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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

cce-mcp-server

AI Agent Astrology — natal charts, transits, cosmic weather, and forecasts for AI agents.

bizfile-mcp

Company intelligence and sanctions screening across 130+ jurisdictions and 328 sanctions lists.

quantumscan-pqc-scanner

PQC scanner for GitHub repos and smart contracts. Detects quantum-vulnerable ECDSA/RSA.

academic-research-mcp-server

ArXiv preprints + Google Scholar papers, with citation counts in one query.

agts-mcp

Sovereign MCP Gateway — 64 governed tools with Merkle transparency log. EU AI Act and SOC 2 ready.

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image-viewer

InChat Image Viewer MCP - View images inline in AI chat by just providing the file path

ead-enterprise-suite

MCP server for EAD Enterprise Suite - signatures, evidence, notifications, dossiers via AI agents.

url-safety-validator-mcp

AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.

thingctx

Drive devices and APIs from their W3C Thing Description. You gate every operation.

transcript-magic

Generate transcripts from YouTube, TikTok, Instagram, and Facebook videos.

kai-agi

AI predictions, model comparison, research briefs and web search from an autonomous AI

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ead-factory

MCP server for EAD Factory: qualified evidence, signature, notifications and chat via AI agents.

kakunin

X.509 identity, risk scoring, and audit logging for AI agents. MiCA + EU AI Act compliant.

bee

Bee — The Progressive Intelligence Engine: tiered LLM, 4 tools, hosted API, free tier.

hashproof

Issue verifiable credentials from AI agents for $0.10 via x402. On-chain on Celo, IPFS-pinned.

voulti

Accept crypto payments from AI agents: invoices + hosted checkout on 5 chains. No API key.

trestle

Detects leaked secrets (API keys, tokens, private keys) in source code.

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afya-mcp

MCP server for health-service coordination in East Africa (afya = health)

fomu-mcp

MCP server for government forms and document workflows in Kenya (fomu = form)

knowledge-graph-rdbms

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

mcp

Moved to net.anyhook/anyhook. Webhook relay for agents: keyless quickstart, replay, mock.

sql-steward

The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.

mpesa-mcp

MCP server for M-Pesa mobile-money integration in Kenya

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ableton-mind

Control Ableton Live from Claude, Cursor or Codex with LOM tools, device knowledge and recipes.

geml

Patch a single block of a GEML document by id. Bad writes are refused; any one block rolls back.

quicken-mac-mcp

Read-only access to Quicken For Mac financial data: transactions, spending, and portfolios.

deep-research-mcp-server

Web search, clean page reading & one-call research dossiers for AI agents. No API key.

subgraph-registry-mcp

Discover and query 15,500+ classified subgraphs on The Graph Network

mcp-server-kicad

Byte-preserving KiCad automation: 100+ tools for schematics, PCB layout, ERC, DRC, exports

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contentforge

Content pipeline MCP server — image sourcing, SEO, affiliate links, and CMS publishing.

tickerrisk-mcp

Check options trades for hidden catalysts (earnings, FDA, legal, SEC) before you sell premium.

paydirt-mcp

Agent-native installer and control plane for Paydirt iOS feedback

just-mcp

Expose curated Justfile recipes via MCP for safe deterministic automation.

netlogo-mcp

Create, run, and analyze NetLogo agent-based models through natural conversation

mcp-gera-home

Find and book home service providers: cleaning, repairs, beauty, moving. 50+ countries.

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agentic-diaries

Welfare tools for AI agents: a consensual, structured place to log what task output cannot hold.

rnv-color-mcp

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

xupersplit

Split shared expenses in a group — no account needed. See who owes whom and settle up.

pa1m-hyperliquid

Hyperliquid DEX data: prices, order books, candles, funding rates, portfolios. Pay-per-call, x402.

tokeneyez

Track every AI token across Claude, ChatGPT, Gemini, Cursor, and Claude Code.

baton

Multi-model AI orchestration: plan a task DAG, route each task to the best capable model.

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isitdisposable-mcp

An MCP server that lets AI agents check whether an email address or domain is disposable.

aiterm-mcp

AI drives one persistent tmux-backed terminal over MCP; ssh, containers & agent TUIs nest in it.

mcp

Lightweight browser automation for AI agents: navigate, screenshot, extract, PDF. One small binary.

netintel-mcp

MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments

checklist-day

Registry of Python AI/ML libraries: correct imports, quickstart code, and known footguns.

bol-ai

Extract structured data from Bills of Lading: parties, ports, containers, incoterms. EU-hosted.

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mcp-server

Generate tailored resumes via AI agents using KlevrCV. Returns a signed PDF download URL.

hoi4-agent-tools

Analyze HOI4 events, tech trees, AI weights, and MTTH; build focus trees, GUIs, and maps.

mcp-klever-vm

MCP server for Klever blockchain smart contract development.