Browse all Model Context Protocol servers with quality scores, stars, languages and maintenance activity.
Create workflow, sequence, and architecture diagrams using FlowZap Code DSL. 7 tools for validation, playground URL generation, syntax docs, graph export, artifact parsing, diffing, and patching. No API key required. Install via NPM: `npx -y flowzap-mcp`
Autonomous testing for web apps — dispatch AI agents that open real browsers, execute test cases, and report pass/fail with screenshots. Generate user stories, test cases, and Playwright code from your app context. 8 tools for end-to-end test automation.
Enable AI assistants to interact with your feature flags in [Flipt](https://flipt.io).
Generate diagrams from structured JSON across 18 types (architecture, ERD, sequence, flowchart, Gantt…) — native SVG/PNG, no headless browser. Built for LLMs and agents.
Drive PSP games through [PPSSPP](https://www.ppsspp.org)'s built-in WebSocket debugger interface — no plugin needed. Memory r/w (u8/u16/u32/range/string), input (buttons + analog), pause/resume/step, screenshot, MIPS Allegrex registers, CPU execution breakpoints. The richest debugger surface in the family thanks to PPSSPP's native instrumentation.
MCP server providing comprehensive Datadog observability access for AI assistants. Features grep-like log search, APM trace filtering with duration/status/error queries, smart sampling modes for token efficiency, and cross-correlation between logs, traces, and metrics.
Local stdio MCP server for x402-powered paid crypto intelligence: preflight checks, trade decisions with `decision_id`, later audit against real prices, risk state, signal history, and agent automation search over USDC micropayments on Base.
Local proxy that collapses N downstream MCP servers into 4 meta-tools with progressive tool discovery (measured: 122 tools → 4, ~28.6K tokens of definitions saved), compresses large tool outputs (HTML→Markdown, JSON structure summarization, base64 stripping — 60–95% measured on real pages/APIs) with full-output retrieval via `read_more`, and prints a per-session token-savings report. Security-rele
Local-first continuous glucose monitor MCP server for Dexcom Developer API and FreeStyle Libre via LibreLink Up.
Taiwan's first public MCP server for National Health Insurance (NHI) data — 234 rejection codes, 1,497 ICD-10→procedure mappings across 20 specialties, audit indicators (008/014/027/P043), and semantic wiki search over 8,232 chunks of official NHI documentation. Powered by [OPDSTAR](https://opdstar.com). Install: `npx @opdstar/nhi-mcp`.
Ask your Oura Ring about sleep, readiness, activity, stress and heart rate in ChatGPT or Claude, in any language. Read-only, token-efficient, self-hosted; 10 task-oriented tools grouped by how people actually ask.
Rent real residential Chrome browsers from real humans — per-minute billing ($0.01/min), real fingerprints, residential IPs, no datacenter signals. MCP-native, with SDKs for Python, JS, LangChain, CrewAI, n8n. Crypto payouts.
Read any URL as a clean AIDocument (Markdown + structure) through Lyrenth's cached index.
Drives a browser (or a native Expo/React Native app on iOS/Android) and your dev server onto one correlated timeline, so a browser console error and the backend stack trace from the same moment line up. Includes `repro` action sequences, a unified log/network query API, and an Electron cockpit.
Adobe Edge Delivery Services (AEM EDS) management with 20 tools for preview, publish, bulk operations, content reading, Core Web Vitals, 404 tracking, A/B experiments, site configuration, and redirects. Install: `npx @focusgts/eds-mcp-server`.
Azure cloud cost management — spending analysis, forecasts, anomaly detection, budgets, optimization recommendations, idle resource detection, tag-based cost allocation, and cross-subscription queries through natural language.
MCP server for the Dynadot domain registrar API — 60 tools for domain search, registration, DNS, contacts, transfers, and marketplace.
MCP server for VibeKit. Lets an LLM in Claude Desktop, Cursor, or any MCP client build, deploy, and manage hosted apps and chat with each app's persistent server-side agent (every app gets its own agent and a live URL). Not to be confused with the unrelated `superagent-ai/vibekit` SDK.
Business email MCP server for AI agents. Manage custom-domain mailboxes, read and send messages, draft replies, inspect threads, and automate Shipmail REST API/webhook workflows.
Search and enrich data from 250M+ companies across 50+ countries. Company lookup by name, VAT, or ID, NACE sector search, and financial data from official EU business registries. Free tier: 50 lookups/month. Install: `npx scala-mcp-server`.
Deterministic validation of AI-generated artifacts before acting on them: JSON Schema conformance, OpenAPI response conformance, SQL syntax per dialect. Typed verdicts with per-error fix hints. Hosted free tier with remote MCP endpoint; MIT, self-hostable.
Record an agent's tool-call workflow once, replay it deterministically at 0 tokens, and diff runs to catch drift — CI + snapshot tests for MCP tool-call workflows. `npx -y reelier serve`
MCP server for the VerifyAX platform. Enables agent evaluation, simulation testing, and functional/non-functional verification workflows through natural language.
Scaffold modern npm packages, CLIs, services, and full-stack monorepos from your agent. Three tools: inspect the option schema, preview the generated file tree, and write the project to disk — optionally creating the GitHub repo and pushing to it, or merging into an existing clone without overwriting anything. Also available as a CLI and a web configurator. `npx -y packkit-mcp`
Search @imqueue docs and scaffold typed services & clients for AI coding agents, access CLI and manage your service fleet.
EU Digital Product Passport automation for AI agents. Create products, build and audit DPPs (battery, electronics, textiles, and more), set economic-operator parties, and read or capture GS1 EPCIS 2.0 supply-chain events via the TracePass platform. 6 tools, hosted (`https://ai.tracepass.eu/mcp`) or local. Install via `npx -y tracepass-mcp-server`.
