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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

octodock

One MCP URL for all your apps. 600+ actions for AI.

octoparse-mcp

Official Octoparse MCP server for template discovery, cloud tasks, and structured data export.

site-tools

Deterministic Odoo ERP calculators: implementation cost, ROI, TCO, tax, payroll, inventory.

mcp

From first signal to satellite evidence: live world-event intelligence and collection planning.

mcp

Collector-car auction history, live listings, bid trails, and market statistics for AI agents.

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lacuna-mcp

Generate AI music via the Lacuna Music API from MCP clients like Claude Desktop & Code.

partuno

DigiKey and Mouser MCP server for component research, BOM analysis, and sourcing.

graph-query

Architecture-grounded query for AI agents. Governance constraints, system dependencies, evidence.

public

Public fellowship and grant search with sourced details and live filter vocabularies.

otto-travel

Plan, book, and manage business travel.

pairoa

Your AI meets theirs before you do — private matching for needs, offers, and opportunities over MCP.

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agent-tools

Run the Energy Leak Quiz, match biohacking gear, and build a longevity stack. Free, no API key.

frostbyte

Roadmap, tasks, releases and user feedback your coding agent reads and writes over MCP.

api

Official MCP server for managing OVHcloud infrastructures, services & account

palate

The taste layer for AI website builders: real design taste from 270+ deeply-analysed sites.

pet-listings

Search live Pawlisty pet listings by species, breed, location, and price.

mcp

PDF tools for Claude: merge, split, compress, convert, OCR & more. Requires a PDFHaul API key.

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lasso

Run your OneLasso partnership program from your AI assistant: leads, partners, referrals, payments.

mcp

Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.

outagedeck-status

Live status for 172 cloud and SaaS vendors from their official feeds. Is it you, or is it them?

mcp

Official MCP server of Origine Paris: recycled gold and IGI-certified lab-grown diamond jewellery.

indicator-code

Verified cross-platform implementations of Owl Group Trading indicators as queryable code.

paysafe

Payment firewall for x402: scans for replay, overpayment, PII/secret leaks, prompt-injection.

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pch-x402-mcp

PathCourse Health inference SKUs as x402 paid MCP tools, billed per call in USDC on Base.

mcp-server

MCP server for Pentest-Tools.com: run scans, manage findings and reports via your preffered LLM.

gtm-os

AI-native GTM OS for B2B SaaS — account health, pipeline, renewals, territories, and benchmarks.

theory-mcp

Chords, scales, progressions, transposition, and MIDI tools for music theory AI agents.

pixelixe-mcp

Brand-safe MCP for AI agents to create editable, on-brand graphics and automate variants.

mailbox

Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

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contracts

Contract drafting, statute-cited US state law requirements, non-compete checks, risk analysis.

mcp

Open, verified shop database for AI agents: products, offers, price comparison, trust and coupons.

registry

Find, inspect and install reviewed reusable AI-agent capabilities from superskill.sh.

trust-check-mcp

Free OFAC SDN wallet screen + sample preview for AI agents on Base. Read-only, no payment surface.

pantry-persona

AI-powered kitchen management — pantry, recipes, meal plans, shopping lists

parallax

Agent-callable Parallax services: catalog, pricing, project start, and booking.

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allmcps-server

Search, browse, and submit MCP servers to the AllMCPs.com directory.

pearl-api-mcp-server

Hybrid human + AI expertise for faster, trusted answers and decisions via MCP Server.

phronesis-hermes

Decision-assurance for AI agents: an auditable action boundary + receipt before it acts.

podkit

Podcast search, metadata, chapters, and transcripts for AI agents — from $15/mo

decks

Upload AI-written HTML presentations and manage expiring, revocable share links over OAuth.

catastro

Catastro espanol en JSON limpio: inmuebles por referencia catastral, coordenadas o direccion.

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printing-labs

Corporate gifting: catalog search, bulk GST pricing, quotes, meetings, HR welcome-kit automation.

repo-graph

Structural graph map of any codebase so LLMs navigate by structure, not guesswork.

wildfire

Active wildfire incidents from the National Interagency Fire Center

mcp

Query your OpsLevel internal developer portal: catalog, maturity data, and tech docs.

mcp-toolbelt

Pay-per-call web, SEO, DNS, and network tools via the x402 protocol.

options-analysis-suite-mcp

Options analytics: 17 pricing models, 17 Greeks, GEX, IV, 23 screeners, unusual, dark pool, max pain

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parcellaunch

Turn a US address or parcel number into an interactive 3D flyover listing in about a minute.

mcp-gateway

Deterministic industrial replacement engine with official catalogs and expert accuracy checks.

google-sheets

Query your Google Sheets as structured JSON: list sheets and tabs, read schemas, filter rows.