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.
A registry of 5,900+ peer-authored skills any MCP agent can search and load on demand.
Let AI agents inspect, control, and debug real iOS, Android, desktop, and TV apps
Agent-first CAD: editable .kcad.ts source, deterministic review, OpenCASCADE kernel.
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Read-only search of your Sortio knowledge graph (files and entities) for Claude and ChatGPT.
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MCP server for CarsXE vehicle data: VIN, specs, history, images, recalls, and OBD codes.
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The Trade Desk management — CRUD, GraphQL, bulk ops, and async reports
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Reliable web fetching for AI agents with retry, circuit breaker, caching, and anti-bot bypass
AI Reasoning Cache & Consensus Layer with 11 MCP tools via Streamable HTTP.
Angi for Claude — find home-service pros by trade and city, read ratings and reviews
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WA highway conditions, ferry schedules, vessel locations, toll rates, and border waits via MCP.
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Solana wallet & token reputation lookup. Risk verdict, score, DefiLlama TVL, Rugcheck.
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Remote MCP server for HTML-to-PDF and screenshots with OAuth and API-key auth.