Browse all Model Context Protocol servers with quality scores, stars, languages and maintenance activity.
The MCP server behind [Constat](https://constat.dev): FDA & NHTSA regulatory-risk intelligence for agents — device compliance risk by 3-letter product code, parsed 510(k) premarket evidence with verbatim source quotes, predicate chains, postmarket drift signals, clearance-to-payment reimbursement pathways (NTAP/CPT/CMS), and NHTSA vehicle safety. 14 tools. Decision support, not regulatory advice.
Fetch any web page's HTML (or AI-parsed JSON, or Google results) through the ScrapeUnblocker anti-bot API (Cloudflare, DataDome, PerimeterX, Akamai, Shape), using your own API key. Three tools: `fetch_html`, `fetch_parsed`, `google_search`. Install: `npx -y scrapeunblocker-mcp`.
Governed Nutanix Prism Central v4 operations — cluster, VM (AHV + ESXi), storage, networking, snapshot/DR, alerts, and LCM (51 tools) with unbypassable audit logging (MCP + CLI), budget/runaway guards, dry-run, and undo/rollback.
Manage a 5dive agent fleet from any MCP client: file tasks, message and inspect agents, and read the fleet digest. Thin adapter over the 5dive CLI.
Native Gmail MCP server with full mailbox control — search, read, label, archive, trash, download attachments, and the feature no other Gmail server ships: snooze threads until a date. Every call hits the live Gmail API (no synced index that silently misses mail). Install with `npx -y mailwarden`.
Pair two AI coding agents on different machines over an end-to-end-encrypted channel: files and messages travel through a relay that only ever sees ciphertext - it can never read your data - authenticated by a short code shared out-of-band, with human consent before any file is written. Install with `npx covalent-bond`.
WhatsApp notifications for AI agents with zero setup — no Meta account, no templates, no dashboard: text "join", get an API key, send in 60 seconds (`uvx pingwa mcp` or remote at pingwa.dev/mcp). Two-way: `ask` with tap-to-answer buttons, `check_replies`. Official Meta Cloud API — won't ban your number.
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.
Disposable email inboxes for AI agents — OTPs and magic links auto-extracted from verification emails. Test signups and auth flows, no signup needed.
Inspect and operate Redis-backed job queues (Asynq and BullMQ): per-state counts, job detail with decoded payload and last error, and faithful retry/delete running each library's own scripts. Read-only mode for production.
Reduced-motion / WCAG 2.2.2+2.3.3 verification for web animation: agents author validated specs; a deterministic compiler emits reduced-motion-safe, on-budget CSS. Keyless hosted endpoint (motion_catalog, motion_validate).
Native stdio bridge for the hosted Delx Protocol MCP endpoint, with one-command client install, doctor checks and live tool discovery.
Design-fidelity checks for AI agents: compare a Figma frame (or any design screenshot) against the rendered implementation and get structured discrepancies with CSS properties and severity. Resolves a natural-language component description to a URL + selector in your codebase, screenshots it with Playwright, and compares via vision AI using your existing Claude Code or Codex subscription — no API
Deterministic slop detector for AI-generated prose. Flags filler phrases and clichés with zero false positives by design (curated phrase list, not a model), returns exact spans plus a pinnable 0-1 score, and runs offline with no API key. CLI + CI exit code + MCP server for agents to self-check their own output before it lands in a PR or doc. `pip install defluff`
Operator leaderboard measuring users, not models — ranks AI coding operators by token cascade efficiency (Yield = Cache Reads × Output / Input²). 15 MCP tools: rank, pull, submit (ed25519-signed), diagnose, simulate. Privacy-first: only token counts leave the machine. `npx sigrank`
MCP server for [quelllm.fr](https://quelllm.fr) — open-weights LLM catalog (250+ models with params, VRAM by quantization, tokens/sec, license). Tools: `list_models`, `get_model`, `compare`, `estimate_vram`, `estimate_cost` (API providers vs self-hosted hardware in EUR), `search_models`. Useful when picking a local model that fits your GPU/Mac.
Schema-first PDF→JSON MCP for AI agents (0xPdf API). Define a JSON schema, parse invoices/forms (OCR optional), manage schemas, and poll async jobs. `uvx oxpdf-mcp` · [docs](https://0xpdf.io/docs#mcp) · [playground](https://0xpdf.io/samples)
Convert PDF ⇄ Word, Excel, PowerPoint, JPG, HTML, Markdown, EPUB and PDF/A, plus merge, split, compress, watermark, sign, and protect PDFs, and convert images (HEIC, WebP) — 35+ tools from convertica.net. Zero-config via `npx convertica-mcp`.
Deploy files from AI agents to your own FTP/FTPS/SFTP servers — multi-server config, recursive deploy with dry-run and gitignore-like excludes, per-server path jail and read-only mode, FileZilla import, one-command setup for popular MCP clients.
Agentic payments on Solana: let an agent discover x402-priced endpoints, pay HTTP 402 paywalls in USDC, manage pre-paid balances and subscriptions, and buy datasets or settle store checkouts — 15 tools behind fail-closed spending caps ($1 per payment, $10 per day by default). Non-custodial: payments lock in a program-owned escrow and release 99% to the creator. Listed on the official MCP registry
Unofficial, community MCP for the Capital.com Open API: safe, guarded trading and market data. Two-phase trades (preview → confirm → execute), allowlists, demo-first. Install with `uvx capitalcom-mcp`.
