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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

uruguay-invoice-mcp

Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder.

casa-property

Indicative SEQ Australia property planning intelligence: zones, overlays, subdivision, DA stats.

mcp-server

Secure Nvoip MCP server for reports, call analytics, service quality, and business insights.

mcp-hub

Your personal data for AI — Telegram, bank, courses, Zoom & more, scoped to you.

pact

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

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colombia-payments-mcp

Colombia payments for AI agents — PSE / Nequi via Mercado Pago. Never holds funds.

india-invoice-mcp

India GST e-invoicing for AI agents - generate, query, cancel IRNs at the IRP via a GSP. Stateless.

tixxly

Tixxly MCP server — connect AI agents to tours, experiences, and activities

anythink

Sick of stitched-together services? Anythink is the all-in-one backend, configured with AI.

alloc-context

Self-host MCP: portfolio crypto context for agents. PyPI stdio; MIT.

docvet

Docstring quality vetting for Python -- enrichment, freshness, coverage, and presence checks

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tanzania-payments-mcp

Tanzania payments for AI agents — M-Pesa / Tigo Pesa via Flutterwave. Never holds funds.

mcp

Search, compare and estimate rewards across US credit cards. Verified fees, APRs and bonuses.

acervo-juridico

Acervo jurídico brasileiro: busca por assunto e leitura em Markdown, com fontes oficiais.

prowl-mcp

MCP server: 360+ pay-as-you-go research tools (SEO, ads, SERP, scraping) + prowl_analyze reports

habitat-database

Structured aquarium, marine, terrarium and paludarium data for AI agents.

zotio

Zotero MCP server: preview-first, journaled writes and keyless local reads for AI agents.

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mcp-for-zotero

Connect your Zotero reference library to AI assistants via Model Context Protocol.

cyprus-payments-mcp

Cyprus payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

netherlands-payments-mcp

Netherlands payments for AI agents — iDEAL via Mollie. Never holds funds.

camfeed

Public read-only archive of journalist Cameron Wilson's work, appearances, and biography.

peru-invoice-mcp

Peru CPE invoices for AI agents - issue, query, void facturas/boletas via SUNAT (2 backends).

wealth

The family estate in full — what you hold, what you owe, and what it is exposed to.

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spotifyscraper

Public Spotify metadata, lyrics and podcasts for LLM agents. No API key, read-only.

revettr-mcp

Counterparty risk scoring for agentic commerce via x402 micropayments.

osu-mcp

MCP server exposing the osu! API v2: player stats, scores, beatmap search, rankings.

insurance

保险产品搜索、推荐、保费试算、核保预检。覆盖65家保司483款产品。China insurance MCP server.

kenya-payments-mcp

Kenya payments for AI agents — M-Pesa via Flutterwave. Never holds funds.

jacktrade-crm

Search customers, manage quotes, work orders, action items, and calendar events for your business

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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.

catalog

Search & add local tours and experiences (Italy/EU). Operators: first 100 bookings free, then 5%.

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norway-invoice-mcp

Norway Peppol/EHF BIS 3.0 e-invoices for AI agents: send, check recipient, get delivery proof.

digital-goods-mcp

Merchant-of-record MCP: AI agents sell software & digital goods, global tax handled, BYO key.

ukraine-payments-mcp

Ukraine payments for AI agents — LiqPay cards / Apple Pay via LiqPay. Never holds funds.

spreadsheet-mcp

Agent-safe Excel workbook analysis, editing, recalc, and verification tools.

100hires

Official 100Hires MCP: AI ATS & Recruitment Software for candidates, jobs, applications, interviews.

vivid-ads-commerce

Live signage pricing, formal quotes and draft orders from Vivid Ads Australia. Open pre-sales MCP.

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mcp

Suche in Schweizer Gerichtsentscheiden aller Instanzen (Bund, Kantone) in DE/FR/IT.

weibo-insights

Weibo hot search, post search/details, comments/replies, users, posts, transcript.

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.

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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.

flow2

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