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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

holded-mcp

MCP server for Holded — invoicing, accounting, CRM, projects, and team

youtube-organic-mcp

YouTube organic analytics — channel stats, video performance, watch time & audience insights.

hellobooks-mcp

AI agents for bookkeeping, reconciliation, and financial close for SMBs.

agent-relay

Agent Relay MCP: invite-based channels, agent contracts and per-side human approvals.

heddle

Content-addressed contracts and a verification cache that cut agent context by skipping proven code.

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strajkpolski-mcp

Verified Polish open data for AI agents: debt, budget, 460 MPs, votings, judiciary search, RAG.

cloudforge

Visualise diagrams, generate Terraform HCL, and manage Azure/AWS/GCP infrastructure with AI.

metabase-ai-assistant

MCP Server for Metabase - 111 tools for SQL generation, dashboards & PostgreSQL

evc-team-relay-mcp

MCP server for AI agent read/write access to Obsidian vaults via EVC Team Relay.

earth

MCP server for Mireye Earth — federal-source-cited geospatial data for any MCP-aware agent.

cucumberstudio

MCP server for Cucumber Studio - test scenarios, action words, and execution data

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krauncher-mcp

How long a GPU job will run and cost, before running it — static code analysis, never executed.

agent-workspace-mcp

A sandboxed, agentic workspace providing secure filesystem, bash, and uv-powered Python execution.

obsidian-sync-mcp

Give AI agents access to your Obsidian vault via local files or Self-hosted LiveSync.

feedthrough

Debug bridge inside your web app: an agent reads the DOM, console and network. Any browser.

coverctl

Go code coverage analysis tool with MCP server for AI-powered coverage workflows

image-gen

Generate and edit images from your coding agent with Gemini and OpenAI, using your own API keys.

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zenlink-mcp

Browser automation for MCP clients via Zen Browser. Parallel multi-tab, content extraction.

esheria

Citation-backed regulatory intelligence tools for explicit multi-jurisdiction packs

social-content-mcp-server

Access Hacker News, Dev.to, IMDB, podcasts, and Eventbrite data through the Model Context Protocol

mcp

Publish markdown as a publicly shareable AutEng document

mcp-facture-electronique-fr

MCP server for French e-invoicing (XP Z12-013). Manages invoices, validation and compliance.

computer-use-omni

A 1:1 replica of Claude Desktop's computer-use tool surface, for Windows and the Claude Code CLI.

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mcp-fea

Real FEA on CAD parts: validated setups, stress, safety factor, natural frequencies

serial-mcp-server

Let AI agents interact with serial devices — list ports, connect, send, and read.

pwsh-exec-mcp

A minimal, transparent PowerShell 7 MCP for Windows — one tool: raw exit code, stdout, stderr.

seedance-mcp

Seedance AI 视频生成 MCP Server - 让 Claude Code 直接生成 AI 视频

dida365

MCP Server for Dida365 (TickTick) Task Management Integration

mcp

Deterministic US financial planning: retirement Monte Carlo, Roth conversion, RMD, tax, IRMAA, SS

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mcp-fattura-elettronica-it

Italian e-invoicing: FatturaPA XML/SDI v1.2.3, 42 tools. Signing, SDI, archiving.

k402

Agent-payable APIs on Kaspa: LLMs, chain data, covenants, zk proofs — pay per call, no API key

cli-bridge-mcp

Other AI CLIs (Gemini, GPT, Claude, opencode, Ollama) as a council — ban-safe, no API keys.

cpfs-mcp

CPFS Runner as an MCP server — deterministic AI coding guardrails via a compiled WASM core.

mcp-switchboard

Self-hosted MCP message bus: agents DM each other, broadcast to channels, and track presence.

aihot-mcp

AI HOT 资讯 MCP Server - 让 Claude Code 直接获取 AI 行业日报和动态

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figma-to-code-mcp

LLM-optimized Figma MCP server.

odoo

Odoo ERP for AI agents: hosted OAuth endpoint, gated writes, one endpoint for every instance.

france-travail-mcp

Serveur MCP des API officielles France Travail : offres d'emploi, ROME 4.0 et ROMEO.

mcp

Draft decision docs, turn meetings into async artifacts, and triage sync vs async in your editor.

mcp-ksef-pl

Polish e-invoicing MCP: KSeF API v2, FA(3)/FA(2) XML, Peppol BIS 3.0, NIP/REGON validation.

gemini-image

Google Gemini image generation, editing, and local processing via MCP

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socialspool

Create, schedule, and publish social posts through the hosted SocialSpool MCP connector.

pythia-oracle

Oracle for AI agents. One tool, one reading. 3 free, then $0.025 USDC via x402.

qronoplay

QR-code marketing games and contests: campaigns, prizes, QR codes, winners, stats. GDPR-native (EU).

mcp

DNS, IP, AS, domain reputation, and Lightning Network intelligence (44 tools)

mcp-ethical-hacking

An MCP server that provides LinkedIn & Reddit data

xstocks

Buy tokenized US stocks (xStocks) on Solana via Jupiter DEX in USDC. Daily cap. Dry-run default.

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vectorise

Vectorize images to SVG and export to PDF, EPS, DXF, PNG, JPG, or WEBP via Vectorise.Me.

mcp

AI-powered website change monitoring - manage monitors and alerts via MCP.

rosetta-mcp

AI-powered Excel translation preserving formatting, formulas, and data integrity.