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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

goodbarber-public-mcp

Manage your GoodBarber eCommerce, Community, and Membership app via natural language.

veles-finance-mcp

AI financial agent: due diligence, SEC 10-K, Kelly Criterion. Pay-per-call via x402 USDC.

mcp

Free, source-labeled FX rates: 465 pairs across 31 currencies, majors update ~60s intraday.

daleel

Halal stock screening with receipts: every Sharia verdict cites its SEC filing. 5 methodologies.

obol

Pre-trade safety verdicts for agents: token rug/honeypot, calldata guard, wallet risk — signed x402.

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gvnr

Budget & cost control for AI agents — per-agent spend caps + rate limits before each call.

url-shortener

Zero-auth URL shortener for AI agents. Deterministic: same URL always returns the same code.

catchall

Web search API: find every relevant event across the open web, not just the top results.

imap-mcp-server

IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants

gnosem

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

mcp

Servidor MCP de Normatia para la normativa técnica en edificación.

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mcp-server

Commercial auto insurance MCP server for NYC TLC for-hire vehicles. 33 tools, submission to bind.

solidus

Solana pre-trade safety for agents: rug check, honeypot sell-sim, drainer scan, tx preflight.

kamy

Document API for AI-native software: render PDFs, e-sign, PAdES-seal, and verify.

laguarde

Self-hostable policy control plane for AI coding agents.

storebridge-mcp

Remote MCP connector for App Store + Google Play data via StoreBridge API. No auth required.

bluesky-mcp-server

Search posts, profiles, feeds, threads, and trending topics on Bluesky.

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mcp-killchain-stage1-weather

Security research: MCP registries verify identity, not tool behavior. See gtfo.dev.

gtm-tools

A read-only verified record of agent-operable GTM tools: search, fetch, compare, track changes.

mcp

Trip planning for nomadic families: multi-stop trips, Schengen/visa, climate, destinations.

mcp-server

Query professional profiles, search candidates, and get AI-powered summaries and job fit analysis.

mcp

MCP server for US nursing facility search and ownership lookup (NursingHomeDatabase).

parlayapi

Live odds and player props from 32+ sportsbooks, plus arbitrage, +EV and bet verdicts.

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mcp

Operate Obriym CRM from your AI assistant: leads, deals, orders, products, dashboard, reports.

okareo

Simulation, evaluation and monitoring for voice agents.

agents

Pay-per-call safety guards for AI agents: injection, tool-call, signing, secret, x402-trust.

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.

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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.

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.

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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.

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.

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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.

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.

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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.

pch-x402-mcp

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