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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

groundcheck

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

agentdocs-mcp

MCP server for AgentDocs (agentdocs.eu): read, search, write, comment on & share Markdown docs.

hostinger-api-mcp

MCP server for Hostinger API

modelwatch

Continuous behavioral drift monitoring for LLM apps — catches silent provider model updates.

openclaw-agent-tools

Weather, code search, currency & Solana trust scoring as MCP tools. Free, no API key needed.

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seiche

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

data-breach-detector

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

faultline

Check infrastructure health, manage incidents, and run runbooks in Faultline.

bamwor-mcp-server

World geographic data for AI agents: 261 countries, 5.2M cities, rankings, and 9 indexes.

mcp-grantiq

Search US grants + federal contracts (Grants.gov + SAM.gov) from any LLM.

oraclarr

Read-only diagnostic MCP server for a self-hosted arr stack (Sonarr, Radarr, Prowlarr & more).

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modulor

Agent-native CAD: draw plans, model 3D, render checks, export DXF/SVG/STL/GLB/IFC, import DXF.

gemini

Model Context Protocol server for Google Gemini AI with chat, research, and grounding

geo-analyzer

Scores content on the signals that get it cited by ChatGPT, Perplexity and AI Overviews

google-knowledge-graph

Search Google's Knowledge Graph for structured information about real-world entities

formio-mcp

Create and manage Form.io forms, resources, actions, roles, and projects from your AI agent.

thask

Dependency-graph MCP server. Tells Claude/Cursor what breaks if you change X. Provenance guards.

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liquilens

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

lucent

Call-scoped Clear Signing presentation checks for EVM signing agents.

mcp-victoriametrics

MCP Server for VictoriaMetrics. Provides integration with VictoriaMetrics API and documentation

datacharter

Local-first, contract-governed data explorer with read-only, PII-masked query tools for AI agents.

imaging-mcp-server

MCP server exposing CAST Imaging software architecture insights to AI agents

overtone-news-mcp

Real-time news with tone analysis, brand safety, and narrative shift signals for AI agents.

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agent-identity-trust-mcp

agent-identity-trust-mcp MCP server by MEOK AI Labs

csoai

Signed deterministic AI-governance measurement: EU AI Act cards + agent-callable record verify.

csv-analytics-mcp

csv-analytics-mcp MCP server by MEOK AI Labs

erp

AI-native business management — 52 tools for invoicing, CRM, accounting & tax.

short-video-agent-kit

Provider-neutral short-form AI video toolkit for agents: Sora, Gemini Veo, xAI/Grok, Seedance.

shopify-mcp-pro

Shopify MCP server with real analytics (ShopifyQL), auto-refresh auth, and Shopify API 2026-04.

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context-proxy

MCP proxy that lazy-loads tool schemas to cut context token overhead by 6-7x

proofrelay-mcp-verifier

Read-only verifier for 25 ProofRelay MCP tools and non-confidential evidence bundles.

qtm4j

MCP server for QMetry Test Management for Jira (QTM4J) Open API.

poliety

AI news for agents: editions, change feeds, integrity proofs, and governed events with evidence.

strava-mcp

Privacy-first MCP server for Strava activities, streams, routes and training.

youtube-shorts-agent

Agent-first YouTube Shorts uploader: dry-run validation, OAuth checks, synthetic-media metadata.

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seo-audit-console

Technical SEO in Claude: GSC + crawl + DataForSEO - audit, market sizing, content recon.

voila-mcp

Safe personal Voila grocery automation for search, slots, cart updates, and order history

mcp-jira-scoped

Jira MCP server with scoped API tokens via api.atlassian.com gateway

pincer

Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture

ui-ticket-mcp

Human-to-AI code review bridge. Review UI in the browser, AI agents fix code via MCP.

waxseal

Ed25519 identity for AI agents. Verify seals, sign documents, gate actions with approvals.

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csv-tools-ai-mcp

csv-tools-ai-mcp MCP server by MEOK AI Labs

mcp

Deterministic axe-core accessibility scans (WCAG 2.1 AA, EN 301 549, PDF/UA) via your account.

biz.dfch.specmgr

An artifact manager for system specifications.

vigil-fraud-alert

Proximity-based card fraud detection with AI risk scoring.

homecastr

Home price forecasts for any US address or neighborhood. P10/P50/P90 bands across 1–5 year horizons.

homecastr-remote

US home price forecasts via HTTP. No install — just add the URL. P10/P50/P90 bands, 1–5yr horizons.

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grok-mcp

Use xAI Grok as a peer reviewer + PR gate from Claude Code, Cursor, Cline and any MCP host.

polymarket-mcp

Read-only Polymarket prediction market data for AI agents.

clawswap

Cross-chain swaps between Solana and Base for AI agents paid for via via x402 micropayments.