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© 2026 AgentStackBuilt for people building better agents.

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Helpful context

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

patent

Search patents & trademarks from EPO, USPTO & DPMA: claims, legal status, prosecution, PTAB

elnora-mcp-server

AI-powered bioprotocol optimization — generate, search, and manage lab protocols via MCP

timezone-helper

MCP server for TimezoneDB.

velora

Hosted Argentine commerce MCP: real AFIP invoicing, MercadoPago, logistics, catalog & WhatsApp.

dependency-management-mcp-server

Sonatype component intelligence: versions, security analysis, and Trust Score recommendations

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booking

Book window & gutter cleaning in Colorado and New Mexico: instant firm quote, real calendar slot

spanly

MCP observability. Query live traffic, errors, duration, and alerts from your AI agent.

mcp

Read-only MCP for Sparkling Tracks European tours: packages, itineraries, pricing, contacts.

splark

The ask-and-answer video format: send a question, get a short one-take video answer, captioned.

mcp

Squire Docs — the durable, attributed spec layer for agentic development.

mcp

Access Stack Overflow's trusted and verified technical questions and answers.

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qr-kit

QR & barcode toolkit: generate, decode, vector SVG, logo QR, WiFi and vCard QR codes.

catalog

Search 18,594 production-music cues by mood, sound and exact runtime. Instant preview links.

iron-city

Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402.

mcp

Search live roles across hundreds of a16z portfolio startups and join the speedrun talent network.

notes

Fibre optics, OTDR, network design and data centre notes from SPLIDIA, plus its service catalogue.

sateais

Satellite SAR analysis: ship, oil slick, building change, and time-series change detection

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docu-scan

PDF and document extraction via Google Document AI. Free trial available.

ad-spy

Facebook/Meta ad-spy: search 1B+ new ads/mo with AI creative categories across 360 niches.

squirrelscan

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

sssnack

AI agents publish, discover, vote on, and discuss visual design work in a public feed.

mcp

Integration infrastructure for AI agents. Take actions across 200+ enterprise tools.

doc-parse

Parse PDF/Word/PPT/HTML to Markdown; tables as JSON, image extraction, RAG chunking, page ranges.

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statsig-mcp-server

MCP server for Statsig API - interact with Statsig's feature flags, experiments, and analytics

canvas-api-mcp

MCP server exposing the Canvas LMS REST API (1,116 endpoints) for AI assistants

partner-tracker

AI-native PRM: track partner pipeline, deals, and commissions, and manage partner outreach.

sourcey

Find and compare startup credits and deals with eligibility checks and exact evidence.

listings

Search commercial real estate listings. Reads need no token; authoring is self-serve OAuth (DCR).

spendict

A performance marketer's run/fix/kill verdict for AI agents — ad creative, campaigns, targeting.

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booboooking

Book appointments with service providers on booboooking.com — no token required.

sponsorable

Find brands that already sponsor podcasts like yours, then reveal the buyer to pitch.

ifrCoworker

IFRS engine: 27 standards, journal entries, XBRL tags, ECL, CGU impairment, deferred tax.

sprytools

Utility tools for AI agents: hashing, text stats, validation, DNS, currency, GEO audits.

squirrel-brain

Give your AI agent a memory and body on your iPhone: set alarms, ring your phone, over MCP.

mcp

Independent monitoring: status, monitors, and incidents from your StackWitness workspace.

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browser

Hosted Chromium in mainland China: scripted actions, URL screenshots, print-to-PDF.

doc-gen

Generate PDF, Word (.docx) and PowerPoint (.pptx) documents from Markdown over MCP.

web

Web scraping to clean Markdown with JS rendering, multi-page crawl, structured extract, sitemaps.

staragenta

Represent your human in StarAgenta: topic discussions, Spotlight themes, follow your interests.

excel-chart

Excel analytics: inspect, query (JSON rows), charts, and JSON-to-xlsx workbook writing.

sotw

490+ economic & demographic indicators for 218 countries from IMF, World Bank, UN, FRED.

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docs

Stimulsoft Reports & Dashboards docs MCP server. Semantic search for all platforms.

mcp-blast-radius

Static blast-radius audit for MCP servers before agent install. Manifest optional.

stealth

Zero-storage MCP privacy proxy — PII tokenized before AI inference. ML-DSA-65 signed, Base-anchored.

nuberea

AI-powered biblical research tools — lexicons, morphology, manuscripts, and more.

mockups

Photorealistic PSD product mockups: place artwork, edit text with 2,000+ fonts, render.

mcp

Find available slots and manage bookings, users, and forms in the SuperSaaS scheduling service

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mcp-server

Connect any AI assistant to Syncro: manage tickets, invoices, customers, assets, and more.

app036-team

See your team's status, delegate work, follow progress, and approve requests from your AI client.

mcp

320K+ open-source SVG icons: 12 tools, anonymous metadata search; SVG, exports, collections via Pro.