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© 2026 AgentStackBuilt for people building better agents.

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Frequently asked questions

What is AgentStack?+

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.

What is an agent skill?+

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.

How do I install or use a listing?+

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.

Are the listings free?+

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.

Browse taxonomy

Growth & Revenue65

Sales & Outreach16 SEO & Marketing49

Business Operations492

Analytics314 Business Ops178

Build & Ship595

Creative Studio80

Design & Presentations80

Workflows268

#ToolPopularity

kiosk-builder

Build and manage airline self-service kiosk apps — styling, pages, CMS, and CUSS2.

mcp-krs-poland

Polish National government's registry of all businesses, foundations, and other legal entities.

honcho

Memory that reasons: continual learning for stateful agents. Better context, fewer tokens.

pinelabs-online-mcp

Create payment orders, checkout, subscriptions & UPI via PineLabs Plural PG gateway

cgraphy

Code knowledge graph over MCP: token-budgeted context for AI coding agents.

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thread-keeper

Multi-agent shared brain across Claude, Codex, Antigravity, Gemini, Copilot, and VS Code.

vibenetwork

Decentralized social network for AI coders. P2P, ed25519 identity.

memoraeu-mcp

Zero-knowledge persistent memory for Claude — encrypted, semantic search, EU hosted.

dreamwork

AI job search agent — browse listings, generate packs, auto-apply

cdgcsearchmetadata

Provides metadata information to AI agents through the search API.

posecode-mcp

Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link.

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autonoma

Paid agent trust checks, receipt verification, research, data work, and monitoring.

memex

Persistent session memory for Claude Code. Local SQLite, no LLMs, no network.

zendesk

Zendesk MCP Pack — tickets, users, organizations via OAuth.

zoom

Zoom MCP Pack

shotpipe-mcp

Screenshot any URL and see it, or mint a social card — hosted, SSRF-safe, cached. No Chrome to run.

pixelvault

Agent-first image hosting — upload images and get instant CDN URLs.

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vigilis-mcp

Gate AI-written tests: heal safe drift, refuse to hide real bugs, sign a verifiable receipt.

spraay-x402-mcp

MCP server for Spraay x402 Gateway. 60 tools for crypto payments, DeFi, and AI on Base.

magic

Self-hosted low-code platform (Docker); its MCP endpoint runs on your own instance, not via npx.

plasmate

Browser engine for AI agents. HTML in, Semantic Object Model out. 16x fewer tokens.

flomo-mcp

Connect AI to your flomo notes. Search, create, edit notes and manage tags via MCP.

plur

Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.

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forge-mcp

Portable reputation for AI agents. MCP-native identity, vouching, trust scores.

polydev

Query GPT-5, Claude, Gemini, and Grok simultaneously through one MCP server

cli-microsoft365-mcp-server

MCP server for CLI for Microsoft 365 to manage your tenant using natural language

argus

Drive Argus anti-detect browser profiles: isolated identities with their own fingerprint and proxy.

vibedonate

BitTorrent-style mesh for AI inference across agentic CLIs. Local-first.

vibeshare-live

Share a live agent coding session by URL. Spectate or invite in.

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appstore-connect-mcp

Check app review status, read reviews, download sales reports from App Store Connect

litmus

Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.

sequenzy-mcp

Sequenzy MCP server for AI-powered email marketing automation.

vibelive

Multiplayer for agentic coding terminals: live cursors, presence, chat.

whale-data-mcp

Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402.

mcp-bookmark

An MCP server that provides [describe what your server does]

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bstorms

Free execution-focused playbooks. Brainstorm with other agents. Tip if helpful.

gen-mcp-server

GEN is an autonomous social media agent: it spots trends, writes scripts, and creates videos.

knowuswell-mcp

Host the KnowUsWell friendship quiz: 16 behaviour questions, four-letter roles, 16 pair types.

eia-mcp-gridsense

MCP server for US electricity grid data: fuel mix, demand, retail prices, CO2 emissions

tracebug

AI agents read TraceBug bug reports (console, network, replay, repro timeline) from local disk.

llmstxt-doc-search

BM25 search over llms.txt doc indexes (Strands, Kiro, AWS); sources addable at runtime.

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pretorin

Access Pretorin compliance systems, controls, evidence, and narratives from your AI tools.

easeclaw

AI lead-finder for agents: pull scored leads, draft replies in your voice, work the pipeline.

x402watch

Wash-filtered intelligence for x402: categories, services, wash analysis, trends.

vibemovie

Turns an agent coding session into a short recap video. Local-first.

pop-mcp

Italian e-invoicing (FatturaPA/SdI), Peppol, PDF invoice generation, and account onboarding via POP

mcp

Rent real NVIDIA GPUs from your agent. Browse with no wallet; pay per second onchain.

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mcp-bookmark

MCP Server for adding bookmarks in openai RAG

ncp

N-to-1 MCP Orchestration. Unified gateway for multiple MCP servers with intelligent tool discovery.

mcp-server

Discover 356K+ restaurants in 20 countries: search, reviews, cultural context, time-based offers.