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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

quill

Pre-execution gate for AI-agent tool calls. Touch ID approval. Tamper-evident audit log.

lexvibe

One-step legal compliance for vibe-coded apps: privacy, terms, cookie banner and EU AI Act check.

mq-bridge-app

Move data between 15+ databases, queues and files at high throughput, without it entering context

mcp-docs-server

AI access to Mapbox docs, API references, style specs, and guides. No token required.

foragex402

Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.

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auditoria-skills

20 SKILLs de auditoría interna para agentes de IA según IIA, COSO, NIST, ISO, COBIT y ACFE.

sessy

Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.

mcp-server-spreadsheet

MCP server for spreadsheet files (.xlsx, .csv, .ods) - cell-level ops + DuckDB SQL engine.

elc-conference-mcp-tickets

Browse and buy ELC Conference 2026 engineering leadership tickets in Prague via AI.

mcp-abap-adt

ABAP ADT MCP server for reading SAP objects (programs, classes, tables, CDS) via ADT

mcp-devtools

MCP server giving AI agents safe access to filesystem, databases, processes, and APIs.

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quantaroute-geocoder

Geocode addresses, lookup administrative boundaries, and process DigiPin codes for India

map

A subtractive MCP for agent commerce: read · pay · publish. Teacher, not butler.

seedbase

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

debtstack-ai

Corporate credit data API for AI agents — bonds, leverage, guarantors, SEC filings

tierward

Read a Tierward project's governance state (doctor, team-settings, arch-audit, skills) over MCP.

PhysiCell

MCP server for building, inspecting, and exporting PhysiCell and PhysiBoSS configuration files

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longmem

Persistent cross-project memory for Cursor and Claude Code using local semantic search.

qnap

MCP server for QNAP NAS API

imgflip-mcp

Browse Imgflip meme templates and generate memes (caption images, AI memes) via the Imgflip API

rundeck-mcp-server

50 tools to manage Rundeck jobs, executions, projects, nodes, and system via MCP

arc-1

MCP server for SAP ABAP systems

mcp-sap-docs

Fast MCP server for unified SAP docs search (SAPUI5, CAP, OpenUI5, wdi5) with BM25 full-text search

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apolo-cad

Agent-native parametric 3D CAD: model machines, validate them and emit shop drawings

mcp-abap-abap-adt-api

MCP server wrapping abap-adt-api for ABAP ADT development workflows against SAP systems

feegow-mcp

Full clinic management on Feegow Clinic, patients, appointments, providers, specialties, insurance,

ifood-mcp

Insights for your iFood store right in your AI assistant's chat. Generate charts of sales and payout

mcp-audio-studio

A digital audio workstation MCP App with sequencing, mixing, effects, automation, and rendering.

mcp-cad-studio

A self-contained parametric CAD studio MCP server with an interactive MCP App.

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alphavantage

Alpha Vantage MCP — Stock market data, fundamentals, and earnings

anapioficeandfire

An API of Ice and Fire — A Song of Ice and Fire (books/characters/houses)

apis-guru

APIs.guru MCP — keyless directory of 2,500+ public APIs and their OpenAPI specs.

mcp-vscode

A self-hosted VS Code workbench embedded as an interactive MCP App.

mcp-whatsapp-web

MCP server for WhatsApp via whatsapp-web.js: send/receive messages, media, chats, groups, contacts

arcgis-albuquerque

City of Albuquerque GIS — Albuquerque, New Mexico open geospatial data (ArcGIS).

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arcgis-berkscounty

Berks County GIS — Berks County, Pennsylvania open geospatial data (ArcGIS).

market-eyes-live

Free MCP: typed MELANY ratings for any US stock or ETF (11,000+) plus mortgage-rate context.

arcgis-castateparks

California State Parks GIS — California State Parks open geospatial data (ArcGIS).

arcgis-charlotte

City of Charlotte GIS — Charlotte, North Carolina open geospatial data (ArcGIS).

arcgis-cranston

Cranston GIS — Cranston, Rhode Island open geospatial data (ArcGIS).

arcgis-detroit

City of Detroit GIS — Detroit, Michigan open geospatial data (ArcGIS).

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agentbill-mcp

Billing infrastructure for AI agents. Preflight spend checks + post-execution usage billing.

marketscore-direct-mcp

MCP for Yandex Direct: manage ad campaigns & analytics from Claude or ChatGPT

aetherintel-marketplace

Free OFAC sanctions/text/health-check tools; paid x402 agent+wallet audit tools.

openclaw-finops

Verified cloud cost forecasting for AI agents. AWS, GCP, Azure pricing matrix.

at-eli-mcp

MCP server for Austrian RIS federal legislation: ELI identifiers and verifiable citations.

mt5-quant

MT5 strategy development with 87 tools. Backtest, optimize, debug MQL5 EAs on macOS/Linux.

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domain-memory

Local-first MCP server serving a project's business-domain knowledge to MCP-compatible agents.

doordash

MCP server for DoorDash - let AI agents order food delivery autonomously with browser-based ordering

panera

MCP server for Panera Bread - browse menu, customize orders, place pickup