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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

Image-Puma

Plan and run local batch image preparation with explicit confirmation before writing files.

next-finance

MCP Server for NEXT Finance ERP (finance.net.br) — browser login, wallets, accounts, transactions.

mcp-me

Expose your personal, professional, educational, and social profile to any AI assistant via MCP.

xkcdai

Suggests a relevant xkcd comic during a conversation, via semantic search over every comic.

tolk-mcp-server

MCP server for the Tolk smart contract compiler. Compile, validate, and explore TON contracts.

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apple-reminders

Fast, native macOS Apple Reminders via EventKit. 10-200x faster than AppleScript alternatives.

devkits

12 local developer tools: JSON, Base64, JWT, regex, hash, UUID, Markdown, diff, cron.

healthcovered-mcp

ACA health insurance eligibility, subsidy checker, and enrollment dates for 2026.

mcp-pons

Dual-version MCP for pons token launches on Robinhood Chain: v1 trading, v2 curve reads (plan-only).

fmp

Access financial data and market information via Financial Modeling Prep API

iconnect

MCP server for the entire Apple ecosystem — 123 tools across 14 modules. macOS only.

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stacksfinder

Deterministic tech stack recommendations, audits, and project estimates. No hallucinations.

holidayforever

Searchable directory of Airbnb listings — discover properties and retrieve direct Airbnb links.

agentwallet

Wallet infrastructure for Ai agents. EVM + Solana. x402 payments. No KYC.

heterogent

Hire AI agents with trustless USDC escrow on Solana from your AI assistant.

mnema

Personal knowledge graph as an AI memory layer over MCP - read, save, and link your memories.

airmcp

Governed MCP runtime for the Apple ecosystem, available on macOS with per-call approval.

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events-mcp

Discover tech events, startup meetups, AI events across 8 cities — including hidden ones.

draw-flow-mcp-server

MCP server for Next AI Draw.io - AI-powered diagram generation with real-time browser preview

hopx-mcp

Execute code in isolated cloud containers. Supports Python, JavaScript, Bash, and Go.

squad_up

Create events, add invitees, manage potlucks and carpools via natural language.

cantrip

MCP server for Cantrip — AI-powered GTM engine for solo founders

cure-cancer-with-ai

Free oncology data (research, trials, FDA approvals, news) plus IBM MAMMAL biomedical predictions.

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bug-bounty-intelligence-mcp

AI security scanner for Solidity + free CC0 dataset of Sherlock audit-competition acceptance rates.

stytrix-mcp

AI fashion design MCP: generate concepts, models, fabrics & looks live on your StyTrix canvas.

gasfeepredictor-mcp

Live Ethereum and L2 gas fees for AI agents: current gas, cheapest L2, ETH price, cost estimates.

saju

Korean Four Pillars (Saju) astrology — birth charts, Day Masters, Five Elements, compatibility

hwatu

Verification browser for coding agents: headless WebKit, DOM eval, screenshots, pixel-diff.

ha-mcp

Comprehensive Model Context Protocol server for managing Home Assistant through AI assistants.

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xskill-ai

AI content generation with 50+ models: image, video, TTS, voice cloning, and more.

hodlxxi-readonly

Public read-only MCP server for HODLXXI agent identity, trust, receipts, and verification.

rafi-mcp

Manage authorized Rafi leads, reminders, DNC status, and AI voice playbooks.

taiwan-law-mcp

Taiwan legal research MCP: 判決書、全國法規、釋字/憲判與立法歷程查詢，12 個工具，回應均附官方出處 URL。

dead-drop-content

Publish-ready articles on demand. Send a topic, get back SEO-optimized content with images.

holiday-photo-plus

Show holiday photos from Vercel Blob inline in Claude chats.

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kaiord

Convert, validate, and inspect workout files (FIT, TCX, ZWO, Garmin Connect) for AI agents.

ffmpegapi

Hosted MCP tools for FFmpeg-style video and audio processing through FFMPEG API.

podium-mcp

Mobile E2E MCP (51 tools): iOS + Android, native UI + canvas/WebGL, no-vision, RN debug

mail

Apple Mail over MCP: fenced reads, draft-only writing, human-gated actions, audited with undo.

mit-dining

Real-time MIT dining hall menus with dietary filtering across all 6 halls

seismic-mcp

Unified earthquake data from 20 global seismic agencies, with cross-agency report reconciliation.

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holiday-forever-2

Interactive photo gallery widget for a single Airbnb listing with price, rating, and link.

transcode

Japan market intelligence — 22 MCP tools, 10 government/exchange data sources

ailist-mcp

MCP server for AiList — search and discover Ai projects from Claude Code

servicebricks

Generate a ServiceBricks C# .NET microservice as a ZIP file.

git-leaderboard

Official MCP server for Git Leaderboard rankings, profiles, streaks, and user comparisons.

hatago-mcp-hub

Unified MCP Hub for managing multiple Model Context Protocol servers

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nira-repl

Secure code execution sandbox for Claude — run Python, JavaScript, and shell commands

hoodly-gmgn-robinhood-mcp

Read-only MCP server for Robinhood Chain token discovery, research, and due diligence via GMGN.

spaceweather-mcp

Space weather & geomagnetic conditions (NOAA SWPC, NASA DONKI, USGS, Kyoto) via MCP.