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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

mcp-server

Agent-first meeting schedule polls for humans and agents. Create polls, vote, find times.

aeo

Scan any website for AI readiness — 100-point score across 6 AEO categories in seconds.

kraken-signals-mcp

Kraken crypto signals via x402: free preview + paid USDC-on-Base signals, regime & indicators

everway-mcp-server

Read and update your Everway trips and itineraries from any MCP-compatible AI assistant.

fantopy

Free World Cup 2026 prediction game with fixtures, picks, brackets, and leaderboards

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docuguru

Journal-formatted PDFs for 18,000+ journals, real DOI citations, posters & slide decks.

proxy4agents-mcp

Residential proxy MCP for AI agents — geo-targeting, sticky sessions, anti-bot bypass.

screaming-frog-mcp

Crawl websites, export SEO data, and manage crawls via Screaming Frog SEO Spider.

flowcastle

Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform.

agent-sec

Zero-install security baseline for AI coding agents — OWASP/CWE-cited rules over MCP.

nordic-energy-oracle

Nordic energy price intelligence for Norway's 5 bidding zones (NO1-NO5).

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gateco

Permission-aware retrieval for AI systems: policy-enforced access to organizational knowledge.

squad

Decision intelligence for product teams. Turn scattered feedback into signal you can act on.

news-mcp

News MCP: real-time headlines & custom news search across 7 regions. Free, just sign in with Google.

mcp

Model Context Protocol server for Monnet — motions, plans, and approvals for MCP-compatible clients.

mcp-server

Source-timestamped energy data and reviewed OilPriceAPI product facts for MCP clients.

bpe-mcp

Consolidated Bitcoin market data for AI agents: BBO pricing, ML signals, funding skew, briefings.

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memorix

Local-first persistent project memory for AI coding agents across MCP clients and sessions.

web-search

Live web search and clean-markdown page fetch over the Keenable web index.

lithtrix-mcp

Identity, memory, trust, and swarm primitives for AI agents. MIRC base always free.

mcpmyadmin

Query 40 databases from Claude, ChatGPT, or Cursor — on any device. Read-only, encrypted, audited.

memoket

Memoket — access your recording transcripts, summaries, and key takeaways over MCP.

mcp

US/HK markets — 151 tools: quotes, options, orders, fundamentals, screener, IPO, alerts & DCA

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game-assets

Generate game assets with AI: sprites, 3D models, animations, sound effects, music, and voices.

polarmcp

Privacy-first unofficial Polar AccessLink v4 MCP server for AI health, sleep and training agents.

moonlings

AI visibility + fact-checks (ChatGPT/Perplexity), review gaps & competitor scans, local SEO.

mcp

Search, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.

spotify

Full Spotify Web API coverage - albums, artists, playlists, player controls, and more.

ai-scanner

Scan codebases for LLM/AI SDK usage, exposed API tokens, and hardcoded secrets.

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NewzAI

AI Powered News MCP: global, custom, time-scoped semantic+keyword search across news.Try for free.

mcp

Run multi-step AI pipelines for video, image, audio and text: upload media, run, poll results.

soapbox-faith

Faith tools for AI agents: cited KJV Scripture, ORA Q&A, sermons, churches, prayer & giving.

picsha

AI-native digital asset management: semantic search, generative image edits, and CDN delivery.

the-stall

277 pay-per-call MCP tools: YouTube keyword research, stocks, crypto, DeFi, options, macro.

mcp

Read-only Mafdet AI account tools (models, balance, usage, subscription) and docs search.

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speech

Hosted speech-to-text + speech emotion/tone analysis for agents. No install; trial keys built in.

task-mcp

An MCP server for deep research or task groups

mcp-server

AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

ChiR24-unreal_mcp_server

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal E…

DynamicEndpoints-powershell-exec-mcp-server

Execute PowerShell commands securely with controlled timeouts and input validation. Retrieve syste…

samsung-health-mcp

Unofficial local-first MCP server for Samsung Health personal-data CSV/ZIP exports.

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timeline-pulse

Source-aware archive for timeline-shift folklore, Mandela Effect reports, and collider myths.

mcp

Shared memory for all your AI agents, your whole team and every MCP client — save, search, recall.

logic-server

Agent reasoning, memory, and token-optimized context for AI applications.

agent-payment-mcp

Secure USDC payments for AI agents on Base blockchain with budget controls and instant settlement.

mainframe-mcp-server

MCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.

search

Search the agentic web. 4,100+ sites, 11 tools incl. check_url + verify_mcp for probe-before-use.

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observe-instrument-mcp

Add OpenTelemetry tracing to Python AI agents. Supports LangGraph, LlamaIndex, CrewAI, OpenAI SDK.

sap-mcp

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.