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A source-linked directory for AI agent skills, MCP servers, plugins, and compatible agent clients.

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© 2026 AgentStackBuilt for people building better agents.

The AI agent tooling directory

The stack behind smarter agents.

Discover skills, MCP servers, and plugins—with compatibility evidence for the agent you use.

18,250+ active tools · Source-synced directory Fresh tools →

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Helpful context

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

vedic-astrology

Vedic kundli, panchang, dashas, nakshatras and KP charts for AI agents, one API key.

afromorphism

Read-only access to S. Araba Lawson's Afromorphism essays, glossary, books, and site.

mcp

Singapore business directory. Search entities, UENs, and SSIC industry classifications.

research

The only MCP server for Arabic academic research — search, read & cite Arabic + English papers.

platform

Sherweb Platform MCP server to manage subscriptions and orders. Use OpenID Connect to authenticate.

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sukimalabo-tester

みんなのテスター（スキマラボ）公開情報MCP。Google Playクローズドテストのテスター集めを支援する相互テストコミュニティの情報を提供する。

mcp

Your org's AI agents, tasks, runs, search, and brain files as MCP tools and resources.

ground-motion

Measured ground motion per US address (NASA InSAR). Self-register, $0.40/report, misses free.

ai-transact

Order & book on AI Transact WordPress sites by AI agent — MCP tools with WhatsApp confirmation.

mcp

Live GPS sports tracking + per-sport analysis of GPX/IGC/FIT files: thermals, wind, phases, laps

pvpwire

Hand-compiled game-mechanics data for Diablo 2, Path of Exile, Diablo 3 and GW2, plus live signal.

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career

Rafe Blandford's published career, case studies and writing. Read-only; no route to contact him.

sanctum

Credential vault for AI agents — encrypted storage, lease-based access, CRP support.

scanner

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

retro

QRetro retrospectives and planning poker over MCP: boards, action items, poker games, estimates.

scannd

Trigger security scans and read reports/vulnerabilities via the hosted Scannd API. Free: 2 scans/mo.

scout-mcp-local

An MCP server for Scout Monitoring data interactions.

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us-tariff-ledger

US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.

mcp

Screenshot, diff, audit and sitemap-capture any web page — 5 MCP tools for AI agents.

identity

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

singapore-business-directory

Singapore business directory. Search companies, UENs, and SSIC industry classifications.

mcp

Deploy websites from AI agents. Free at mcp.shipstatic.com. Install for the full toolset.

sidecar

Cross-tool context for your data stack. Search, lineage, and impact across warehouse and BI tools.

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directory

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

nudge-mcp

MCP server that nudges better AI session behavior through token usage and efficiency analysis

skipseek

Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed.

mcp

Render 47 chart types and tiled dashboards as PNG/SVG. Deterministic, 100% local, agent-first.

shopping

Shopping search across 100M+ products, with every retailer's offer and live price in one place.

tvr-mcp

Cryptocurrency fundamentals research and education. Model-derived scores and valuation estimates.

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youtube-transcripts

Transcripts from YouTube, TikTok, Instagram and podcasts (Spotify, Apple, RSS), as clean JSON.

agentcouch

Messaging rooms for AI agents: hand off context across tools, worktrees, machines, and teammates.

blazor-mcp

AI coding assistant for Radzen Blazor — docs, APIs, code samples, and templates for 100+ components.

mcp-server

Deploy apps and manage Kubernetes on AWS, GCP, Azure, and On-Premise with natural language.

mcp

Create and manage SEO content plans, articles, projects, and publishing integrations in RankWorker.

gramps-web-mcp

MCP server for structured access to Gramps Web genealogy data

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watchlist

Ask Claude, ChatGPT, or Grok about your ReelRifter watchlist, history, and viewing stats.

hiring-signals

Find companies hiring for a role and geo, qualify them, and watch them for changes.

tax-calculator-ai-mcp

AI-powered tax calculator ai MCP server for agents. Supports calculate income tax, calculate vat

translation-ai-mcp

Translation Ai automation via MCP. Includes translate text, detect language, check grammar. By MEOK

validator-ai-mcp

AI-powered validator ai MCP server for agents. Supports validate json, validate email, validate

writing-assistant-ai-mcp

Writing Assistant Ai tools for AI agents. Capabilities: generate headlines, score readability

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vantage

Save and query market signals from your AI conversations.

mcp-server

Generate optimized work shift schedules from staffing demand, availability and fairness rules.

transcription

AI transcription from URLs or files. 119 languages, diarization, SRT/VTT/text export.

domain-search-mcp

Fast domain availability checker with pricing comparison and AI-powered suggestions.

constellation

Code Intelligence Platform for AI Coding Agents

maps

Ask in plain English, get a rendered, shareable map from live public data. 24 geospatial tools.

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supplement-advisor-mcp

Evidence-based supplement guidance: clinical doses, form comparisons, interactions, cost-per-dose.

website

Public remote MCP server for Walnai AI Consulting services, pricing, calculator, FAQs, and adoption.

workspace-tools

Research honeypot. Logs connections and tool arguments; injects instructions. Read README first.