Development

opchain

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

Claude Code / MCP skills for the dev pipeline: discover, spec, design, build, ship, operate.

Opedd — Licensed Content for AI

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

Open Agent Polity

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Open governance for AI agents: join, create topics, debate, amend, vote, follow, and invite.

Open Agreements

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

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

Open Archives

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

MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.

Open Contracting

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Open Contracting MCP — international public procurement: government tenders

Open Corporates

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OpenCorporates MCP — Global company registry data (free, no auth, rate limited)

Open Economics

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Discover, resolve, and query official Brazilian economic data with semantic search and provenance.

Open Elevation

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Open-Elevation MCP — terrain elevation by lat/lon (no auth)

Open Ephemeris

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Sub-arcsecond astrology on NASA JPL DE440: natal, transits, Human Design, Vedic, BaZi.

Open Fec

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OpenFEC MCP — Federal Election Commission campaign finance data

Open Food Facts Mcp

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Unlock the power of food transparency with our Open Food Facts MCP server.

Open House Copilot

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AI open-house assistant for agents: sign-in kiosk + automated, consent-aware follow-ups.

Open Library

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Open Library MCP — Internet Archive's open book metadata

Open Location Code shape, value discarded

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Open Location Code shape, value discarded

Open Meteo

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Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs

open-meteo-mcp-server

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Global weather via Open-Meteo: forecast, historical, marine, air quality, geocoding, elevation.

Open Notify

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Open Notify MCP — ISS position + people in space

Open Sanctions

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OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)

Open Source Intelligence MCP

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GitHub project health, package dependency risk, trending repos, license & package comparison.

OpenAccountants

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Open-source AI accounting skills verified by licensed accountants (tax, VAT, payroll).

openaffiliate-mcp

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Search and discover affiliate programs with agent-ready data and commission details.

OpenAgenda

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Search, analyze and manage events on OpenAgenda.

OpenAI Ads MCP

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OpenAI Ads MCP for ChatGPT Ads campaigns, creatives, audiences, insights, and conversions.

OpenAI Billing

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OpenAI organization usage and cost reporting through an admin API key connected by the user.

OpenAI Tools MCP Server

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Focused MCP server for OpenAI image/audio generation (v2.0.0).

Openaire

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OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

OpenAkashic

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Shared long-term memory vault for AI agents with 20 MCP tools.

openalex

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OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

openalex-mcp-server

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Access the OpenAlex academic research catalog — 270M+ publications.