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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

lakexpress-mcp

MCP server for LakeXpress — automated database-to-cloud data pipeline as Parquet

qpost-mcp

MCP server for QPost — lets AI agents publish video and image posts to YouTube, TikTok, Instagram.

edgar-mcp

MCP stdio server for source-backed SEC EDGAR financial data from the hosted EdgarParser API.

mcp

Discourse MCP CLI server (stdio) exposing Discourse tools via MCP

mograph-mcp

Drive Adobe Illustrator and After Effects, and move artwork between them as editable shape layers.

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marrow

Evidence-grounded, graph-connected, correctable memory for agents.

tokrepo-mcp-server

TokRepo MCP: tokrepo_discover for planning, tokrepo_install_plan before writes, tokrepo_push.

app-store-analytics

Research iOS and Android apps, use keyword marketing tools, see app installs, revenue and sdks.

deterministic

Deterministic IR/IR-LINT validation, policy packs, drift vs exports (archrad). Apache-2.0.

voyager-repo

An AI agent's safe read-only scout to orient in an unknown repository before touching it.

evidra

Turns the training evidence you already have into a decision about today's session.

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cerebras-code-mcp

Model Context Protocol (MCP) server for Cerebras to make coding faster in AI-first IDEs

pokeapi-mcp-server

Look up Pokémon, moves, abilities, items, natures, and type matchups from PokéAPI v2.

bee-public

Bee by HEOSSI: governed multimodal intelligence - chat, code, security, research, documents, memory.

gatesolve-mcp

Solve CAPTCHAs (Turnstile, reCAPTCHA, hCaptcha) via MCP. Free tier: 100 solves.

solana-preflight

Solana transaction diagnosis, simulation, token-risk evidence, and priority fees via x402 USDC.

x402-alpha

Pay-per-call crypto intelligence: 19 tools over 10+ live sources, USDC via x402.

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mathgraphs-mcp

Math & statistics graphing, computation, visualization, and validation engine

google-workspace-mcp

Google Workspace Admin via MCP. Manage users, groups, aliases, org units.

actionlayer

Concierge for AI agents: takes action in the physical world — book, order, register, resolve.

pyslang-mcp

Compiler-backed read-only Verilog and SystemVerilog project analysis.

0pi

Free, 2hr expiry agent storage to cache contexts, bridge workflows, or dump data.

hermoso

AI ad studio: ad research, image + video ads, publishing, campaigns. Each usable alone. 415 tools.

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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

eleion-scanner-mcp

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

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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.

costwright-mcp

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

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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.

fastbcp-mcp

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

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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.

rundeck-mcp-server

MCP server for Rundeck API integration

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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