MCP Servers Directory
Open-source Model Context Protocol (MCP) servers that let AI assistants and agents use external tools and data. Entries come from the community list awesome-mcp-servers; we have not tested each server, so check the repository before you install one.
OHNLP/omop_mcp
Map clinical terminology to OMOP concepts using LLMs for healthcare data standardization and interoperability.
OilpriceAPI/mcp-server
Real-time oil, gas and commodity prices: spot, history, futures curves, price alerts and market briefs for Brent, WTI, diesel, jet fuel and more.
OksigeniaSL/checker-mcp
Local-first domain security and privacy checker: live SPF, DMARC, DKIM, DNSSEC, TLS, CAA and security header checks, scored with remediation advice.
oleg-vdv/kepil
Accountability layer for AI agents: per-version passports, per-job mandates with spending limits, a fail-closed action gate and a hash-chained…
olgasafonova/gleif-mcp-server
Access the Global Legal Entity Identifier (LEI) database for company verification, KYC, and corporate ownership research via GLEIF's public API.
olgasafonova/mediawiki-mcp-server
Connect to any MediaWiki wiki (Wikipedia, Fandom, corporate wikis) to search, read and edit pages, analyze links, view revision history and convert…
olgasafonova/productplan-mcp-server
Query ProductPlan roadmaps, OKRs, ideas, launches and timeline data.
olostep/olostep-mcp-server
Web scraping, crawling and search API: extract content as Markdown or JSON, batch-process URLs and get answers with citations.
Oluwatunmise-olat/mcp-server-logs-sieve
Query, summarize and trace logs in plain English across GCP Cloud Logging, AWS CloudWatch, Azure Log Analytics, Grafana Loki and Elasticsearch.
om-tajne/pkgdiet
AST-based dependency analyzer: flags unused packages, calculates actual install sizes and detects unmaintained dependencies.
omega-memory/omega-memory
Local-first persistent memory for coding agents with semantic search, auto-capture, cross-session learning and intelligent forgetting.
omni-fun-mcp-server
Multichain memecoin launchpad where agents can tokenize themselves: trending tokens, search, quotes, bonding curves and trade simulation.
omni-mcp/isaac-sim-mcp
Natural-language control of NVIDIA Isaac Sim, Isaac Lab, OpenUSD and more, via a server and an extension.
omniologynow-rgb/mcp-server
AI agent contest platform on Solana: skill tournaments (art, stories, jokes) with USDC payouts via an on-chain smart contract.
omniologynow-rgb/profitspot-mcp
Cross-chain DeFi analytics: yield discovery, pool analysis, profit simulation, risk scoring, whale tracking and impermanent loss calculation.
omniologynow-rgb/scout-intel-mcp
Web intelligence: SERP analysis, competitor research, market trends, content gap analysis, keyword insights, audience discovery and citation tracking.
omnom62/freshdesk-mcp
Self-hosted Freshdesk server: ticket search, conversations, attachment text extraction, image OCR and status, group and company enrichment.
ONE8943/ai-furniture-hub
Japan-focused furniture and home products: millimeter-precise search, curated sets, dimension-compatible replacement finder and live Rakuten data.
oneappsworld/callchatsyn-mcp
Small-business customer service via CallChatSyn: answer customer questions from the business's own FAQs (English/Chinese), list open appointment…
ontorata/ratary
Persistent coding memory for AI assistants with hybrid search, a knowledge graph and token-efficient context, self-hostable on D1, Postgres, MariaDB…
onvaou-app/onvaou-itineraires-mcp
Bike, e-bike, kick scooter, motorcycle, wheelchair and walking routes across Europe from the On va où ? Routing API, with safe, balanced and fast…
oomkapwn/enquire-mcp
Long-term agent memory backed by a local Obsidian vault: hybrid retrieval with reranking, agentic RAG, wikilink community detection, Obsidian Bases…
ooples/mcp-console-automation
Console automation and monitoring, like Playwright for terminal apps: session management, SSH, testing, monitoring and background jobs.
ooples/token-optimizer-mcp
Token optimization through caching and compression, with tools for API optimization, code analysis and real-time monitoring.
Opedd/opedd-mcp
Discover, buy, verify and retrieve licensed expert analysis, with per-article license keys, on-chain proof and EU AI Act Article 53 attestation.
open-agreements/open-agreements
Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment, cloud terms) and produce signable DOCX files.
open-strategy-partners/osp_marketing_tools
Marketing tools from Open Strategy Partners: writing style, editing codes and product marketing value map creation.
openaccountants/openaccountants
Open-source accounting skills reviewed by licensed accountants, covering income tax, VAT and payroll by country, US state and Canadian province.
openagentemail/openagentemail
Self-hosted email for AI agents: mailboxes on your own domain, OTP and verification-link extraction, waiting for new mail, and a web dashboard.
openbnb-org/mcp-server-airbnb
Search Airbnb and get listing details.
opendatalab/MinerU-Ecosystem
Convert PDFs, Word and PowerPoint files, images and spreadsheets to Markdown via the MinerU document parsing API.
