Directory

Browse MCP servers

Tracking 28,377 servers from the official MCP registry. Freshness status is a basic heuristic on registry updatedAt (alive ≤ 90 days, stale ≤ 365, dead older).

Launch domain: mcpsignal.dev

ONCE — Exactly-Once Reliability for AI Agent Actions
io.github.GSterlingPress/once

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

Alive
updated 1 month ago
v0.8.3
GEML — a plain-text document format built to be edited in place, one section at a time
io.github.geml-spec/geml

One section in, one section out — on Markdown/GEML files, bad writes refused.

Alive
updated 1 month ago
v1.10.1
MDEngine
com.forcefieldsilicon/mdengine

MD workbench for agents: inspect/render trajectories, depth profiles, detached LAMMPS jobs.

Alive
updated 1 month ago
v0.6.3
loci
io.github.3M1RY33T/loci

Scoped memory for coding agents: picks the right project, answers in scope, or abstains.

Alive
updated 1 month ago
v0.5.0
ClaudeR - RStudio MCP Server
io.github.IMNMV/clauder

Connect RStudio to AI assistants for interactive R coding and data analysis.

Alive
updated 1 month ago
v0.15.0
BlackVeil DNS & Email Security Scanner
com.blackveilsecurity/dns

DNS and email security scanner with 79 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Alive
updated 1 month ago
v3.76.1
io.github.Davedat-110105/mcp-gateway
io.github.Davedat-110105/mcp-gateway

Curated gateway to snapshot-versioned Canadian public data services with source provenance.

Alive
updated 1 month ago
v0.1.0
CCXT
io.github.ccxt/ccxt-mcp

Official CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets

Alive
updated 1 month ago
v0.1.3
MGS Toolbox
com.michaelghelfistudios/toolbox

Fantasy TTRPG data: metals, minerals, ingredients, potions, gems, craft rules, music catalogue.

Alive
updated 1 month ago
v1.0.0
PaperDock
dev.paperdock/paperdock

Overleaf alternative online LaTeX editor. AI agents edit, comment, and chat. Keep or revert edits.

Alive
updated 1 month ago
v0.8.0
KEPTA — Agent Memory
io.github.DamianTodorovic/kepta

Local memory for AI agents. One SQLite file on your machine — no cloud, no account.

Alive
updated 1 month ago
v2.9.1
Musevate
com.musevate/mcp

Text, image and reference-to-video across many AI video models. Musevate account required.

Alive
updated 1 month ago
v1.0.0
AppCrane
io.github.gitayg/appcrane

Deploy and manage apps on your own AppCrane instance, the self-hosted PaaS for AI-built apps.

Alive
updated 1 month ago
v1.0.0
WHMCS MCP Server
io.github.daddariotech/whmcs-mcp

Connect Claude, ChatGPT, and Cursor to live WHMCS over MCP.

Alive
updated 1 month ago
v2.3.6
x402 Market Intelligence + Russian Web Access
com.ruscrape/russia-access

Check x402 endpoints before paying: liveness, price history, farm detection. Plus RU web access.

Alive
updated 1 month ago
v1.1.0
io.github.rwestergren/cronometer-api-mcp
io.github.rwestergren/cronometer-api-mcp

MCP server for Cronometer nutrition tracking — food logs, diary, macros, fasting

Alive
updated 1 month ago
v0.2.3
Flameox
io.github.morluto/flameox

Bounded local runtime evidence from explicit artifacts and typed direct targets.

Alive
updated 1 month ago
v0.2.6
DocsMint
io.github.HiAi-gg/docsmint

Self-hosted AI-native knowledge workspace with hybrid search, GraphRAG, and MCP.

Alive
updated 1 month ago
v0.8.3
Casper Tools
io.github.magiautonomous/casper-tools

19 zero-setup utilities: JSON, regex, cron, hash, base64, CSV, JWT, UUID, YAML, semver, time.

Alive
updated 1 month ago
v1.4.0
BlueNexus Universal MCP
ai.bluenexus/universal-mcp

Connect your AI to all your data - 200+ sources, intelligently filtered, compliance-ready.

Alive
updated 1 month ago
v1.19.1
FlowSentry
io.github.vasilicasijarvis/flowsentry

Security scanner for n8n workflows: 18 rules, OWASP Agentic mapped. Free MCP, paid x402 API.

Alive
updated 1 month ago
v0.2.0
pgtriage
io.github.pgtriage/pgtriage

MCP server for PostgreSQL performance auditing with actionable SQL fixes.

