Development

Oncofiles

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Community: Submitted by a user or imported; check the owner before granting access

AI-powered medical document management for cancer patients.

One

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Search, document and execute authenticated API calls across 700+ apps via one MCP server

One AI Guide

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Community: Submitted by a user or imported; check the owner before granting access

One AI Guide is an independent directory and decision guide for AI tools.

• Search Tools: Search approved One AI Guide tools.
• Get Tool: Get one approved tool by UUID or canonical slug.
• List Stacks: List approved public or template stacks whose tools are approved.

one-brain

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

OneAIMemory

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Cross-device AI memory with encrypted activity capture and context handoff between AI tools

onebusaway-mcp-server

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Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.

oneda

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Persistent, governed institutional memory for Claude Code — specs, decisions, learnings.

onelens-mcp

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

OneLore

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Shared project context for AI agents and teams: docs, tasks, and messages that stay current.

OneQAZ Trading Intelligence

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Live market data, signals, positions, and macro analysis for crypto, KR stocks, and US stocks.

OneSource MCP

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@one-source/mcp Unified MCP server for OneSource — 31 tools for blockchain data, live chain queries, and API documentation in a single server.

• 1s Address Txs: Get transaction history for an address (sent and received). Sorted by block number descending. Use from_block/to_block to narrow the range.
• 1s Block: Get indexed block details by block number. Returns block metadata including timestamp, transaction count, and gas used. For the latest pending block, use 1s_pending_block instead.
• 1s Contract Info: Get indexed contract metadata including deployment info and detected standards. Use this for enriched contract data; use 1s_contract_info_live for real-time ERC standard detection vi

Onet

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ONET MCP — wraps the ONET Web Services (US DOL) occupation taxonomy

Onplana

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Project portfolio management for PMOs.

ONR: Mapa do Registro de Imóveis

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ONR: Mapa do Registro de Imóveis, official-source lookup.

onramperx

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Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.

Ons Uk

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UK Office for National Statistics dataset catalogue + Beta JSON API

Ontario Protocol

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Audit x402 buyer discovery free; publish signed provider profiles with MCP and Bazaar evidence.

onthisday

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On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Onto

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Clean Markdown and AI-readability scoring for any URL.

OntoRamp Decision Intelligence

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Log, evaluate, and ground AI decisions against authority context.

OntoRamp Graph Query

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Architecture-grounded query for AI agents.

OntoRamp Knowledge Cartographer

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Knowledge coverage map and health score.

Onvexia — Crypto Fundamentals, Sentiment & Onchain Tracking

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Crypto fundamental analysis, sentiment and whale tracking for traders and AI agents.

Onvexia — Crypto Fundamentals, Sentiment & Onchain Tracking

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Community: Submitted by a user or imported; check the owner before granting access

Onvexia is a crypto research and market intelligence platform for traders, investors, analysts and AI agents.

• Get Asset: An asset's core profile by symbol: name, category and cross-system identifiers (CoinGecko id, contract addresses, chains). Start here when you have a ticker and need to be sure which asset
• Get Asset Scores: An asset's Galaxy Score and AltRank, with the components behind each. Galaxy Score is a composite of social and market health on a 0-100 scale; AltRank is relative standing against t
• Get Asset Fundamentals: Get the full fundamental brief for an asset: market snapshot, supply and valuation, project, TVL, revenue, treasury, security, governance, unlock schedule, derivatives position

Onymu

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Community: Submitted by a user or imported; check the owner before granting access

Onymu is an MCP server for domain name search, domain availability checking, and social media username lookup.

• Search Domains: Check whether names are available, across many extensions at once. This is the main tool: availability is read from a registry-derived list of every registered domain, refreshed daily,
• Check Usernames: Check whether a username is free on X, Instagram, Facebook, YouTube, TikTok, Snapchat, Pinterest, LinkedIn, Discord, GitHub, Telegram and Twitch, and how many apps already carry the n
• Generate Domains: Turn a keyword into brandable name candidates that are free to register. Generation is deterministic — no model is involved, so the same keyword always produces the same candidates —

onyx-mcp

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Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.

Oolkin

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AI colleagues that keep your standards, your project and their reasoning between sessions

Ooni

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Internet censorship and website reachability: OONI network measurements, keyless

opc-mcp-server

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

OPC UA Modeler

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OPC UA companion spec types, namespace dependencies, and engineering units for AI agents