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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

strava-mcp

MCP server for accessing Strava API

emap

Basque Country hyperlocal mobility: ES/EU semantic search, routing, open-data POIs, peak-bagging.

biolit

LLM-assisted biomedical literature screening and extraction for PubMed, GEO, and preprints.

grace-hello-mcp

A very simple remote MCP server that greets you, with a custom icon.

claude-bridge-mcp

Pipes Claude Code session output into Claude Chat — no more copy-paste between tools

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china-export-rebate-mcp

China export tax rebate rate & HS code lookup (官方退税率).

first-agentic-csa

FRC documentation MCP server for WPILib, REV, CTRE, Redux, and PhotonVision.

whoop-mcp-server

WHOOP recovery, sleep, strain, and workouts for any AI. Analysis tools, demo mode, fast setup.

crowvault

327 dev tools via REST API and MCP. Generate Dockerfiles, schemas, K8s, APIs, and more.

propscorer

Read-only futures prop firm scores, comparisons, payout intel, deals, and rules.

changebook

Your agent already broke this three times. ChangeBook tells it before the fourth.

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spot-mcp

Manage Rackspace Spot Kubernetes Cloudspaces, node pools, and VMs from your AI assistant.

pynet-mcp-bridge

MCP implementation to connect AI agents with the PyNet Platform for BIM/Engineering automation.

credit-optimizer

Optimizes Manus AI credit usage by 30-75% via intelligent model routing and smart testing.

mcp-server

Official Railway MCP server

django-telescope

A Model Context Protocol (MCP) server for Django applications, inspired by Laravel Boost

idevice-wearables

Wearable tech roadmaps: Apple, Meta, Samsung, Google, Oura. Claims, timelines, analysis.

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korean-secondary-learning-map-mcp

한국 중등 2022 개정 교육과정 학습 그래프 MCP 서버 (중학교 714 · 고교 3,124 성취기준 · 원문 수록 · 중→고 전이)

agentmap

The TS/JS-accurate repo map for coding agents: ts-morph import/symbol/call graph + MCP query tools

llm-kosh

Local-first AI memory cartridge with persistent MCP memory for Claude via SQLite FTS5.

axon-research

AI agent ecosystem research, DeFi analysis, and market research tools

state-trace

Bounded working memory for coding agents — typed nodes, current-vs-stale state, MCP-mountable.

agent-toolbelt

MCP tools for AI agents: fetch any URL as clean text, live crypto prices, review & bid drafting.

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redact-mcp

Auto-detects and obfuscates PII (IPs, emails, API keys, names) so Claude never sees real client data

agent-auth

Identity and auth for AI agents: credentials, tokens, delegations, and permission checks.

stripekit

Reconcile a declarative Stripe catalog and inspect your account — plan, push, pull, check.

skillflow

Search, discover, and install 500+ AI agent skills from the SkillFlow marketplace.

proofx

Protect and verify digital content with cryptographic signing and proof of ownership.

cls-memory

Cross-LLM persistent memory: store context once, recall it from any AI model.

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visa-info

Visa requirements, documents, and FAQs for Indian passport holders. 35 countries.

nervapack

Offline codebase knowledge graph: 91% token reduction vs naive RAG, plus cross-session agent memory.

raras

Disease Twin — Brazil's rare-disease knowledge graph (10,468) over MCP. Source-grounded, PT-BR.

mindmap-mcp-server

Local-first memory & context-handoff across AI tools — capture in one, resume in another. No cloud.

razz

Play provably fair games with real SOL wagering from any AI agent

mcp-token-optimizer

Cut LLM token costs: count tokens, estimate cost, slim prompts, and pick the cheapest capable model.

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rclone

MCP server for the Rclone RC API, with selectable toolsets.

reportflow-mcp

Generate PDF reports from Re:port Flow templates via Claude and other AI agents.

refero

Search curated design styles, real product screens, and user flows for evidence-based design work.

mid-continental-mcp

Public catalog, company & B2B distribution info for Mid-Continental Dental Supply (Renew line).

datapulse-my

Read-only discovery for 122 Malaysian public datasets with freshness, licence, and provenance.

racehooks-mcp

F1 race analytics & live timing for AI assistants — webhooks, results, and race simulations.

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picdefenseio-mcp-server

Image risk scoring, EXIF, reverse-image backlinks, and image content detection via PicDefense.io.

crabcut

Turn YouTube videos into short-form clips from any AI assistant

recourse

Consequence evaluation for AI agents. Check recoverability before destructive actions.

agent-trust

MCP Server for Agent Reputation & Trust Scoring

hig-doctor

Apple Human Interface Guidelines search, lookup, and project audits for AI coding agents.

memorykit

Cognitive memory for AI coding assistants — persistent memory across sessions

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adaptive-memory-graph

Persistent memory for Claude via weighted, interconnected knowledge nodes.

rationalbloks-mcp

Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.

pty-mcp

Interactive PTY sessions over MCP: local shells, SSH, serial ports, and persistent remote sessions.