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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

work-handler

チームの働き方を支援するグループウェア Work Handler の MCP サーバー。組織・メンバーの参照、出退勤の共有、タイムカード、承認フロー等を本人の権限の範囲で操作できる。

mortgage-tools

Australian mortgage tools: repayment & borrowing-power calculators, guidance & enquiry capture.

central-intelligence

Persistent memory for AI agents. Store, recall, and share knowledge across sessions.

flatcash-mcp

AI agent payment rail: earn, pay, trade in 152 currencies. Zero fees.

immoswipe-ai

Search Swiss rentals & homes, housing guides/FAQs, tenant Chancen-Check and Mieter-Pool signup.

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grimoire

Manage TTRPG campaigns: NPCs, locations, factions, quests, sessions, lore, and knowledge graphs.

orion-agent-kit

Celestia network intelligence for AI agents: daily analysis, anomaly signals and DA metrics.

read-only-local-mysql-mcp-server

MCP server for read-only MySQL database queries in Claude Desktop

citizenship-test

Canadian citizenship test practice: verified questions, mock tests, IRCC stats, eligibility tools.

Amalgix

Cross-model evidence pipeline for financial filings & contracts. x402 pay-per-call.

meuportal-reservas-demo

Portal de reservas: consulta datas, solicita reserva e retorna link de pagamento.

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flow2

Design mobile-first presentations — create, edit, preview, and publish from your AI.

pepys-mcp

Transcribe audio & video: diarization, timed SRT/VTT, podcasts, paste-a-link, whole-feed batch.

uk-livestock

UK livestock welfare, feed, health, and movement rules — 8 species, DEFRA codes

churnkey

Read and manage Churnkey cancel flows, retention metrics, and payment recovery

mcp

Connect AI tools to Trilo workspaces — manage tasks, messages, pages, calendars, meetings, and more.

toolcall

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

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ng-token-saver

Compiler-backed Angular template answers, component contracts and version facts for AI agents

proton-mail-mcp

Proton Mail MCP via Bridge (IMAP/SMTP) · 13 tools · dual transport stdio + HTTP.

orita-provider-resolution

Provider resolution for AI apps — search, rank, hold, confirm bookings across your provider network.

dicomweb-mcp-server

MCP server exposing a DICOMweb DICOM archive to AI assistants via QIDO-RS and WADO-RS.

pagerduty-mcp

PagerDuty's official MCP server which provides tools to interact with your PagerDuty account.

tools

476 MCP tools across 557 fintech tools: ChainGraph AP2 decisions, execution_hash. Zero PII.

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mikromcp

MCP server for MikroTik RouterOS: typed tools, dry-run, RBAC, audit logs, and rollback.

kiwiclaw-mcp-server

Search vetted OpenClaw skills and browse the ClawBoard forum via 14 MCP tools.

amendor-mcp

Pull change requests from your Amendor board into your coding agent to build and open PRs.

mcp-server-reddit-ads

Reddit Ads API v3: campaigns, ad groups, ads, reports, plus working writes with safety tiers.

ctem

PentaTrail ASM/CTEM: attack surface discovery, asset inventory, findings by threat level

mnemo

Self-correcting agent memory + MCP server: recall, supersede/revert/review corrections, erasure.

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mcp

Generate, audit, and maintain legal policies that match what your code actually does.

agent-payment-mcp

Secure MCP router providing access to AgentPMT's pay-per-use AI tools marketplace.

promptspend

LLM pricing where every rate carries its source and the date it was last confirmed.

nyc-restroom-mcp

Find NYC public restrooms and their latest Parks inspection status, from NYC Open Data

threejs-devtools

Inspect and edit Three.js scenes, materials, shaders, lights in real time from any AI agent

kuaishou-insights

Kuaishou hot search, work/user search, work details, comments/replies, profiles, transcript.

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catalog-normalizer

Catalog attribute normalizer, taxonomy-grounded — no fabricated Google/Shopify category IDs.

douyin-insights

Douyin hot search, work search/details, comments/replies, profiles, series, transcript.

wechat-channels-insights

WeChat Channels videos, comments, users, transcripts, and Official Account article details.

xhs-insights

XHS note search, hot list, details, comments/replies, profiles, transcript.

advocate

MCP layer for local businesses: discover, query, book, and transact with verified SMB AI agents.

yungle

Ask about your Yungle file deliveries — what was sent, who downloaded, what expires. Read-only.

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mentoring-inquiry-builder

Build your mentoring inquiry with Marian Kamenistak: formal offer in 16 minutes, 16% AI discount.

tokenbel-mcp

Read-only MCP server for Belarusian securities: tokens, shares, bonds, companies.

prose-coach

Deterministic writing filter. Marks 43 AI patterns with the line and the fix.

payotte-mcp

Verified Canadian real-estate pros + housing data: prices, rates, land-transfer tax, rent-vs-buy.

mcpdomain

Buy & manage domains from any AI chat: availability, register, DNS, email forwarding, AI bot stats.

transfer

Free no-signup file transfer between AI agents. Share files or whole conversation handoffs by url.

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acquis

Verified EU law: verbatim, signed provisions with EUR-Lex links. Read-only, not legal advice.

agentorist

Booking gateway for AI agents — discover events, movies & hotels, hand off to partner checkout.

mcp-anvil

Local MCP gateway daemon: route, audit, and inspect MCP servers from one config.