Find MCP servers that
actually work.

nyc-property-intel

io-github-ccedacero-nyc-property-intel

MCP server giving Claude AI access to 22+ NYC public-record databases for real estate due diligence

nylas

io-usefulapi-nylas

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

nyxory

com-nyxory-nyxory

Agent-to-agent cloud service: deploys and runs your apps and services — domains, logs, real status.

obol

dev-fly-obol-x402-obol

Pre-trade safety verdicts for agents: token rug/honeypot, calldata guard, wallet risk — signed x402.

octodock

com-octo-dock-octodock

One MCP URL for all your apps. 600+ actions for AI.

octolens

com-octolens-octolens

Social listening for AI: query brand mentions across 15+ platforms, run analytics, manage keywords.

octoperf

io-github-octoperf-octoperf

Drive OctoPerf load testing from any AI agent: import, edit, validate, run scenarios, read metrics.

odds-api

com-frontofgoal-odds-api

Live soccer prediction-market odds and order-book depth from Polymarket.

odoo

com-odooconsole-odoo

Odoo ERP for AI agents: hosted OAuth endpoint, gated writes, one endpoint for every instance.

office

ai-waystation-office

Create, edit, and collaborate on Office documents and spreadsheets.

ohio-business-registrations

io-github-seanthings-ohio-business-registrations

New Ohio business registrations: name, filing date, entity type, registered agent, address.

okahu

co-okahu-mcp-registry-okahu

Cloud hosted Okahu MCP server that helps you manage genAI trace data

okdoc

com-okdocai-okdoc

E-signature & document automation: create, send, track and sign documents with payments. 38 tools.

okr

com-basenull-okr

Team OKRs from your AI workspace: objectives, key results, and weekly check-ins.

olark

io-usefulapi-olark

Manage Olark live-chat operators and groups (teams): list, create, update, and assign to teams.

ololand-dd

io-github-aniebyl-ololand-dd

OloLand M&A intelligence — 33 tools for deal analysis, valuation, risk, and cross-deal learning.

omni-oracle

io-github-multi-dac-omni-oracle

Agent-First Data Bazaar. 136 Tools for DeFi, Derivatives, Governance, Alpha & Utilities.

omnidim-mcp-server

io-github-omnidim-omnidim-mcp-server

Official MCP server for OmniDimension. Drive voice agents, dispatch calls, and run bulk campaigns.

one-brain

io-github-prophet-git-one-brain

Shared memory for a team in Claude Code: what one person records, everyone has.

onelens-mcp

io-github-astuto-ai-onelens-mcp

Query OneLens cloud-cost data in natural language: breakdowns, trends, cost centers. Read-only.

onvibe

run-onvibe-onvibe

Talk to Claude and get a live web app deployed to a real URL, with Postgres, storage and cron.

onzero — Creative Studio

ai-onzero-creative-studio

Turn Claude into a creative studio: DNA-locked characters, images, video, voiceover — 55 tools.

opc-mcp-server

io-github-steveser1989-opc-mcp-server

OPC Suite — CRM, sales, inventory, accounting, HRM, payroll, claims, projects from any AI agent.

opchain

io-github-asfbay-bit-opchain-skills

Claude Code / MCP skills for the dev pipeline: discover, spec, design, build, ship, operate.

open-ephemeris

com-openephemeris-open-ephemeris

Sub-arcsecond ephemeris and astrology on NASA JPL DE440: natal, transits, eclipses, Human Design.

openFlow

io-github-molkex-omni-flash-veo3-nano-banana

Omni Flash and Veo video, Nano Banana images on Google Flow, from any MCP client

openai

com-seoapi-openai

Validate GPTBot and OAI-SearchBot IP addresses. Remote MCP validate_ip tool.

openapi-lint

io-github-cedrickouma-openapi-lint

MCP server (stdio): lint OpenAPI specs with Spectral via the AgentForge API

openaso

ai-openaso-openaso

App Store Optimization for AI agents: keyword ranks, suggestions, popularity, competitors, reviews

openclaw-agent-tools

io-github-baronsengir007-openclaw-agent-tools

Weather, code search, currency & Solana trust scoring as MCP tools. Free, no API key needed.

opencode

io-github-doc2mcp-opencode

MCP server for opencode documentation, generated by doc2mcp.

opendesignguard-mcp

com-clauxel-opendesignguard-opendesignguard-mcp

Paid remote MCP for agent design system guard MCP, structured receipts, audit logs, and reviewer-rea

opendirectories-business-data

io-github-bigjai-opendirectories-business-data

Search 12M+ verified businesses across 10 countries via government registers.

openeden

io-github-justuncase1210-del-openeden

Agent-only NFT marketplace on Base. Register, mint, list, buy, and trade via MCP tools.

openfolio

io-github-dodenbach-openfolio

Agent-native MCP server over 49M+ US public and government records, privacy-first, always current.

openhelm

ai-openhelm-openhelm

Autonomous cloud agent tasks: real browser + your tools, structured evidence-backed results.

openpost

io-github-rodrgds-openpost

Manage social publishing workflows through OpenPost

openregistry

io-github-sophymarine-openregistry

Live data from 27 official national company registries. Unmodified. For KYB and due diligence.

openshorts

io-github-mutonby-openshorts

Turn long videos into viral vertical shorts and publish them to TikTok, Instagram and YouTube.

opneclaw

io-github-shizl918-opneclaw

AI Agent task ecosystem platform with marketplace and community

optics-mcp

com-sunex-optics-mcp

Search Sunex lenses and imager sensors, match compatible optics, get pricing. No API key needed.

opula

io-github-evan-moon-opula

Not another dashboard. A wealth analyst for every asset a bank can't sync, inside Claude.

opuslog

io-github-ooopak11-opuslog

Repertoire & program archive for classical vocalists. Match works from posters, save, search.

oracle42-intelligence

io-github-mintmas-oracle42-intelligence

AI-powered threat intelligence, smart contract auditing, and cybersecurity OSINT.

orb

io-usefulapi-orb

Read Orb customers, subscriptions, invoices, usage and costs; create or update customers.

organic-web-checker

io-github-healersfind-alt-organic-web-checker

USDA NOP organic compliance checks — operation websites vs live OID certificate data.

organikpi

com-organikpi-organikpi

OrganiKPI MCP: search and fetch services, posts and tools as clean markdown (read-only).

oro-intel-mcp

io-github-oro-intel-oro-intel-mcp

UK public procurement data for AI agents: tenders, contracts, buyer and supplier profiles.