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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

mockups-gallery

Self-hosted gallery for AI-generated mockups. MCP interface; token-efficient curl uploads.

humanizer-pro

Humanize AI text to bypass GPTZero, Turnitin, Originality.ai. Stealth, Academic, SEO modes.

codehelper

Local-first code intelligence MCP: symbol graph, impact analysis, 60+ tools.

juba-mcp

Search Buenos Aires Province court rulings: summaries, full text, legal topics

mcp-victorialogs

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

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eleion-scanner-mcp

Register/verify your domains, queue security scans, and read findings (CVE, severity).

mcp-victoriatraces

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

stil-ets-mcp

STIL lab at ETS Montreal — knowledge base and paper search via ArXiv and Semantic Scholar.

mpv-mcp-server

Control mpv media player — playback, playlists, YouTube streaming, and downloads.

saij-mcp

Search Argentine legal databases: court decisions, legislation, summaries, doctrine

aribot

Threat modeling, code/cloud/pipeline scanning, shadow-AI discovery, compliance checks and fixes.

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costwright-mcp

Static worst-case token-budget analysis for LLM-agent workflows + signed budget certificates.

propstack-mcp

Connect AI assistants to your Propstack real estate CRM (contacts, properties, deals).

eleata-verify-mcp

Grounding/hallucination guard: verify a claim against evidence (Supported/Refuted/NEE).

mcp-erid

Russian ad marking (38-FZ) checker: erid validation, ad-page audit, compliance hints.

herohunt-mcp

People search API - find 1 billion candidates across LinkedIn and GitHub with real-time data.

leteo

Persistent memory for AI coding agents: one Rust binary, one local SQLite database.

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fastbcp-mcp

MCP server for FastBCP — high-performance parallel database export to files and cloud

batch-review-mcp

Git diff and markdown review with a web UI plus MCP stdio for AI agents.

har-forensics-mcp

Tells you what leaked in a .har capture, who's on the page, and what to strip. No network calls.

ragmap

Discover and recommend retriever MCP servers. Includes top picks and install config tools.

ascript-mcp

Control Android/iOS/Windows devices from Claude, Cursor, and other AI tools. iOS without jailbreak.

bilinc

Hosted agent memory with provenance, contradiction surfacing, and snapshot rollback.

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rundeck-mcp-server

MCP server for Rundeck API integration

music-theory-mcp

Scales, chords, progressions, key detection, and genre intelligence for your AI. No API keys needed.

atheris-mcp

Country-targeted mobile/residential proxy egress for agents: live stock, proxy URLs, usage.

spotify-bulk-actions-mcp

MCP server for bulk Spotify operations - batch playlist creation, exports, management

che-apple-mail-mcp

Apple Mail MCP — 44 tools, SQLite millisecond search, .emlx parser, batch ops

pihole-mcp

Manage Pi-hole v6: DNS blocking, domains, clients, query analysis, DHCP, and multi-instance sync.

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intervals-icu-mcp

Read/write Intervals.icu MCP server: activities, wellness, calendar, gear, and workouts.

mcp-victoriametrics

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

nativ

AI-powered localization — translate, manage translation memory, and access style guides.

vc-deal-flow-signal

GitHub signals for VC deal flow: trending startups, commit velocity, contributor growth, 20 sectors.

pwa-debug-layer

Debug PWAs in your real browser via MCP: service-worker, cache, installability & framework state.

argocd-mcp-server

MCP server for ArgoCD GitOps continuous delivery integration

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quickbooks-mcp-server

MCP server for QuickBooks API integration

us-macro-mcp

US macroeconomic data from FRED: inflation, employment, growth, housing, rates, recession signals.

workflow-generator

Architecture diagram with concurrency capacity and bottleneck estimates from any codebase.

tableau-mcp-server

MCP server for Tableau API integration

agentaegis

Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.

lodd-mcp-server

Headless web analytics for AI agents. 42 MCP tools for traffic, events, funnels.

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generate-tech-stack

Visual tech-stack inventory of any codebase: languages, frameworks, databases, AI SDKs, infra.

webear

Give your AI coding assistant ears — capture, analyze, and describe live audio.

mcp-seo-audit

Technical SEO site audit MCP: health score, issues, robots, sitemap, JSON-LD.

portfolio-mcp-server

MCP server exposing Ayush Tomar's AI portfolio -- ask what he built or his flagship project.

turk-hukuku-mevzuat-mcp

Türk mevzuatının resmî güncel metnini (mevzuat.gov.tr) yapay zekâya açan MCP sunucusu.

mcp

Provision PostgreSQL, manage Apache Kafka, and deploy apps with Aiven - all from your AI assistant.

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scanner

Security scanner for MCP servers and skill files. Detects AVE vulnerabilities before production.

evalview-mcp

Regression testing for AI agents. Golden baselines, CI/CD, LangGraph, CrewAI, OpenAI, Claude.

datafood-mcp

DataFood: 16 data sources (crypto/DeFi/security/news/finance) via one MCP. Bundles save ~92%.