, freeze/mint authority checks, Birdeye market enrichment, and composite risk scoring. Deployed on Google Cloud Run.
Octodamus/octodamus-core
AI consensus market oracle for crypto traders and autonomous agents. 11-signal BUY/SELL/HOLD consensus (RSI, MACD, funding rate, L/S ratio, on-chain flow, Fear & Greed, congressional trading), Polymarket prediction market edges with EV scoring, Grok X crowd sentiment divergence. Ed25519-signed, on-chain verifiable. x402 micropayments at $0.01/call on Base, or 500 req/day free.
ThinAirTelematics/thinair-data
Connect any AI to PostgreSQL, MySQL, or SQL Server — 24 dialect-aware tools for query, schema introspection, optimization, migrations, PII scan, and more. Hosted MCP server with OAuth 2.0 + Bearer auth, free trial available.
tresor4k/macalc-mcp
The most comprehensive everyday calculator MCP server — 501 tools, 22 categories, 8 countries' tax systems (FR, BE, CH, CA, US, UK, MA, SN). Finance, health, math, science, construction, conversions, education, sport, cooking, travel & more. Free, no API key.