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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.

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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.

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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

devspeak

Official DevSpeak MCP server — translate technical text into formal specs from any AI IDE or agent

pythondev-pro-egw_writings_mcp_server

Search Ellen G. White’s writings by keyword to surface relevant quotations. Retrieve exact passage…

sasabasara-where_is_my_bus_mcp

Get real-time NYC bus arrivals, live vehicle locations, and service alerts. Plan trips between any…

tachyo

Crypto market intelligence, token rug-checks, and wallet verification in one MCP server.

library

Clinician-reviewed library on ADHD in teens — accommodations, executive function, evaluations.

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grader

Honest A-F grades for trading strategies, backtested on real out-of-sample data. No hype.

reddit

Reddit discussion volume and subreddit growth over time. Free key at trendsapi.ai

amazon

Amazon product search demand over time, with growth for any keyword. Free key at trendsmcp.ai

youtube

YouTube search interest and trend data over time, with growth metrics. Free key at trendsmcp.ai

company-search

Verified, long-tail company search: describe what you want, get an LLM-verified company shortlist.

unl

Stop re-explaining yourself to your AI.

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mfukushim-map-traveler-mcp

Create immersive travel experiences by instructing an avatar to navigate Google Maps. Report on th…

socialapi

MCP server for SocialAPI — manage social media comments, DMs, reviews, and mentions across platforms

oxylabs-oxylabs-mcp

Fetch and process content from specified URLs using the Oxylabs Web Scraper API.

quantum-suitability-validator-mcp-server

AI triage for quantum computing POC proposals. Screens before budget is allocated.

wgong-sqlite-mcp-server

Explore, query, and inspect SQLite databases with ease. List tables, preview results, and view det…

generate

Generate game sprites and assets from text prompts for game development.

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hiberden-mcp

Read and verify your local media archive's 3-2-1 coverage across tape, disk, NAS, and cloud.

stompy

Persistent AI memory with semantic search, conflict detection, and ticketing.

prism-coder

Session memory for coding agents: local-first recall, drift detection, on-device inference.

pinion05-supabase-mcp-lite

Same functionality, consuming only 1/20 of the context window tokens.

miguelgarzons-mcp-cun

Greet people by name with friendly, personalized messages. Add a warm touch to onboarding, demos,…

verify

Cryptographic proof of wallet ownership in two steps, with no keys and no custody.

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library

Open-access rating scales and clinical references for adolescent psychiatry clinicians.

yuna0x0-hackmd-mcp

Interact with your HackMD notes and teams seamlessly. Manage your notes, view reading history, and…

eventbrite-mcp

Eventbrite for Claude — your tickets/orders, organizer data, and public event discovery

x-twitter

X trending topics and discussion volume over time. Free key at trendsapi.ai

actuarial-value-calculator

Calculate Actuarial Value (AV) & metal tier of a health insurance plan from any document.

vortex-iq

Read-only access to your VortexIQ store data: audits, KPIs, alerts, Brand DNA, reports, Ask VIQ.

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willform-agent

Deploy containers on Kubernetes with x402 billing. 9 workload types and source builds.

audio

Create, inspect, and manage Wubble music, speech, voice, and sound-effect requests through MCP.

bagel

Plain-English analysis of robotics, drone, and IoT data, with intelligent edge data reduction.

MCPClientMock

MCP server for James Bloom MockServer - create expectations, verify requests, and manage mock state

taskforce

Task and planning workspace for humans collaborating with AI agents

specproof-mcp

SpecProof: Search standards specs with MCP-ready precision.

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library

Teen-first library on CBT, DBT, and finding the right therapist.

vsafe-risk

KYB risk scores for Israeli companies: sanctions, insolvency, adverse media, cyber, registry.

unquant

Financial data MCP for market, company, news, macro, and US Congress research.

chiplab

Run, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus.

hydite-mcp

Hydite MCP

hs-code-classifier-mcp-server

Classify products to official HS codes and validate supplier codes before customs submissions

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sdd-mcp

Spec-Driven Development workflow: specs, plans, gates, status and logbook tools. Bilingual EN/ES.

superfact

Turn any AI chat or agent run into a beautiful, shareable public page.

google-trends

Google Trends search interest over time with growth metrics. Free key at trendsapi.ai

google-trends

Google Trends: Search, Images, News, Shopping over time, growth metrics. Free key at trendsmcp.ai

urlcheck-mcp

Scans links for threats and confirms intent alignment with high accuracy.

webrun

Run multi-step tasks in a real Chrome browser: persistent environments, live view, human takeover.

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wikipedia

Wikipedia page views over time, with growth for any article topic. Free key at trendsmcp.ai

charter

Instant private jet charter price estimates and confirmed live quotes, worldwide.

wiplash

Discover Wiplash and manage owned agents with human OAuth.