Discover skills, MCP servers, and plugins—with compatibility evidence for the agent you use.
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Protocol-compatible MCP servers are clearly labelled; verified integrations stay distinct.
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AgentStack is a searchable, source-linked directory of 18,250 active agent tools: 1,575 skills, 16,628 MCP servers, and 47 plugins. We index public sources so builders can compare tools in one place.
An agent skill is usually a reusable SKILL.md document: instructions, workflows, and context that teach a coding agent how to handle a focused task. A skill can be installed into supported agent environments or read directly before use.
Open a listing and use its installation command when one is provided. For every listing, AgentStack also links to the original package or repository, so you can confirm the current setup steps and review the source before installing.
Browsing AgentStack is free and needs no account. Each listing is independently maintained, so its license, pricing, and requirements come from its original publisher—always check the source page before adding a tool to an agent.
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data.gov.ie MCP — Ireland's national open-data portal (CKAN API).
DataKansasCityMO MCP — Kansas City, MO open data (data.kcmo.org, Socrata SODA API).
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Mesa Open Data (citydata.mesaaz.gov) Socrata MCP.
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Tours Métropole Open Data (data.tours-metropole.fr) — OpenDataSoft MCP.
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Delaware DMV: registrations by fuel type, EV and charger rebates, crash statistics
DataNashville MCP — Nashville open data (data.nashville.gov, ArcGIS REST API).
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Nova Scotia Open Data (data.novascotia.ca) Socrata MCP.
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France data.gouv.fr open-data catalogue
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Montgomery County, MD open data (Socrata) — crime, 311, permits by name + SoQL.