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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

liminality

Breaks a hard question or decision into grounded sub-questions and returns a checkable route.

radmail-mcp

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

brand-intelligence

Query your Nudg3 brand visibility across ChatGPT, Claude, Gemini, AI Overviews, and Perplexity.

seo-growth

Autonomous SEO + GEO growth: keyword research, audits, content, AI answer-engine visibility.

scout

Query the AI Brand Directory. Audit brand visibility in ChatGPT, Claude, and Gemini.

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code

Research intelligence for AI coding agents. 2M+ CS papers with evidence and tradeoffs.

mcp

Ground answers in scientific literature. Search full text, evaluate trust, access full-text articles

probr

Read and manage the competitors, signals, and weekly briefs in your probr workspace.

tiktok-agent-publisher

Local-first TikTok Content Posting API for AI agents: OAuth checks, dry-run and live uploads.

devops-mcp

Unified MCP server for Kubernetes, ArgoCD, Prometheus, PagerDuty, and Loki

presentations-ai

Presentations.AI MCP server — create designed slide decks from a topic, text, or document.

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tako-mcp

Search, answer, and fetch Tako's knowledge base of 100K+ data charts, plus deep research agents.

human-state

Fuses biometric signals into a stress score (0-100) for AI adaptation. MCP + A2A native.

nexustoken-sdk

Create/check agent tasks, discover capabilities, and run V2 Jobs on NexusToken.

palmyr

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

pdfassistant

Convert, merge, compress, OCR, redact, and sign PDFs inside your AI assistant. From pdfAssistant.

Artin0123-gemini-image-mcp-server

Analyze images and videos with Gemini to get fast, reliable visual insights. Handle content from U…

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solmail

Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide

mcp

Stop re-explaining yourself to AI. Save knowledge once, use it in every conversation.

server

Family calendar, tasks, meals, lists & rewards hub for AI assistants.

sql

Read-only SQL querying + schema introspection over Postgres & SQLite, with a gated write mode.

mcp-hailuo

MCP server for Hailuo (MiniMax) AI video generation

PixdataOrg-coderide

CodeRide eliminates the context reset cycle once and for all. Through MCP integration, it seamless…

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banking-intelligence

Cross-border payment & banking intelligence for AI agents: SWIFT/BIC, IBAN, sanctions, FX, tracking.

outlit

Outlit gives agents real-time understanding of customers to automate support and revenue workflows.

public-directory

Public Root Data dental analytics directory for DSOs, dental practices, blog, and FAQ tools.

pixel-art

Generate authentic pixel art - sprites, animations, and tilesets - from any MCP client

talos-mcp-server

MCP server for Talos Linux — resources, services, logs, health, config, lifecycle via gRPC.

la-luer

Search, compare, and purchase La Luer microcurrent facial devices and skincare products.

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whoop-mcp

Privacy-first, unofficial WHOOP MCP server for AI health, sleep, recovery, and performance agents.

JunoJunHyun-festival-finder-mcp

Discover festivals worldwide by location, date, and genre. Compare options with key details like d…

quickbooks-mcp-server

Connect Claude to QuickBooks Online — query finances, create invoices, run reports

pocket-drives

Peer-to-peer car rental search — luxury, exotic, and EV vehicles with delivery across the US.

trilium-mcp

Read and write a self-hosted TriliumNext knowledge base over its ETAPI.

preclick-mcp

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

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mcp

AI-moderated research platform: create and launch studies and query interview results.

image-processing

Image processing for AI agents. Resize, convert, compress, and pipeline images.

mcp-server

Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

mcp

Reddit growth toolkit — opportunities, replies, cold DMs, brand mentions, SEO, autopilot.

revuo

Agent-callable B2B SaaS directory: capability-structured, continuously verified listings.

roryplans

AI work orchestration for plans, tasks, teams, and coding-agent dispatch.

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mcp

Crypto market intelligence: prices, funding rates, narratives, regime, and delta-neutral research.

wallet-reputation

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

refd

Read AI search visibility, competitors, citations, prompts, and answer evidence from refd.

mcp

Social media search, expert discovery, and analytics across X, Reddit, YouTube, and more

bun-uia

Playwright for the Windows desktop, from Bun — drive native GUIs via UI Automation + MCP.

mcp-aichat

MCP server for AI dialogue using various LLM models via AceDataCloud

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roster

Self-hosted participant resolution agent with an MCP server for agent workflows.

pullpush-mcp

Connect any two APIs and keep them in sync — 48 MCP tools with shadow previews and diagnostics.

synthetic-data-random-user

Generate synthetic random user data for testing, demos, and development without using real persona.