Servers with an HTTPS address: nothing to install locally, just paste the URL into your client's settings. Each one is health-checked on a schedule.
Sato Hub gives AI assistants and agents structured access to the onchain agent ecosystem.
- Onchain Agent Search Resources: Search the Onchain Agent directory of onchain agents, frameworks, skills, and tooling. Filters: query (free text, AND-matched terms), chain, status, liveness, featured,
- Onchain Agent Get Resource: Get the full record for one directory resource by slug, optionally with its recent activity feed (releases/posts). Use onchain_agent_search_resources first to find a slug.
- Onchain Agent Get Deploy Spec: Get the structured deploy manifest for one resource by slug — the essential, install-and-instantiate information an agent needs to BUILD from it: runtime, install comman
Docs & Notes · No sign-in · Free
Pay-per-call compliance via x402: wallet sanctions, OFAC name, UK + US company verification.
Development · No sign-in · Free
AI-powered medical document management for cancer patients.
Docs & Notes · No sign-in · Free
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.
Development · No sign-in · Free
Shared memory for a team in Claude Code: what one person records, everyone has.
Development · No sign-in · Free
Cross-device AI memory with encrypted activity capture and context handoff between AI tools
Development · No sign-in · Free
Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.
Development · No sign-in · Free
Persistent, governed institutional memory for Claude Code — specs, decisions, learnings.
Development · API key required · Free
Query OneLens cloud-cost data in natural language: breakdowns, trends, cost centers.
Development · No sign-in · Free
Shared project context for AI agents and teams: docs, tasks, and messages that stay current.
Tasks & Projects · No sign-in · Free
Live market data, signals, positions, and macro analysis for crypto, KR stocks, and US stocks.
Finance & Payments · API key required · Free
@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
Docs & Notes · No sign-in · Free
ONET MCP — wraps the ONET Web Services (US DOL) occupation taxonomy
Development · No sign-in · Free
Project portfolio management for PMOs.
Tasks & Projects · No sign-in · Free
ONR: Mapa do Registro de Imóveis, official-source lookup.
Development · No sign-in · Free
Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.
Finance & Payments · No sign-in · Free
Audit x402 buyer discovery free; publish signed provider profiles with MCP and Bazaar evidence.
Development · No sign-in · Free
On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)
Development · No sign-in · Free
Clean Markdown and AI-readability scoring for any URL.
Docs & Notes · No sign-in · Free
Log, evaluate, and ground AI decisions against authority context.
Development · API key required · Free
Architecture-grounded query for AI agents.
Development · API key required · Free
Knowledge coverage map and health score.
Docs & Notes · API key required · Free
Crypto fundamental analysis, sentiment and whale tracking for traders and AI agents.
Finance & Payments · No sign-in · Free
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
Finance & Payments · No sign-in · Free
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 —
Development · No sign-in · Free
Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.
Development · No sign-in · Free
AI colleagues that keep your standards, your project and their reasoning between sessions
Tasks & Projects · No sign-in · Free
Internet censorship and website reachability: OONI network measurements, keyless
Development · No sign-in · Free
OPC Suite — CRM, sales, inventory, accounting, HRM, payroll, claims, projects from any AI agent.
CRM & Sales · No sign-in · Free
OPC UA companion spec types, namespace dependencies, and engineering units for AI agents
Development · No sign-in · Free