OpenDataMCP/OpenDataMCP
Connect any open data source to LLMs.
openephemeris/openephemeris-MCP
Astrology from the NASA JPL DE440 ephemeris: natal, synastry, progressions, transit search, Human Design, Vedic, BaZi and astrocartography.
openfate-ai/bazi-mcp
Deterministic Bazi (Four Pillars) calculations with True Solar Time, lunar/solar conversion, Da Yun luck cycles, branch interactions and reverse…
openITCOCKPIT/openITCOCKPIT-MCP-Server
Access openITCOCKPIT monitoring: host and service state, check history, logs, downtimes, acknowledgements, software inventory and pending security…
openlink/mcp-server-jdbc
Generic database (DBMS) connectivity via JDBC.
openlink/mcp-server-odbc
Generic database (DBMS) connectivity via ODBC.
openlink/mcp-server-sqlalchemy
Generic database (DBMS) connectivity via SQLAlchemy using pyodbc.
openMF/mcp-mifosx
Core banking integration for managing clients, loans, savings, shares and transactions, and generating financial reports.
openMF/mcp-mifosx-self-service
Apache Fineract self-service integration: user registration, authentication, account management, transactions and third-party transfers.
openpouch/openpouch
App hosting for agents: deploy to a live URL, verify, view logs, inspect, roll back and delete, with human approval for production.
openstack-kr/python-openstackmcp-server
OpenStack cloud infrastructure management based on openstacksdk.
opentabs-dev/opentabs
Plugin-based server and Chrome extension that gives AI agents access to web apps through your authenticated browser session, with a plugin SDK.
OpenZeppelin/contracts-wizard
Generate secure smart contracts in multiple languages from OpenZeppelin Wizard templates.
operantlabs/operant-mcp
Security testing tools for penetration testing, network forensics, memory analysis and vulnerability assessment.
opgginc/opgg-mcp
Real-time gaming data for League of Legends, TFT and Valorant: champion analytics, esports schedules, meta compositions and character statistics.
ophis-fi/ophis
Intent-based DEX aggregator (self-hosted CoW Protocol): parse swap intents, get quotes, build and submit EIP-712 orders and check balances on EVM…
opsloft/tariff-resolver
US import duty research from USITC data: HTS code candidates, Chapter 99 duties (Section 301/IEEPA), MPF/HMF fees, landed costs and tariff-change…
optifeed/optifeed-radar
Asks ChatGPT, Claude, Gemini and Perplexity buyer questions and scores whether a brand or its products get recommended, with share of voice and…
optimaquantum/claude-critical-rules-mcp
Enforces critical rules for Claude to prevent documented failure patterns, with a compliance verification checklist and rules summary.
optuna/optuna-mcp
Orchestrate hyperparameter search and other optimization tasks with Optuna.
opusforge/gorilla-mcp
Lead discovery for SaaS founders: finds Reddit, X, YouTube and TikTok posts describing a problem you solve, ranks them by buying intent and drafts…
oraios/serena
Coding agent that uses language servers for symbolic code operations.
OrbiAds/Orbiads-GAM-MCP
Google Ad Manager campaign management, line items, creatives, reporting, inventory exploration and ad-ops compliance audits.
orcalayer/orcalayer-mcp
Polymarket whale tracking and smart-money analytics: filtered leaderboard, hedge detection and Ukraine territorial markets with ISW frontline overlay.
orellazi/coda-mcp
Coda integration.
OrgMentem/zotio
Zotero integration with preview-first, journaled writes: reads via the local Zotero desktop API without a key, writes via the Web API.
orieg/gws-connector
Multi-account Google Workspace: connect several Gmail, Calendar, Drive, Sheets and Docs accounts with routing by label, email or domain.
OrygnsCode/Omnicord
Discord chat, moderation, automod, events and administration, including building a server from a description, with confirmation for destructive…
OrygnsCode/opa-mcp-server
OPA and Rego policy toolkit wrapping the OPA CLI and Regal: format, lint, evaluate, test and benchmark policies, manage the OPA REST API and explain…
oscardvs/zoteus
Zotero integration: hybrid search, PDF passages with page locators, CSL bibliographies, add by DOI, group libraries and writes including PDF…
oscarleoo/chartlink-agents
Charts, maps and sortable tables with live-updating embed links: draft, preview and publish, then update the data and every embed follows.
osinmv/funciton-lookup-mcp
Look up function signatures.
oso95/domain-suite-mcp
Domain lifecycle management across Porkbun, Namecheap, GoDaddy and Cloudflare: availability, registration, DNS, SSL, email auth (SPF, DKIM, DMARC)…
OSOJDJD/deeplook
Company research across multiple data sources: structured reports with a bull/bear verdict for stocks, crypto and private companies.
Osseni94/keyneg-mcp
Fine-grained sentiment analysis, keyword extraction and batch processing.