Alive
updated 1 month ago
v0.1.3
upkeep-mcp
io.github.tiagocalado86/upkeep-mcp

Website maintenance checks: domains, SSL, uptime, technical SEO and accessibility

Alive
updated 1 month ago
v0.6.1
AI Crawler Index
dev.workers.pathwren.www/ai-crawler-index

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.6.0
Crawler Log Triage
dev.workers.pathwren.www/crawler-log-triage

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.4.0
Robots.txt Policy Lint
dev.workers.pathwren.www/robots-policy-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.4.0
Crawler IP Verifier - real Googlebot or fake
dev.workers.pathwren.www/crawler-ip-verifier

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.4.0
MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors
dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.3.0
Korea Business Verify (KBV)
io.github.Wonderfulian/kbv-server

Real-time Korean business verification via NTS. 10 free calls/day, then pay-per-call (x402).

Alive
updated 1 month ago
v0.2.2
Agent Discovery Doctor - llms.txt, agent card, mcp.json
dev.workers.pathwren.www/agent-discovery-doctor

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Alive
updated 1 month ago
v1.4.0
Datos: Spanish Open Data
win.automate-it-all/datos

BOE, Spanish public tenders and INE statistics behind one MCP server.

Alive
updated 1 month ago
v1.0.0
Chart Library — Market-state research
io.github.grahammccain/chart-library

Free market-state research: historical analogs, daily notes and calibration evidence.

Alive
updated 1 month ago
v6.2.0
Longwire
io.github.longwiremedia/longwire

Your private media library and records, with receipts: search, recordings, and a verifiable ledger.

Alive
updated 1 month ago
v0.9.8
io.github.0Mattias/bettermemory
io.github.0Mattias/bettermemory

Memory for coding agents, checked against the filesystem and git before it is believed.

Alive
updated 1 month ago
v7.5.1
Mailtea
app.mailtea/mailtea

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

Alive
updated 1 month ago
v0.3.0
Homechecker Guides
io.github.Steven3265/homechecker-guides

Homechecker's professionally authored Australian homebuyer guides: search, cite, build checklists.

Alive
updated 1 month ago
v1.2.1
WalleK
app.wallek/wallek

Personal finance ledger: log expenses, track bills and cards, import statements.

Alive
updated 1 month ago
v1.1.0
kwin-mcp
io.github.VibeProgramm/kwin-mcp

KDE Plasma 6 Wayland GUI automation for AI agents: 30 tools (EIS input, screenshots, AT-SPI2).

Alive
updated 1 month ago
v0.8.2
Torque
fi.torque.app/mcp

Unified book, desk, calendar, prices, and rates for agents. Sign up, pay, pull.

Alive
updated 1 month ago
v1.0.0
Georgia Commons
org.georgiacommons/georgia-commons

Georgia's Code, bills, and Supreme Court opinions as source text. Independent, not the State.

Alive
updated 1 month ago
v0.1.0
openLCA MCP Server
io.github.Below280/b280-olca-mcp

Connect AI assistants to openLCA. 31 tools for database search, model building, and LCIA.

Alive
updated 1 month ago
v1.14.0
Vantage
dev.vantagemcp/vantage

Checks if ChatGPT and Google AI Overviews cite your site for a keyword, and who they cite instead.

Alive
updated 1 month ago
v1.5.6
MCP Sandbox Computer VM for AI
io.github.flujo-app/mcp-sandbox-computer-vm-for-ai

Named Docker and Fly Machine sandbox computers with an interactive MCP App dashboard.

Alive
updated 1 month ago
v0.2.3
Caribooks (QuickBooks Online)
com.caribooks/quickbooks

QuickBooks Online in Claude and ChatGPT: 221 tools, full ledger, multi-company, Canada + US, FR/EN.

Alive
updated 1 month ago
v1.4.0
XRPL-Utilities
io.github.XRPL-Utilities/mcp

XRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402.

Alive
updated 1 month ago
v0.2.201
io.github.fcon-tech/portolan
io.github.fcon-tech/portolan

Portolan: an MCP server that charts codebases - Chart store, Harbor expeditions, Chart Room.

Alive
updated 1 month ago
v0.6.0
Vyrl
io.github.solarx56/vyrl

Inspect and edit media canvases, run existing Flows, and retrieve results. Vyrl MCP token required.

Alive
updated 1 month ago
v1.0.0
Malwagon
com.malwagon/malwagon

Submit files and URLs to a malware sandbox, poll scans, fetch reports, hashes and IOCs.

Alive
updated 1 month ago
v1.0.0
Dirigon
com.dirigon/mcp

Private credit marks from BDC and interval filings. Ask a name. See who filed it.

Alive
updated 1 month ago
v1.0.0
app.fawtar/fawtar
app.fawtar/fawtar

ZATCA-compliant Saudi invoicing and accounting: invoices, receivables, VAT, ledger, payroll.

Alive
updated 1 month ago
v1.1.0