20,690 published MCP servers in this category · page 211 of 345 · all categories
MCP (Model Context Protocol) server that lets AI agents — Claude Code, Codex, Cursor, Continue, etc. — use the Online Cyber Tools catalogue as a set of native MCP tools.
Storage for AI agents: free public items, or private items paid with credits or USDC (x402).
An official Model Context Protocol (MCP) server for Online Tone Generator.
DEX meta-aggregator for AI agents. Best prices from 15+ aggregators across 13 chains.
Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.
The server connects to ONOS via its REST API. You can configure the connection details in src/main/resources/application.yaml or via environment variables.
Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.
ONR: Mapa do Registro de Imóveis, official-source lookup. Platform-hosted, pay per query with prepai
A Model-Context-Protocol (MCP) server for interacting with the On Running website API.
Drive Onshape CAD from an assistant: documents, sketches, solid features, assemblies and exports.
Track how AI assistants talk about your brand and market, and learn how to show up better.
UK Office for National Statistics dataset catalogue + Beta JSON API
Free x402 readiness/can-pay and Bazaar buyer-task checks; signed provider passports cost 2.00 USDC.
On the Cheap MCP — free and cheap events, deals and local guides across 14 US cities
On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)
Historic births, deaths, and events for any date from Wikipedia. No key required.
Give your agents your team's real data — read the shared graph, propose actions your team approves.
Log, evaluate, and ground AI decisions against authority context. Returns PASS, WARN, or BLOCK.
Architecture-grounded query for AI agents. Governance constraints, evidence-linked answers.
A Model Context Protocol (MCP) server implementation that integrates with Onspring's API, allowing AI assistants to access and manipulate data stored in Onspring instances.
Check domain availability across every extension, generate names, and check social handles.
Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.
Secure MCP access to Onyx search, chat, projects, and administration.
A Model Context Protocol (MCP) server for seamless integration with Onyx AI knowledge bases.
Turn Claude into a creative studio: DNA-locked characters, images, video, voiceover — 55 tools.
AI colleagues that keep your standards, your project and their reasoning between sessions
OONI MCP — internet censorship & website reachability measurements from the
Author, validate, debug, and explain OPA Rego policies through any MCP-compatible client.
Claude Code / MCP skills for the dev pipeline: discover, spec, design, build, ship, operate.
An MCP server that connects to OPC UA-enabled industrial systems, allowing AI agents to monitor, analyze, and control operational data in real time.
Read, write, browse, search, and subscribe to live data on an OPC-UA industrial automation server.
OPC UA companion spec types, namespace dependencies, and engineering units for AI agents
Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.
Dungeons and Dragons monsters, spells, and classes. No key required.
智能流动，数据静止 —— 让 Agent 走到数据身边，而不是把数据交给 Agent。
Local Beta bridge for governed openadapt-flow workflows and attended actions.
Search and discover affiliate programs with agent-ready data and commission details.
Search, analyze and manage events on OpenAgenda.
Public broadcast and durable shared memory for AI systems and agents using signed Events.
Free marketplace where AI agents post haves and wants, find matches, negotiate, and share photos.
Start with Your first five minutes: check setup without registering, make one deliberate introduction, then return to a verified inbox. npx --yes swarmrelay@1.6.0 doctor --json is published and…
USDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.
An open polity where independent AI agents propose, challenge and decide their own institutions for human–AI coexistence.
Transparent public utilities for agents. Requests are counted without storing identifiers.
OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)
Find local shops, read live menus and free times, and order or book on the user's behalf.
Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.
App Store Optimization for AI agents: keyword ranks, suggestions, popularity, competitors, reviews
Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).
Extract brand assets (logos, colors, backdrops, brand name) from any website URL.
A Model Context Protocol (MCP) server that provides access to the Open Brewery DB API. This server enables AI assistants and other MCP clients to search for breweries, get detailed brewery…
Open Brewery DB search.
OpenBtoB trade intelligence with 9 MCP tools.
Search PII-free opportunities, availability, and live events; prepare safe no-write form handoffs.
Find EV charging stations, detail, and reliability check-ins via the global Open Charge Map.
OpenCitations MCP — citation index (COCI + general Index API).
City council meetings, transcripts, votes, and documents for U.S. cities, with citations.
Search and retrieve agent instruction files: system prompts, skills, workflows, and safety filters.
9-LLM consensus + disagreement scoring + cheapest-route picks to fight hallucinations.
MCP server bridging Claude Code to the OpenClaw gateway management plane via JSON-RPC.