OnlyWorlds
com.onlyworlds/mcp
Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.
OnPress
kr.co.onpress/onpress
How to open and run a Korean internet newspaper with OnPress: plans, templates, guides. Read-only.
ONR
mcp-dir/onr_mapa_registro_imoveis-mcp
ONR: Mapa do Registro de Imóveis, official-source lookup. Platform-hosted, pay per query with prepai
Onramperx
lmno100/onramperx
Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.
Onsa
ai.onsa/onsa
Find scored B2B leads, read campaign replies and send approved LinkedIn outreach.
Onsomble
ai.onsomble/onsomble
Track how AI assistants talk about your brand and market, and learn how to show up better.
Ontario Protocol
TheTechDevPro/ontario-protocol
Find live x402 APIs for any task (0.005 USDC, no match no charge); Base balance, tx and gas reads.
OntoRamp Decision Intelligence
MatthewDavisAIArchitect/ontoramp-decision-intelligence
Log, evaluate, and ground AI decisions against authority context. Returns PASS, WARN, or BLOCK.
OntoRamp Governance Assessment
com.ontoramp/governance-assessment
Governance maturity assessment, compliance gap analysis, and evidence-linked briefs for AI agents.
OntoRamp Graph Query
MatthewDavisAIArchitect/ontoramp-graph-query
Architecture-grounded query for AI agents. Governance constraints, evidence-linked answers.
OntoRamp Knowledge Cartographer
MatthewDavisAIArchitect/ontoramp-knowledge-cartographer
Knowledge coverage map and health score. Ingest docs into a governed knowledge graph via MCP.
Onvexia
faraz152/onvexia-mcp
Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents.
Onvibe
ceritium/onvibe
Talk to Claude and get a live web app deployed to a real URL, with Postgres, storage and cron.
Onward Flights
flights.onward/onward-flights
Search real flights and buy an onward ticket (proof of onward travel), paid in USDC over MPP
Onymu
com.onymu/onymu
Check domain availability across every extension, generate names, and check social handles.
Onyx AML
trade.onyxprotocol/onyx-aml
Crypto address risk checks for agents: USDT/USDC blacklists, sanctions, scam lists, poisoning
OnyxMetric
com.onyxmetric/mcp
Read and manage OnyxMetric web analytics: traffic, errors, funnels, goals, sites and segments.
onzero — Creative Studio
ai.onzero/creative-studio
Turn Claude into a creative studio: DNA-locked characters, images, video, voiceover — 55 tools.
Oolkin
edgarator/understudy
AI colleagues that keep your standards, your project and their reasoning between sessions
OOTWOracle
com.ootworacle.www/predictions-server
AI predictions on psychedelic medicine regulation. 8-agent swarm, 460+ daily signals, free API.
Opafex
com.opafex/business-automation
Helps UK small business owners decide where AI fits: what to automate first, data checks, payback.
opchain
asfbay-bit/opchain-skills
Claude Code / MCP skills for the dev pipeline: discover, spec, design, build, ship, operate.
Opcmenu
io.github.yzlee/opcmenu
Find founders, collaboration opportunities and events; manage authorized signups and messages.
OpCreative
us.opcreative/fulfillment
Print-on-demand fulfillment: manage orders, catalog and account from AI clients. Writes ask first.
Open Agent Exchange
org.openagentexchange/exchange
Free marketplace where AI agents post haves and wants, find matches, negotiate, and share photos.
Open Agent Marketplace Lab
site.chatgpt.werkruimte-v-0931.open-agent-marketplace-lab/marketplace-discovery
USDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.
Open Agent Utility Index
io.github.sadri-dridi/open-agent-utility-index
Transparent public utilities for agents. Requests are counted without storing identifiers.
Open Call Portal
io.github.OpenCallPortal/open-call-portals
Search PII-free opportunities, availability, and live events; prepare safe no-write form handoffs.
Open Claw x402 Tools
com.openclawproductions/x402-tools
Paid tools for AI agents via x402 (USDC on Base): text rewrite, writing grade, code lookups.
Open data
org.duckdns.gregswarm.api/open-data
Official open data as JSON: clinical trials, EU tenders, papers, apps, French firms, fuel, domains.
Open Data
markatdataandbeyond/open-data-mcp
10 tools on official open data: EU VAT/LEI, TED tenders, PubMed, trials, registries, weather.
Open Data Actors
tmeteor-data/open-data-actors
64 public Apify Actors for public-record, jobs, lead, SEO and social data, as MCP tools.
Open Design Guard
clauxel/open-design-guard-mcp
Paid remote MCP for agent design system guard MCP, structured receipts, audit logs, and reviewer-rea
Open Factory
com.open-factory/open-factory
Lead times, prices, tariffs and grid interconnection terms for factory and datacenter equipment.
Open Financial Mortgages
io.github.clara-finance/open-financial-mortgage-options
Ontario, Canada mortgage options, published lender rates and a link to a licensed broker.
Open House Copilot
Real-Estate-OS/openhouseboss-backend
AI open-house assistant for agents: sign-in kiosk + automated, consent-aware follow-ups.
Open Index
uk.co.openindex/open-index
UK public data by area: house prices, crime, deprivation, schools and more, each figure cited.
Open Labor Project
com.openlaborproject/auto-repair
Labor times, torque specs, fluid capacities, DTC codes and battery specs for vehicles 1955-present.
Open Loyalty
OpenLoyalty/openloyalty-mcp
Manage Open Loyalty programs: members, points, rewards, campaigns, tiers and transactions.
Open Medici Public Fellowship and Grant Search
com.openmedici/public
Public fellowship and grant search with sourced details and live filter vocabularies.
Open Natural Gas
org.opennaturalgas/open-natural-gas
Compare Georgia natural gas marketers' PSC-filed rates, profiles and rate history since 2019.
Open Platform
LouisKojo/open-platform
Marktplatz fuer Anliegen: Angebot gegen Nachfrage, von Agenten lesbar und bedienbar.
Open Solid
ai.opensolid/opensolid
Banking for AI agents: wallet, US bank account, prepaid cards, and Venmo, PayPal, and bank payouts.
Open Source Intelligence
FoundryNet/oss-intel-mcp
GitHub project health, package dependency risk, trending repos, license & package comparison.
Open Task Relay
org.opentaskrelay/open-task-relay
AI agents discover, complete, submit and independently verify free, bounded public-good tasks.
Open Video
ezoic/open-video-mcp
AI-powered video publishing, channel management, and monetization via open.video
open-signals
Civops-Platform/open-signals
Public hazard, water, weather and EPA data with source, age and licence on every reading.
Open017
io.github.huzaifaasim017/open017
AI-to-AI social network: read discussions, post, reply, react, follow, and search without login.