Non-custodial crypto swap over MCP: Solana (Jupiter) + 7 EVM chains (KyberSwap), universal cross-chain router, Solana priority-fee oracle, and Hyperliquid perps. Returns unsigned transactions for your own wallet to sign — no API key, no KYC. Remote at https://swaptitan.net/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`
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.
Canadian adjusted cost base (ACB) and capital gains from a trade history: average-cost tracking, per-disposition realized gains, and superficial-loss detection. Pure Python, runs locally, a calculation aid (not tax advice). `pip install acb-tax-mcp`.
Cross-chain OTC trading via sealed-bid RFQ + HTLC atomic settlement. Six tools for AI agents to swap ETH, BTC, and SUI without bridges, custodians, or information leakage. Hosted at `hashlock.markets/mcp` or local stdio via `@hashlock-tech/mcp`.
Read-only Solana transaction preflight and agent media tools: live priority fees, simulation, failure diagnosis, token-risk evidence, PDF-to-Markdown, and audio normalization. No API key; remote MCP calls use x402 USDC on Solana ($0.002–$0.01/call). Install via `npx -y utilia-solana-agent@0.5.7` or use remote MCP at `https://api.utilia.ink/mcp`.
Vertical quote-to-cash agent for service businesses (machine shops, contractors, HVAC). Drive jobs, quotes, customer memory, pricing signal, follow-ups, and confirmed sends from Claude Code, Claude.ai, ChatGPT, or any MCP-aware agent. 25 tools, 6 resources, 8 prompts. `npx -y @setell/mcp`.
Read-only Hyperliquid / HyperEVM: every way to earn on HYPE in one table — liquid staking, lending with utilisation and max LTV, LP pools, and the HLP vault — with yield a pool earns separated from yield paid in emitted tokens. Also protocol TVL, fees actually paid, perp and spot markets, funding history, and order-book depth with a straight answer when a size will not fill. Where a source publish
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)) [. Hybrid recall (BM25 + vector + Neo4j graph hops with cross-encoder rerank), typed relations, and bi-temporal store across sessions via MCP. Works with Claude, ChatGPT, and Cursor. `npx -y knowmind mcp`
Turkish legislation live from the official source (mevzuat.gov.tr): current article text by law and article number, with verification links. Install: `uvx turk-hukuku-mevzuat-mcp`.
Verify a US contractor's license, surety bond, and insurance from official state data (WA L&I live, CA CSLB beta). Agent-payable pay-per-success, MCP-native.
Query 2,400 castles, fortresses and palaces across 131 countries (coordinates, founding dates, fame ranking, Wikipedia summaries) from the open CC0 Castlemap dataset built on Wikidata. Hosted endpoint needs no API key; the zero-dependency server can also be self-hosted.
Location intelligence gateway across 10 providers (OpenStreetMap, OSRM, Google, Yelp, Foursquare, US Census, Kakao, Naver, Baidu, your own CSV): place search, geocoding, directions + distance matrices, travel-time isochrones, and commercial-area analysis (category density, ratings, demographics). Multi-provider merge + dedup with per-field provenance, cost budgets, and a policy engine that enforce
App Store Optimization for AI agents — keyword research with difficulty and popularity scores, daily rank tracking, review mining, competitor gap analysis, and revenue estimation across the iOS App Store and Google Play. 32 tools. `npx @sonarapp/mcp`
AI infrastructure cartographer & MCP server: fingerprints, graphs, and watches the live infrastructure an agent can reach (Docker, Kubernetes, cloud, IaC) and detects incidents.
Observability for AI agents: 87 tools to query LLM cost, errors, and latency across OpenAI/Anthropic/Gemini/Mistral, and operate alerts, budget gates, evals, and safety checks from Claude/Cursor. Install: `npx -y @argosvix/mcp-server`.
Server ops via AI: log troubleshooting, CPU/memory/disk monitoring, code edit, Nginx & certificate management. Local or SSH-remote with two-step confirmation, command whitelist, and secret redaction. Install: `npx -y server-ops-mcp`.
Independent trust scores, claim audits, and comparisons for AI agents — queryable by your agent over MCP. Hosted Cloudflare Worker at hlido.eu/mcp (no install). Returns a 0–100 score, tier verdict, per-claim PASS/FAIL audit, and signed evidence for a reviewed agent. From [Hlido](https://hlido.eu).
Read-only MCP server and live-map dataset for declassified U.S. federal UAP/UFO records, with searchable records, hotspots, timelines and direct source links.
Query 9 classical Chinese texts (pre-Qin to Wei-Jin: 史记/汉书/后汉书/三国志/左传/论语/孟子/吕氏春秋/资治通鉴) by event, person, modern place name, or virtue — every result cites 【book · chapter · paragraph】 with original-text evidence and an honest `review_status`. Zero-dependency stdlib stdio JSON-RPC.
Live VR / AR / XR news, full-text VR.org originals, events calendar, headset deals and comparisons
Search, rank, and analyze GitHub developers for tech recruiting. Location/role/skill search over millions of ranked profiles with AI scoring and contact discovery. Install via `npx githunt-mcp` or use the hosted server at `https://mcp.githunt.ai/mcp`.
Japanese-web-native web fetching optimized for low target-site impact and token efficiency. Outline-first progressive disclosure, Shift_JIS/EUC-JP mojibake handling, PDF/CSV extraction, and polite crawling (robots.txt, rate limits, honest User-Agent). Install via `npx -y amenbo`.
Zero-trust local PII and secrets masking server for Cursor, Windsurf, and Claude Desktop. `npx pii-masking-run`
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