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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

infimium

Private AI context layer for semantic code search, dependency graphs, memory, and workspaces.

archivist-ai

Official remote MCP server for Archivist AI TTRPG campaign memory: characters, sessions, and more.

aurora-coach

Continuous improvement for software engineering teams: check-ins, improvements, suggestions.

ai-seo

MCP server for AI-SEO auditing: schema, robots.txt, llms.txt, citation scoring, and AEO/GEO rewrites

agenthook

Character-consistent UGC video, images, and captions from any MCP client, via the AgentHook API.

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AynOps

AynOps is a reconnaissance focused MCP Server which gives reconnaissance capabilities to AI Clients

MAXential-Thinking-MCP

11 focused tools for structured thinking, branching, revision, and navigation.

cloud-pathfinder

IaC attack-path auditor: finds internet-to-crown-jewel chains in Terraform/CFN/K8s.

freight-pulse

Ocean & multimodal freight intelligence: rates, landed cost, transit, customs, risk, ship decisions

muni-dev-cost

US municipal development cost: aggregated impact + water/sewer tap fees per jurisdiction

hexis

Git-backed platform for skills, tools, and context for AI agents

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openpitch

Open, sourced, confidence-scored intelligence on AI startups - a free PitchBook alternative.

vulnicheck

HTTP MCP Server for comprehensive Python vulnerability scanning and security analysis.

latchshot

Hosted public-page screenshots and PDFs with guarded Chromium and inline MCP artifacts.

nexbid

AI agent product discovery via open marketplace. Search, compare and discover advertiser products.

drafturl

Share HTML/Markdown documents via URL instantly. Create, edit, delete docs from any AI tool.

import-guardian

Catch AI-hallucinated (slopsquatted) npm imports in generated code before npm install.

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midas-protocol

Complete financial infrastructure for AI agents — payments, lending, escrow & more.

code-auditor-mcp

Code Quality Auditor: Analyze code for SOLID principles, DRY violations, and more

wassel

MENA commerce integration layer for AI agents: payments, BNPL, logistics, e-commerce, tax.

lapalma24-mcp

Search vacation rentals in La Palma, Canary Islands with real-time availability and pricing.

bedc-mcp

MCP server for Dual Canvas Execution (DCE) - use with Polsia, Cursor, Claude, and other MCP clients

aikido-mcp

Security analysis for Aiken smart contracts on Cardano. 75 vulnerability detectors.

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otito

Deterministic local repository context, impact analysis, and merge-readiness evidence for AI agents.

excalidraw-architect-mcp

Generate beautiful Excalidraw architecture diagrams with auto-layout and component styling

marbellareport

Independent real estate market data for Marbella's 28 sub-areas.

openhive-mcp

Search and contribute to a shared knowledge base of AI-discovered problem-solution pairs.

global-vat-validator

VAT Validator solving Brazil 2026 Alphanumeric shift. Supports high-precision EU, UK, IN, BR checks.

atlass-os-mcp

58 MCP tools for field-service CRM, scheduling and double-entry accounting. Hosted; BYO agent.

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betterprompt-mcp

MCP server for AI-enhanced prompt engineering and request conversion.

june-mcp

Shared, cited knowledge-graph memory for agents — ask, search, and remember against a June endpoint

pody-mcp

Israeli podcast & content marketplace MCP — 7 tools: studios, podcasts, glossary, industry report.

marketplace

Discover AI agents by outcome. Read-only search and reads of public marketplace listings.

pplz-agent

PPLZ AI Agent — Let AI play your social life simulation automatically.

pollbolt

AI-native survey & form builder. Manage surveys, responses, analytics, and webhooks.

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bridge-mcp

Visual Desktop Bridge - Give any AI full control over Windows to automate apps and inputs.

pasal-id-mcp

Task-oriented MCP for Indonesian law: search, resolve citations, read laws, and MK decisions.

mcp-bench-router

Routes design tasks to designarena.ai's top-ranked model via OpenRouter across 14 categories.

sales

BANT + MEDDIC qualification, ICP scoring, pipeline forecasting & outreach for Claude.

upnote-lens-mcp

Read, search, and summarize your UpNote notes — and create new ones.

banana-prompts-mcp

MCP server to search Nano Banana prompts from bananaprompts.fun

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b4n1web

Ultra-lightweight browser engine for AI agents. 33 MCP tools, 4 SDKs, cross-platform.

criterion

Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.

spaceship-mcp

Manage domains, DNS records, contacts, marketplace listings, and more via the Spaceship API

axon-emcp

Official ℰMCP server for AXON — exposes 45 primitives, 33 templates, 17 examples to AI agents.

basicops

BasicOps MCP server for project management, tasks, notes, and team collaboration.

callimachus

MCP server for Callimachus: local index and search of your AI coding-agent threads

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janusmcp

Multi-account tool broker for AI agents — CLI and MCP.

beever-atlas

Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.

techenthus-data

Authenticated GPU/CPU/PSU lookup; beta power-budget estimate. Coverage/freshness vary by source.