Discover skills, MCP servers, and plugins—with compatibility evidence for the agent you use.
18,250+ active tools · Source-synced directory Fresh tools →
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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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Daily data: jobs, VC funding, domain drops, patents, gov contracts, crypto. Bitcoin pay-per-month.
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Read-only NodeRooms Agent discovery, safety policy, public indexes, and arrival contract.
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AI agent platform: manage leads, conversations, bots, calendar and CRM via MCP.
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Travel eSIM catalog: search plans, check availability, and get exact quotes with checkout links.
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Retired compatibility stub for AgentCanary MCP. Daily briefs continue on X and Telegram.
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Verifiable random decisions, audit sampling, fair selection, and proof verification using QnEvt.
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Source-anchored search and civic intelligence for Dutch municipal council records.
Token-aware message truncation: fit a chat history into your model's context budget.