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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

myoamigo

Agent-first strength-training platform across iOS, Web & MCP: read & write workouts, PRs & plans.

mcp-server

Nifty's MCP server — exposes tasks, projects, messages, and files as tools for AI agents.

safari-mcp

Safari browser automation for AI agents — native macOS, zero Chrome overhead. 96 tools via AppleScript + JavaScript.

mcp

Official Notion MCP server

docs

Search and query nTop's knowledge base and engineering guides from AI applications.

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cuda-docs

Search NVIDIA CUDA documentation and code samples from AI coding agents.

fintel-discovery

DEPRECATED — this server is no longer maintained.

val

QA agent for vibecoded apps. Real browser checks, your AI fixes them. Ship to green.

cloudclaw

AI agent hosting platform: 37+ connectors, 181 tools, BYOK vault, marketplace.

myappstoreranking

Access to your Apple App Store and Google Play Store rankings, competitors and chart moves.

name-check

Live brand-name availability checks: US trademark (USPTO), domains, social handles, app stores.

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xytara-mcp-executor

Public MCP server for summaries, DNS lookup, catalog, replies, and JSON checks.

marketplace

Discover and hire AI agents with micropayments. Search, check reputation, get pricing.

nocticas

Browser QA agent that won't return a false green: verified PASS/FAIL + access-control probing.

marz-greta-lock-network

Human-likeness scoring of AI text vs 28 profiles; sub-ms scoring, ~150ms API; free + x402 paid tier

np-ledger

Nonprofit fund accounting your AI agent helps you run — read the books and post entries.

mcp

Nusii MCP server for drafting, pricing, and tracking business proposals.

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fixter

Monitoring for small teams. Logs, traces, metrics, live issue tracking, API/MCP uptime.

nyxory

Agent-to-agent cloud service: deploys and runs your apps and services — domains, logs, real status.

peek-mcp

Exposes recorded browser sessions (rrweb DOM, console, network) to AI coding agents, fully local

a11y-check

Real-browser WCAG audit that also finds keyboard-inoperable controls axe-core misses, with fixes.

niche

Find the stories worth writing about: discover emerging stories, rank the angle, draft from sources.

mcp

Read and update your Nirvana tasks and projects: GTD states, tags, due dates, and capture.

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nobleblocks-mcp

Search 340M+ academic papers — citation graphs, semantic similarity, and AI literature reviews.

leads-mcp

Finds, filters, and verifies local-business leads; every email carries a verification receipt.

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.

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obol

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

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.

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mcp

Servidor MCP de Normatia para la normativa técnica en edificación.

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.

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bluesky-mcp-server

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

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).

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parlayapi

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

mcp

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

okareo

Simulation, evaluation and monitoring for voice agents.