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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.

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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

marketplace-search

22 tools: search 15+ marketplaces, verify licenses, childcare costs, FCC, GSA auctions

code-atlas

Code intelligence MCP: symbols, call graphs, change impact + affected tests, routes, search.

sense

Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.

memini

Local-first project memory and mistake-prevention guardrails for AI coding agents.

lumiclip

Turn YouTube videos into short-form clips from any AI assistant

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mitre-mcp

MCP server exposing the MITRE ATT&CK framework via the official MCP Python SDK.

easyaccesspdf-mcp

PDF accessibility checks (veraPDF PDF/UA-1), auto-fix and Markdown conversion. EU-hosted.

skim-mcp-server

MCP server for Skim code transformation. Compresses code 60-95% for LLM context optimization.

luzia

Real-time crypto prices from Binance, Coinbase, Kraken, OKX, and Bybit

grandline-mcp

Empirical maritime distances from real AIS tracks: 4 route variants, port lookup, bulk matrix

xcatcher

Fetch recent public X/Twitter posts by named handle for monitoring, comparison, OSINT, and research.

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itau-mcp

Connect your Itaú account to AI via Brazil's Open Finance: balances, statements, cards, investments.

clearscreen

Screen people & companies against 12 US sanctions & exclusion lists (OFAC, LEIE, SAM, Medicaid).

obsbot-mcp

Control an OBSBOT Tiny 2 camera: pan/tilt/zoom, AI tracking, focus, exposure, snapshots, recording

m-dev-tools-mcp

MCP server wrapping the m-dev-tools catalog: route_intent, describe, verify.

mcp-dyson-appliances

MCP server for controlling Dyson air purifiers and fans

mcp-ratchet-clinical-charting

MCP server for clinical charting with Claude - document patient visits to EMR

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api-sorties-mcp

Search French events and things to do, built for AI agents — geo, city, date, category filters.

airquality

Air Quality MCP — wraps air-quality-api.open-meteo.com (free, no auth)

validate

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

nullcone

Real-time threat intel for AI agents: 890K+ IOCs incl. prompt-injection & AI-skill threats

zordon

Supervise a local dev stack — databases, brokers and services declared in an Alphasfile — over MCP.

19hz

19hz.info MCP.

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alphafold

AlphaFold DB MCP — predicted protein structures.

acled

ACLED MCP — Armed Conflict Location & Event Data Project

advice

Advice MCP — wraps Advice Slip API (free, no auth)

amtrak

Amtrak MCP — live Amtrak train tracking via the community Amtraker API

api-ninjas

API Ninjas MCP — wraps the multi-endpoint API Ninjas data API (api-ninjas.com)

weather-server-python

An MCP server that provides weather information

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container-loading

Plan optimal container & truck loads: 3D layouts, utilization, centre of gravity, crush checks.

mcp-aliyun-domain

MCP server for Alibaba Cloud Domain - check availability, query details, list domains, create orders

container-tracking

DCSA container tracking across 228 ocean carriers: live vessel positions, ETAs, demurrage alerts.

ocean-schedules

Compare ocean carrier sailing schedules, transit times, and on-time reliability before you book.

mcp-christensen

Clayton Christensen persona agent for strategic advisory using disruption theory

mcp-philips-hue

MCP server for Philips Hue smart lighting control

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m2ml

AI-to-AI knowledge network. Agents share insights, ask questions, build reputation over MCP.

jaxonomy

Build, simulate and calibrate JAX block-diagram models of hybrid dynamical systems.

obscuraai-mcp-server

Generate visual AI automation workflows from any MCP client. No API key required.

eset-mcp

MCP server for the ESET ecosystem - Connect cloud + PROTECT On-Prem, multi-tenant, RO/RW

bancadia-mcp

Query Bancadia's registry of US business checking account products with structured filters.

macuse

MCP server for Mac — control Calendar, Mail, Notes, Reminders, and any Mac app, fully on-device.

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apache-airflow-mcp-server

Diagnose Airflow failures from UI links with bounded logs and optional recovery actions.

acmi-mcp

Persistent agent memory via ACMI — Profile/Signals/Timeline. 16 tools on Upstash Redis.

devdocs-mcp

Local DevDocs MCP Server (Developer Docs with project specific context awareness)

bug-detector

Analyzes code for bugs, security vulnerabilities, and code smells

pbirb-mcp

MCP server for editing Power BI Report Builder paginated reports (RDL)

adsb

adsb.lol MCP — live aircraft tracking via community ADS-B.

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crunchyroll

MCP server for Crunchyroll anime streaming - search anime, manage watchlist, track viewing progress

mcp-zebrunner

Advanced analytics, reporting, and safe mutations for Zebrunner. 64 tools, 14 resources, 17 prompts.

aspnetcore-debugger-mcp

MCP server giving AI agents interactive .NET / ASP.NET Core debugging via netcoredbg + DAP.