PayPerByte — per-byte data marketplace for AI agents on Arbitrum. Discover publishers, evaluate on-chain Proof-of-Quality Score (PQS), subscribe + pay per request in USDC via x402 gateway. 15 tools, zero API keys.
25 tools for Solana blockchain — wallet management, SOL/SPL token transfers, SPL token creation and minting, account operations, and network switching (mainnet/devnet/testnet).
UK property finance calculators: bridging cost (rolled-up / retained / serviced), development appraisal (LTC, LTGDV, viability), BTL stress test (125%, 145%, 170% ICR), and UK stamp duty (SDLT, LBTT, LTT). Built by [FD Commercial](https://www.fdcommercial.co.uk), a specialist UK property finance broker. Install via `npx -y @fdcommercial/property-finance-mcp` or call the hosted endpoint.
Treasury standard for AI agents on Base mainnet. Park idle USDC in a cbBTC/WETH index with Crash Shield protection, JIT-swap to USDC for x402 invoice payments.
16 paid wallet & utility tools on Base + Solana. 9 commodity primitives — OFAC sanctions screen, bundled wallet intel (balances + activity + identity + sanctions in one call), dual-chain hash anchoring, signed decision attestations, mainnet tx + calldata decode, ENS + Bonfida SNS resolve, USD prices, datetime parse. Plus an async due-diligence investigator (`/v1/investigate`, $7.77, signed markdow
Deterministic day-count and accrued-interest engine. Six ISDA/ICMA conventions, proven exact against QuantLib over 3,600 date pairs. Stops the AI guessing your interest math.
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
Settlement protocol MCP server for institutional cross-border USDC transactions on Base mainnet. 14 tools: 10-source Stability Oracle (macro, FX, ESG, climate, supply chain, earth systems), ESG scoring with 6 institutional providers, FX quotes, Verification of Payee, and USDC settlement execution. x402 pay-per-call intelligence. MiCA-aligned, GENIUS Act compatible. `npx @untitledfinancial/dpx-mcp`
Tenant-bound MCP server for agent spend authorization, policy guardrails, evidence, escrow settlement, and portable receipts. Sandbox bootstrap, spend intents, and completion validation for Cursor and Claude Code. TypeScript: `npx -p @paybond/kit paybond login` then `npx -y -p @paybond/kit paybond-mcp-server`. Python: `pip install paybond-kit` then `paybond-kit-login` and `paybond-mcp-server`. [Do
SEC filing intelligence for AI agents: insider (Form 4) & institutional (13F) ownership, dilution-risk scoring, congressional & executive (STOCK Act) trades, FEC campaign finance, SEC filing search, compliance monitoring, and a dilution-aware stock screener. 86 tools over live Signal8 data.
x402 Micropaid API Marketplace — 10 AI tools for agents. Crypto prices, web search, weather, image-gen, LLM chat, code execution, translation, sentiment analysis, and QR code generation. Pay-per-call with USDC on Base (no API keys, no registration). Install with \
Drive the [mGBA](https://mgba.io) Game Boy Advance emulator from any MCP client: read/write GBA memory, inject button presses, take screenshots, save/load state, and step the emulator. Lua bridge inside mGBA + Node MCP server.
Personal memory for Claude Code in plain Markdown notes you own. Doesn't load context blindly: a router note decides what to load and when, plus an "alma" (soul) layer for what you think and feel, not just tasks. `npx bovedia`
See and query your whole AI system as one rooted 3D knowledge graph — agents, memory, knowledge, and automations fused into a privacy-walled snapshot. MCP tools for stats, search, node dossiers, neighbors, and pathfinding; the same snapshot renders up to a million nodes in the browser. `npx create-booboo`
Hosted company-state MCP for operating SMBs (brand, voice, charter, priorities, entitled modules/skills). Anonymous public discovery at `https://connector.rarefied.earth/public/mcp` proves live value in under 10 seconds; tenant feed after trial. Official registry: `io.github.Rarefied-Earth/groundwork`. [Product](https://rarefied.earth/groundwork/)
Sovereign, encrypted, persistent memory for AI agents. Eight MCP tools — remember, recall, forget (GDPR Art. 17 erasure), share. Anchored on COTI V2 mainnet. Apache-2.0. Install: `npx -y @saihm/mcp-server`.
Nonpartisan U.S. Congress data: plain-language bill decodes (bilingual EN/ES), representative lookup by ZIP with district-office phone numbers, and what’s-moving urgency ranking. Read-only, keyless, no accounts. Remote server at oravan.org/api/mcp/mcp, listed in the MCP registry as org.oravan/mcp.
Patentability pre-check for code — USPTO statutory pillar scores (§101 eligibility, §102 novelty, §103 non-obviousness, §112 documentation), filing-readiness, and prior-art signals. No API keys; runs as a CLI or MCP server. Tools: `precheck_score`, `precheck_pillars`, `precheck_start_review`. Install: `npx -y @patentprecheck/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.
Reddit Ads API v3 with working write operations and tiered write-safety controls (read, safe, spend). Manage campaigns, ad groups, ads, budgets, bids, and targeting, pull performance reports, and mint OAuth credentials with a built-in auth command.
GoHighLevel (GHL) MCP server. 212 tools across 43 modules including the only programmatic GHL workflow builder (private API, reverse-engineered), funnel + page editor, form builder, pipeline builder, goal event builder, pre-deploy validator, multi-sub-account switching, bulk operations, and full account export. Built for agency operators managing many client GHL sub-accounts. Paid, $97 one-time, 3
Provider-neutral short-form AI video MCP and CLI for agents, with dry-run payload validation and optional live generation through Sora, Veo, xAI and Seedance-style providers.