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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

shelbymcp

Knowledge-graph memory server for AI tools via MCP

slacking-biz

75 MCP tools: SEC financials, FRED economics, IRS 990, FDA, FX, UK Companies House.

apphandoff

Milestones, handoff tickets, project context, and deploy signals for AI-built apps over MCP.

canyougrab

Confidence-scored domain availability checking for AI agents via CanYouGrab.it

pubmed-mcp-server

Search 36M+ PubMed biomedical articles and ClinicalTrials.gov studies.

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us-census-mcp-server

Query US Census Bureau data: demographics, economics, and housing statistics.

spines

Access book collections, reading lists, and bookshelf recognition from AI assistants.

myopic

Code-review MCP: review a GitLab MR or GitHub PR against the whole codebase, not just the diff.

video-reader-mcp

Evidence-first video MCP. Timeline document with ffprobe streams and subtitle cues.

mcp

MCP server for SwapAPI - get executable token swap calldata for EVM chains

krexel-mcp

Ship and edit static sites from any MCP-compatible AI. The AI is the brain; Krexel is the hands.

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one-shot-ui

Deterministic UI extraction and screenshot diffing for AI coding agents.

xojo-mcp

MCP server for controlling the Xojo IDE on macOS

mcp-server

Compare, estimate, and deploy cloud infrastructure across AWS, GCP, and Azure for AI agents.

pentest-mcp-server

Offline methodology engine for authorized penetration testing, CTF, and security research.

nano-pay

Pay for x402-priced APIs with feeless, sub-second Nano (XNO) micropayments from a local wallet.

conformy

EU AI Act & NIS2 compliance — classify AI systems, check obligations, draft docs.

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gptbot-food-calendar

Use TrueCal from AI agents to review progress, meals, targets, trends, and supported updates.

NoteFlow-MCP

An MCP server that used to create notes

tavily-mcp-server

FastMCP server for Tavily search API with web search and content extraction

ghostqa

AI personas navigate your web app in real browsers, find bugs and UX issues. No scripts needed.

historis

The memory of your business: an event-based CRM your assistant reads and writes, dated and signed.

image-reader-mcp

Evidence-first image MCP. Agent Media Twin with metadata and citeable OCR evidence.

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puckapi

The hockey data API. Stats, odds, and everything between. REST API and MCP server.

reftrixmcp

Web design analysis with 26 MCP tools: layout, motion, quality, semantic search via pgvector

smart-reader-mcp

Sniff format and delegate to Sylphx Reader siblings for unified media read.

trademark-search

Search 13.7M+ USPTO trademarks. Clearance, phonetic matching, TTAB stats, analytics.

tarotoo-mcp-server

All 78 tarot card meanings (Rider-Waite-Smith): lookup, search, yes/no answers, and random draws.

indiamart-mcp-server

Claude AI for IndiaMART leads - fetch, search, sync and track pipeline.

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tarteel-mcp-server

Quran MCP server for translation, tafsir, mutashabihat, recitation playlists, and prayer times.

x402-triage-mcp

MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff.

openfda-mcp-server

Search FDA safety data: drug adverse events, recalls, and device events.

world-bank-mcp-server

Access World Bank development indicators for 200+ countries.

getyourguide-mcp

GetYourGuide tours & activities for Claude — search, details, options, and reviews

synclub-dxt

SynClub MCP Server for AI-powered comic creation with script generation and image tools

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faostat-mcp-server

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

codeinspectus

Local-first MCP security scanner and CLI for AI-generated applications.

crochet-engine

Deterministic photo-to-crochet-chart engine: stitch counts, 5 techniques, yarn estimates.

glitch-grow-linkedin-ad-mcp

MCP server for the LinkedIn Marketing API — campaigns, analytics, creatives.

fiatdock-mcp

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.

mcp

European road freight and moving prices: quotes, dated price index, glossary, order submission

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systemr-risk-intelligence

Pre-trade risk validation and position sizing for AI trading agents via G-formula and Iron Fist.

reddit-mcp-server

Reddit MCP server with full read/write - posts, comments, search, and content creation.

brave-search

Brave Search MCP — independent web index (no Google/Bing dependency)

company-data

Read-only data on 3.9M Romanian companies: search, profiles, financials, status, CAEN.

cohearence

Track, curate, and analyze data about your health, habits, and goals.

resistance-tools-mcp

MCP tools for TON Sites, TON DNS and TON Storage.

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eurostat-mcp-server

Access European statistics: GDP, unemployment, inflation, population data.

mcp-server

MCP server for TemplateFox PDF generation API - Generate PDFs from templates via AI assistants

propswot

Property management AI: work orders, vendors, appliances, and triage for Claude and ChatGPT.