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© 2026 AgentStackBuilt for people building better agents.

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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

okaneland-mcp

Verified AI-tool prices and AI product margin math for agents.

thunder-compute

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

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.

mneme

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

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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.

ace-context-mcp

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

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referencime

Identifiez les meilleurs spots netlinking selon leur performance Google réelle.

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.

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lystbot

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

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.

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.

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geolabel

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

gomodel

Self-hosted gateway aggregating upstream MCP servers behind one authenticated HTTP endpoint.

rootpilot-ssh-diagnose

Read-only SSH server diagnostics via a fixed 38-command whitelist; secrets redacted, no write path.

heuresis

Read & write your Heuresis idea graph and run TRIZ/C-K/ASIT operators from your AI assistant.

mcp-server

Personal knowledge base MCP server with semantic search, auto-categorization, metadata extraction

asset-auto-generator

An MCP server that provides asset auto generator

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expert-brain

Expert knowledge base for sales, negotiation, strategy, operations, and risk.

dependency-fitness-mcp

npm dependency fitness: deprecated/yanked/superseded + verified safe migration target.

ai-success-story

First-person AI war-stories from coding sessions, searchable via MCP for prior-art consultation.

hu-postcode-validator

Hungarian postcode lookup + validation - 3,484 codes, sub-10ms lookups, bulk address endpoint.

pubchem-mcp-server

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

claude-code-conversation-search-mcp

Search Claude Code conversation history with natural language queries across all projects

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mcp-server

TrackingTime MCP server for profile, events, users, projects, tasks, customers, and services.

figma-ui-mcp

Bidirectional Figma MCP — AI draws UI on Figma canvas, reads designs back

mt5-mcp-by-leo

Full MCP server for MT5: access trades, logs, compilation, etc..

mintpdf

Turn HTML or Markdown into a clean, styled PDF and get a download link.

toolfi

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.

gnome-ui-mcp

GNOME Wayland desktop automation via AT-SPI discovery and Mutter input.

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webcomponents-react-mcp-server

MCP server for UI5 Web Components for React - Developer documentation and API assistance

asset-auto-picker

An MCP server that provides [describe what your server does]

k8s-manifest-audit

kube-linter audit for Kubernetes manifests — 63 checks: security, availability, RBAC, network.

tuurio-id

Manage users, OIDC clients, roles, settings, and audits with tenant-bound OAuth.

github-actions-audit

GitHub Actions workflow security audit - 21 checks: pinning, permissions, secrets, injection.

safe-docx

AI-native surgical editing of existing Word .docx files with formatting preservation

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utilify-mcp

AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash.

memory

Persistent memory for AI assistants. Store, search, and recall across sessions.

context-fabric

Context sync layer for AI agents. Ensures continuity and eliminates memory drift automatically.