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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

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Sales & Outreach16 SEO & Marketing49

Business Operations492

Analytics314 Business Ops178

Build & Ship595

Creative Studio80

Design & Presentations80

Workflows268

#ToolPopularity

sql-server-mcp-macos

SQL Server MCP with RAG capabilities for macOS (Docker SQL Server support)

kaito-query

AI LLM with Gemini, MiniMax, Replicate, OpenRouter. Vision, search, code review. USDC on Base.

dates-le

Extract dates and timestamps from logs, data files and code, with their format and position.

doxa-mcp

Christian AI for any question, in any season. Bible (BSB), grace + truth. faith.tools 5/5.

mcp-server-cloud-fs

Cloud replacement for mcp-server-filesystem — 20 tools for S3, Azure Blob, and GCS

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node-opcua-modeler-mcp-server

OPC UA companion spec types, namespace dependencies, and engineering units for AI agents

anchord

Read-only MCP for identity resolution and write guardrails.

envsync-le

Compare dotenv files and report which keys are missing or extra, by name only.

numbers-le

Extract numeric values from config files, data files and plain text.

thinkreview

Live PR/MR code reviews via review_url_code. OAuth or portal Bearer auth.

tickdb-market-data

Real-time & historical market data: forex, stocks, crypto, indices, metals, K-line, quotes

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contextkeeper

Zero model drift between AI agents. Session continuity for Claude, GPT, Gemini, and any LLM.

remote-terminal

Complete SSH terminal for Linux with AI/user control and dual-stream visibility

clawriver

Agent 知识共享市场 — 让 AI Agent 搜索/购买/上传经验记忆。34 个 Tools，支持记忆搜索、购买、上传、评价、团队协作。

skillsboard

Search your team's shared AI-skill library, get install commands, and save skills from your agent.

godot-mcp-bridge

MCP server for Godot game engine integration — control the Godot editor with AI

trainzilla-mcp

Manage clients, plans, sessions, habits, and billing on Trainzilla via one-click OAuth.

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openfolio

Agent-native MCP server over 49M+ US public and government records, privacy-first, always current.

proof

Govern your AI coding agent: frame the work, review the changes, keep a signed decision record.

travel-poi

Search and explore a global travel points-of-interest catalog (cities, countries, POIs).

quiver-risk-brain

Verifiable, deterministic risk math for autonomous agents; re-runnable proof on every answer.

real-estate-cfo

Real estate market intelligence, calculators, and capital advisory for US investors.

mcp-server-google-antigravity

MCP server exposing Google Antigravity (agy CLI / Gemini): jobs, codebase analysis, file tools.

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kirk-mcp

The Kalman filter for the non-Gaussian, non-stationary world. Unsupervised structural change.

fatsecret-mcp

MCP server for FatSecret API - food search, nutrition, diary, recipes, weight tracking (unofficial)

docker-compose-audit

Security audit for docker-compose.yml — 25 checks: secrets, privileges, network, volumes, images.

vigile-mcp

Query trust scores for MCP servers and agent skills. Check if a tool is safe.

doktor

Busca 56,000+ médicos verificados en México con cédulas validadas por la SEP

iac-audit-pack

Four IaC audits in one call: Compose, Dockerfile, GitHub Actions, Kubernetes. 131 checks.

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verifieddr

Website authority and AI visibility tools for DR, TrueDR, keywords, backlinks, and partnerships.

wander-agent

60-tool AI travel agent: flights, hotels, visas, weather, fare watching, trip memory. No keys.

lific

Local-first, lightweight issue tracker. Single binary, SQLite-backed, MCP-native.

regex-le

Extract regular expressions from code, each with a ReDoS safety verdict.

front-desk-review-data

4,764 products, 626 categories: sourced prices, dated price history, independent-test coverage.

canton-ccpedia

Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.

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joomil

Search Swiss classifieds on Joomil.ch — top marketplace in French-speaking Switzerland since 2007.

canlii-mcp

MCP for CanLII: Canadian case law and legislation metadata (federal, provincial, territorial).

courtlistener-mcp

MCP for CourtListener: US federal and state opinions, dockets, judges, plus eCFR regulations.

velaris-intelligence

AI-generated customer success reports for Velaris platform users. Authenticates via OAuth.

trustfetch

Prompt-injection scanning and safe webpage fetching for AI agents reading untrusted content.

vest-mcp

Earn up to 20% cashback on 200+ AI tool subscriptions. Browse, build stacks, get tracked links.

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vibe-mcp

Drive your real, logged-in Chrome from any MCP client — even from a remote machine, no inbound port.

vibe-mcp

Social layer for Claude Code - DMs, presence, discovery, and games between AI-assisted developers

auctiontrace

Historical ES Book Pressure data, matched evidence, and evaluation guidance for $5 USDC via x402.

abraflexi

MCP server for AbraFlexi ERP — invoices, contacts, products, bank transactions.

vibekit-mcp

Build, deploy, and operate hosted web apps on VibeKit (vibekit.bot) from any MCP client.

attestix

AI agent identity, W3C credentials, EU AI Act compliance. 47 MCP tools.

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copilot-mcp

MCP server for web development with Khoros, Gainsight, and HigherLogic integrations.

nestegg-calculators

90+ pure finance calculators: loans, investing, bonds, options, tax. Stateless, stores nothing.

chainscope

Multi-chain wallet intelligence: balances, transactions, ENS, OFAC screening across 7 chains.