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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

thunder-compute

GPU cloud platform — create, manage, and monitor instances, snapshots, SSH keys, and billing.

acr

Interaction profile registry for AI agents. Log interactions, query behavioral lenses.

openstreetmap-mcp-server

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.

taplio-linkedin-mcp

Draft, schedule, publish, and analyze your LinkedIn posts from your AI assistant via Taplio.

bitcoin-mcp-server

Honest monetary data for AI agents. Inflation, M2 vs CPI, Bitcoin vs dollar. No spin.

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urflrealtor-mcp

Florida Real Estate API — agent verification, property data, market trends, comps, lead tools.

osv-advisory-mcp-server

Query OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP.

dechonet-mcp

13 security recon tools for AI agents — DNS, SSL, HTTP, email, ports, ASN. Health Score 0-100.

tablepredict

Build validated football table and World Cup group prediction links with TablePredict.

cycle-tracker

Live UK bike-share availability: nearby bikes and stations, popular stations, 90-day history.

vaultit

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

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mneme

Vault-native, accountable memory for Claude Code and MCP clients. Markdown is ground truth.

icloud-mcp

stdio MCP for iCloud Calendar (CalDAV), with optional Contacts and Mail.

charlotte

Renders web pages into structured, agent-readable representations using headless Chromium.

auxiliar-mcp

solve_task: ranked OCR/PDF/NFS-e tools. recommend_service: 77 cloud services, Chrome-verified.

federated-ai-commons

MCP server for a federated AI-commons governance simulation with a verified compliance oracle.

tendem-mcp

Delegate tasks to vetted human experts - research, writing, analysis, and data work.

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nexus-mcp

U.S. gov records, fact-checks with citations, news search, and fraud/corruption/PRC trackers.

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.

ace-context-mcp

Local-first memory for AI chats: save context in one chat, load it in any other via MCP.

referencime

Identifiez les meilleurs spots netlinking selon leur performance Google réelle.

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xdeo

Reputation-ranked analyst earnings estimates. Pay per call via x402 on Base.

swing-mcp

MCP server for automating Java Swing applications.

systemonomic-mcp

Model work domains, score tasks for AI suitability, and design organisations.

mcp-server

Daily AI-ranked stock, crypto, and macro research data from the Top 5 Stocks API.

sphior-code-mcp

Deterministic SAST/SCA findings + fix guidance for your GitHub repos, handed to your AI agent.

lystbot

Smart lists that your AI can actually use. Manage lists via MCP, CLI, or REST API.

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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

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.

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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.

openfolio

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

aetheris-mcp

x402-gated web scraping MCP server. Pay 0.01 USDC per page on Base. Returns clean Markdown via JSDOM

powershell-terminal-mcp

Shared AI + user PowerShell session on Windows - execute commands, run scripts, automate your PC

asymptotic-ethics

MCP server for an Asymptotic Ethics governance simulation with a verified compliance oracle.

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anthropic-admin-mcp

Native MCP server for the Anthropic Admin API: org, workspaces, members, API keys, usage, costs.

truthstack-mcp

Supplement-drug interaction safety API for AI agents with FDA adverse event data.

geolabel

Turn GPS coordinates into place name, category, and live opening hours via OpenStreetMap.