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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

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Sales & Outreach16 SEO & Marketing49

Business Operations492

Analytics314 Business Ops178

Build & Ship595

Creative Studio80

Design & Presentations80

Workflows268

#ToolPopularity

ap-science-diagnostics

Misconception detection for AP Chemistry & Physics 1. 90% catch rate vs 24% baseline.

bitrix24-mcp

Bitrix24 Cloud MCP server — 45 tools across CRM, Tasks, Deals, Leads, Files, Disk.

mcp

55 tools for federal/state/local RFPs, awards, vendors, contact graph, contract vehicles, pursuits.

mcp-server

Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.

breach402-owner-protection

Protect owners with private checks across 13.3B+ breach records and prioritized defenses.

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mcp-1c

MCP server for 1C:Enterprise — read+write CRM/ERP through Claude/Cursor/Cline.

kip-mcp-server

Reads a boat's Signal K data and helps an AI assistant design and install KIP dashboards.

smasher-studio

AI fashion design — product photos, videos, tech packs, colorways & fabric sims.

mcp-office-word

50-tool Word MCP server. Document assembly, tracked changes, and export. Windows-first.

rigshare

Rent GPUs, robots, drones, and construction gear on RIGShare; also onboards equipment owners.

ai-architect-mcp-spec

PRD verification and host-driven generation with multi-judge consensus across 17 MCP tools.

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mockhero

Generate realistic relational test data — 156 field types, 22 locales, JSON/CSV/SQL, free previews.

seo-stack-mcp

The complete open-source SEO data stack for AI agents: 7 sources, 86 tools, one MCP server

hypermnesia-mcp-viz

Read-only visualization for Cortex memory, knowledge, sessions, traces, and codebase graphs.

boosthis

Read-only performance insights for your Boosthis projects: speed, crashes, traces, and fixes.

mcp

豊胸モニター募集サイトのMCPサーバー。クリニック検索・術式情報・悩み相談・世代別記事を提供します。

cabal-hunter

Solana pre-trade safety for AI agents: cabal, bundle, dump, deployer & honeypot in one verdict.

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signals

Millions of dated buying and momentum signals: who raised, who's hiring, what changed and when

mcp

Live crypto data: funding rates, funding arbitrage, OI pressure, Fear & Greed. Free, no API key.

roseline-mcp

MCP server for C# code analysis and automated fixing using Roslyn analyzers and code fix providers.

mcp-aider-executor

Model Context Protocol (MCP) server to execute aider-specific code editing operations

cerberus-index

XRPL token rug-checks, issuer reputation & AMM data for AI agents. Pay-per-call USDC via x402.

namemyapp

Brandable business names with live domain availability + one-click buy URLs.

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fifty50

Find a co-founder and split equity fairly — partnership analysis + co-founder marketplace.

camber-mcp-server

Remote data science agents for Snowflake, Databricks & BigQuery in Claude/Cursor via MCP

antigravityextensiongate-mcp

Paid remote MCP for Antigravity extension compatibility MCP, structured receipts, audit logs, and re

chromedevtoolsmcp-mcp

A paid remote MCP for AI agent browser DevTools MCP, built to return verdicts, receipts, usage logs,

geminiomnirights-mcp

Remote MCP for Gemini Omni commercial rights receipt MCP, structured receipts, audit logs, and revie

deepseek

Official DeepSeek MCP server for chat, completion, model listing, and balance endpoints.

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btp-sap-odata-to-mcp-server-optimized

Enterprise SAP OData to MCP Server with AI capabilities and Cloud Foundry integration

unitymcptest-mcp

A paid remote MCP for Unity-MCP, built to return verdicts, receipts, usage logs, and audit-ready JSO

mcp

Cloudflare MCP servers

public-mcp

Public read-only MCP for products, frameworks, guides, methodology, and blog metadata.

mcp

Read-only financial facts from SEC/EU/KR filings: tickers, periods, report lines, =CaData() grids.

cost-seg-smart

Cost segregation study pricing and Year-1 depreciation/tax-savings estimates for US properties.

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datasignals-events-mcp

Eleven US filing streams in one schema: SEC, FDA, NIH, contracts, Congress. Source-linked.

mcp-server

AI-powered data integration platform. Onboard users and run DPF data workflows.

agent-receipts

Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

r-packagedev-mcp

MCP server for R package development using usethis, devtools, renv, and testthat

dex-data

DEX data, geocoding, weather, search, holidays, LEI, yield curve. 22 tools, free tier.

ai-api-radar

Live LLM API price + status radar across 11 providers, with public per-model price HISTORY.

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specter-skills

Configure a Specter game backend from chat: economy, progression, leaderboards, multiplayer.

doseedo

Generate music, separate stems, transcribe audio to MIDI, build Logic and Ableton sessions

perplexity-comet-mcp

Bridge Claude Code with Perplexity Comet for autonomous browsing and tab management

focus-space

Create focus spaces and read user-authorized focus history summaries.

bugherd-mcp

BugHerd API v2 integration — 37 tools for projects, tasks, comments, and webhooks.

cartographer

Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint.

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blogcaster-mcp

An MCP server for the BlogCaster project.

openstaad-mcp

MCP server for Bentley STAAD.Pro via the OpenSTAAD API

kalshi-mcp-server

MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.