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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

vibe-check-mcp-server

Metacognitive AI agent oversight: adaptive CPI interrupts for alignment, reflection and safety

ovecc

Architecture guardrails for AI-written code: dependency graph, impact, dead code, CI gate

lawbster

Verified, citable German & EU law for any LLM. Daily updates from official sources, hosted in DE.

alphalabs-intelligence

Live trading-pipeline intelligence for AI agents: signal scoring, calibration, recorded outcomes.

runpay

Stripe-native marketplace where AI agents discover and pay per call for API services.

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courtapi-mcp

Search and retrieve US federal court cases, dockets, claims, and documents via PACER

money

Personal finance assistant — track transactions, budgets, net worth via Plaid

lebonfoin-mcp

First MCP for the European hemp & CBD market: real French CBD catalogue, producers, FR/EN wiki

promptscan

Prompt injection detection API for AI agents. Scan untrusted text before passing it to an LLM.

paidsync

Run ads on Google, Meta, LinkedIn, TikTok and more from AI. 430+ tools across 13 platforms.

japan-official-statistics-mcp

Search official Japanese government statistics (e-Stat): population, economy, labor, and more.

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noaa-spaceweather-mcp-server

NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.

echomindr

Real founder decisions, lessons and signals from 100+ podcasts — searchable by AI agents.

mcp

Search dynamical.org's open STAC catalog of weather & climate datasets (GFS, ECMWF, HRRR).

cpfhub

MCP server for CPFHub.io. Query Brazilian CPF data directly from AI agents.

rag-rat

Repository intelligence, code graph, history, papertrail, and cross-agent memory for coding agents.

swarm-tips

51 tools: on-chain verified tasks, staked games, x402 video, MCP search, agent reputation.

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oss-autopilot

Open source contribution manager with PR tracking, issue discovery, and CI diagnosis

crabeye-mcp-bridge

One MCP connection for all your tools — with discovery, namespacing, and execution policies.

mcp-server-couchbase

Couchbase MCP Server - Enable AI agents to connect to and interact with Couchbase clusters.

cowboy-model-finder

Find your perfect Cowboy e-bike with an interactive wizard and AI recommendations.

compete

Typed access to monitored competitive changes, evidence, dossiers, research, and collection health.

rails-ai-context

38 MCP tools give AI agents live Rails schema, routes, models, and conventions.

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amazonads-mcp

MCP server for Amazon Ads API - manage campaigns, keywords, bids, and performance reports

verifimind-genesis

Multi-Agent AI Validation: X-Z-CS Trinity. All 13 tools FREE. BYOK, UUID tiers. v0.5.28

vimo-stock-intelligence

Vietnam stock MCP: TA signals, Z/F/M scores, foreign flow, whale detection. 2000+ VN stocks.

oriel

Safety-gated AI control of Docker and Colima: containers, images, volumes, networks, Compose.

shortsmonkey-youtube-outlier-research

Find YouTube outliers, daily viral Shorts, and analyze video performance.

blindoracle

The trust layer for the x402 agent economy: verifiable agent identity, payment & audit.

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mcubuddy

AI-native MCU debugging and observability through probes, symbols, RTOS, logs, and build tools.

planomy-mcp

Retirement planning on your own machine: projections, Monte Carlo, scenarios, budgets, plan edits.

bezelbub-mcp

Frame screenshots and screen recordings in Apple device bezels (device mockups). macOS only.

mcp

SEC filings and insider trades in real-time. 10-K, 10-Q, 8-K, Form 4, and company lookup.

hitkeep

Read-only MCP server for aggregate HitKeep analytics and official documentation.

gyibb-mcp

Cited product-review verdicts from real user voices — free remote MCP, no API key.

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eu-compliance

Agent bookkeeping, sanctions, KYB, VAT and e-invoice checks - pay per call in USDC

patent-precheck

Keyless 12-tool patentability MCP: USPTO pillar scores, prior art, hosted at patentprecheck.com/mcp.

stylesafe

MCP server and CLI that catches CSS cascade conflicts and Tailwind utility clashes before they ship.

review-router

Human-authenticated setup for routing GitHub pull requests into the right Slack channel.

stylespeak

MCP server and CLI that makes CSS legible to AI agents — explains what applies and why.

perf-mcp

Fact-check and fix AI outputs. Hallucination detection, schema validation, auto-repair.

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state-of-company-publisher

Sundays 18:00 CDT. Composes a public state-of-the-company narrative covering the past 7 days — wh...

mkdshare

Publish and share access-controlled Markdown documents from any MCP-enabled AI tool.

payram-helper-mcp

Remote MCP server to integrate and validate self-hosted PayRam deployments.

bluesky-scraper

Scrape Bluesky posts, profiles, followers, threads and keyword search. Clean JSON, pay per result.

tech-debt-mcp

MCP Server for analyzing technical debt across multiple programming languages

mcp

Official PostHog MCP Server for product analytics, feature flags, experiments, and more.

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mcp

AI-powered social listening across Twitter, LinkedIn, Reddit, Facebook, and more.

hunch

Focus-free macOS control for AI agents: drive your real Mac apps in the background, no stolen focus.

us-building-permits

Fresh US building permits with contacts from official city APIs. Construction lead generation.