Osseni94/oyemi-mcp
Deterministic, lexicon-based semantic word encoding and valence analysis: word-to-code mapping, semantic similarity and synonym/antonym lookup.
ostapondo/Plonk
Mac window manager and menu bar utilities: arrange windows across displays, snap to custom zones, save workspaces, window screenshots and on-device…
osulivan/skill4agent-mcp-server
Search, view and install AI skills from skill4agent.
Otha-Labs/persuasion-mcp
Plan, check and fix marketing copy against the nine questions every reader asks, with 766 persuasion techniques from real ads, copy diagnostics,…
OthmaneBlial/term_mcp_deepseek
Approval-first local terminal control: policy-based command planning and approval, DeepSeek as an advisor, and signed execution receipts.
OurThinkTank/founders-os
Self-hosted business context: CRM, checkpoints, automation triggers, financial ledger, tasks, playbooks, news feeds, projects and semantic memory.
ouvreboite/openapi-to-mcp
Access any API via its OpenAPI specification, with full JSON Schema support for parameters and request bodies.
OverlayQA/mcp
WCAG accessibility and color-contrast audits plus QA issue tracking from your coding agent.
overpod/mcp-telegram
Telegram via MTProto: read chats, search messages, download media and manage contacts, with QR code login.
OverQuotaAI/chatterboxio-mcp-server
Send ChatterBox bots to Zoom and Google Meet meetings and get transcripts and recordings.
ovlabs/mcp-server-originalvoices
Query Original Voices digital twins, each representing a real person, to understand what users think and why.
oxgeneral/agentnet
Agent-to-agent referral network where AI agents discover, recommend and refer users to each other, with a bilateral trust model and referral tracking.
ozers/hooksense-mcp
Webhook callbacks for AI agents: create callback URLs, wait for signature-verified webhooks instead of polling, verify HMAC and list or replay…
ozgurcd/gograph
AST-aware repository graph for Go codebases: struct embeds, public API surfaces, SQL queries and error mapping, giving agents context without…
P4ST4S/mcp-audit
Transparent proxy that intercepts, signs, rate-limits, redacts and audits MCP tool calls without modifying client or server.
pab1it0/adx-mcp-server
Query and analyze Azure Data Explorer databases.
pab1it0/prometheus-mcp-server
Query and analyze Prometheus, the open-source monitoring system.
pab1it0/tripadvisor-mcp
Tripadvisor API access: location data, reviews and photos.
pab1ito/chess-mcp
Access Chess.com player data, game records and other public information.
PackkitLabs/packkit-mcp
Scaffold and upgrade multi-language projects with the create-packkit generators, and compose a frontend and backend into one fullstack repo.
Pactlio-ai/pactlio-mcp
Contract tools: statute-cited requirements by contract type and jurisdiction, US non-compete enforceability, contract drafting and risk analysis.
pad01g/proxy-shopping-web
Buy from cash-only or unsupported shops with crypto through a proxy shopper and a 2-of-3 escrow with timelocks (BTC signet, USDC) on a Nostr +…
PageRankCafe/mcp-server
Create and post link, banner, YouTube and press-release ads on PageRankCafe, read placement performance and query platform insights.
paigy-ai/mcp
Call, text or push-notify the user's phone when an agent needs input mid-task, and let them reply by voice.
paipaipai666/nexus-browser-mcp
Accessibility-tree browser automation with deterministic snapshots, human approval gates, redacted audit logs and console, network and Web Vitals…
paladini/devutils-mcp-server
Developer utilities: hashing, Base64/hex/URL encoding, UUID and password generation, JWT decoding, JSON/YAML/XML formatting, timestamps, CIDR and…
paladini/mcp-me
Digital identity for AI tools: your bio, career, skills and projects in local YAML profiles, auto-generated from public APIs such as GitHub, Medium…
pallaprolus/mendeley-mcp
Search your Mendeley library, browse folders, get document metadata, search the global catalog and add papers to your collection.
Pangolin-spg/amazon-data-mcp
Read-only Amazon research via Pangolinfo: product details, keyword results, reviews, niche signals, Alexa shopping recommendations and AI-search data.
Pantani/ableton-mind
Control Ableton Live through a local Remote Script bridge: inspect sets, create tracks, scenes and clips, load devices, apply music recipes and…
Pantani/tdmcp
Describe a visual to build a playable TouchDesigner network: audio-reactive, generative, particle, 3D and feedback systems with live knobs and…
PantelisGeorgiadis/dicomweb-mcp-server
Access a DICOMweb archive: search studies, series and instances, inspect metadata, read structured reports, extract PDF text and render frames.
Pantheon-Security/chrome-mcp-secure
Security-hardened Chrome automation and logins with post-quantum encryption, a credential vault, memory scrubbing and audit logging.
Pantheon-Security/notebooklm-mcp-secure
Security-hardened Google NotebookLM access: session-based conversations, notebook library management and source-grounded answers, with post-quantum…