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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An AI agent that builds and operates compliance evidence mapping to ensure measurable and validated outcomes in lifelong learning plans for operational governance and oversight.
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An advanced optimization skill specializing in acoustics physics, providing validated computational models and detailed technical analyses for research and industrial applications.
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An expert-level AI skill designed for the design and execution of A/B testing, including feature extraction, outcome prediction, and data visualization using statistical best practices.
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An advanced AI tool for performing research-level acoustics analysis, providing detailed experimental results and physics-based insights.
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An expert-level AI skill for validating A/B testing using data visualization, predictive modeling, and adherence to data-science best practices.
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An intermediate-level data-science skill for implementing A/B testing, including predicting outcomes, hypothesis testing, model building, and producing visualizations following best practices.