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26,784 MCP servers
Vendor-operated and community listings, with live-check and source-verification states shown independently.
| Server | Type | Category | Access | Setup |
|---|---|---|---|---|
OpenWeb Ninja MCPAn official MCP server that provides AI agents with real-time access to over 50 OpenWeb Ninja APIs. | CommunityPackage | Data and analytics | Source reviewed | |
openwein.de MCPAn MCP server providing read-only access to a directory of approximately 5,900 German wineries, 658 wine towns, and 13 growing regions. | VendorRemote HTTP | Data and analytics | No sign-in | |
OpenWork MCP GatewayThe OpenWork MCP Gateway provides a unified OAuth-enabled endpoint for agents to access an organization's skills, plugins, workflows, and connections. | VendorRemote HTTP | Developer tools | OAuth sign-in | |
OpenWorkProof MCPOpenWorkProof is an open protocol for AI agent work contracts and verifiable execution. | CommunityPackage | Developer tools | Source reviewed | |
OpenZIM MCPA Model Context Protocol server that provides AI models with structured, offline access to ZIM format knowledge archives such as Wikipedia, Wiktionary, and Stack Exchange. | CommunityPackage | Documentation and reference | Source reviewed | |
open-zk-kb MCPA community-built MCP server providing shared, persistent memory for AI assistants using the Zettelkasten method. | CommunityPackage | Developer tools | Source reviewed | |
operant-mcpAn open-source MCP server that integrates 51 security testing tools into AI agents, enabling capabilities such as penetration testing, network forensics, memory analysis, and… | CommunityPackage | Developer tools | Source reviewed | |
operant-mcpA read-only MCP server for the OPERANT AI operating-agent calibration benchmark, which measures whether an LLM agent makes correct operating decisions rather than its ability to… | CommunityPackage | AI and machine learning | Source reviewed | |
Operative Intelligence AI Adoption MCPA read-only MCP server that advises on AI adoption in work processes. | VendorRemote HTTP | Productivity and knowledge | No sign-in | |
OperatorNest MCPOperatorNest provides an official MCP server offering five calculators for estimating AI API costs, finding meeting time zone overlaps, planning recurring schedules, and matching… | VendorRemote HTTP | Productivity and knowledge | No sign-in | |
OperStack MCPOperStack provides a free remote MCP server that allows AI assistants to measure a public website's visibility to AI answer engines. | VendorRemote HTTP | AI and machine learning | No sign-in | |
Ophir MCPAn MCP server implementing the Ophir protocol for AI agents to autonomously discover service providers, negotiate prices, agree on service quality via SLAs, and settle… | CommunityPackage | AI and machine learning | Source reviewed |
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Remote listings are live-checked and re-checked weekly. Local packages are validated from their attributed registry or catalog source and are never executed by Koskamo. Community and vendor evidence are labelled separately.
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