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The index

MCP Servers

3752 listingsOFFICIAL · Anthropic   VENDOR · the maker   COMMUNITY · everyone else
MCPCommunity
OneSource MCP

Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs

claudemcp.orgVerified
MCPCommunity
Onshape

Drive Onshape CAD from an assistant: documents, sketches, solid features, assemblies and exports.

claudemcp.orgVerified
MCPCommunity
onsystem

Keeps coding agents on your design system: knows your real components, props, variants and tokens.

claudemcp.orgVerified
MCPCommunity
Onthecheap MCP

On the Cheap MCP — free and cheap events, deals and local guides across 14 US cities

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MCPCommunity
OODS Foundry

OODS Foundry is an object-oriented design system that extends the one you already have.

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MCPCommunity
OokCite

Catch fabricated citations: verify DOIs/ISBNs and format them in 2900+ CSL styles.

claudemcp.orgVerified
MCPCommunity
Oorep MCP

MCP server and TypeScript SDK for OOREP homeopathic repertory and materia medica reference data.

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MCPCommunity
OPA MCP

Author, validate, debug, and explain OPA Rego policies through any MCP-compatible client.

claudemcp.orgVerified
MCPCommunity
OPC UA Modeler

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

claudemcp.orgVerified
MCPCommunity
Opedd — Licensed Content for AI

Licensed, rights-cleared content for AI agents - verifiable license keys + EU AI Act attestation.

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MCPCommunity
Open & Async

Draft decision docs, turn meetings into async artifacts, and triage sync vs async in your editor.

claudemcp.orgVerified
MCPCommunity
Open Agreements

Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment) as DOCX files.

claudemcp.orgVerified