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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

web-mcp

Provider-fixed web search plus transparent URL, DOI, and document fetching

agent-memory-mcp

Memory, docs, and repo context layer for engineering agents.

patchistry-mcp-server

DTC modular hat brand MCP server. 6 tools for AI agents: catalog, curated builds, shipping.

terravision

Cloud architecture diagrams generated from terraform plan, with official AWS, Azure, GCP icons

unlocalhost

Deploy localhost to a private, authenticated link from your AI coding agent.

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decisionmatrix-mcp

Deterministic multi-criteria decision analysis for AI agents — score, rank & explain options.

certidao

MCP server para gerenciamento de certidoes de cartorio via IA.

mneme-ai

Memory layer for AI coding assistants. Indexes git history + code, exposes via MCP.

shopify-mcp

Read-only MCP for the Shopify Admin GraphQL API. 6 tools, full read surface, multi-store.

property-shared

UK property data — Land Registry comps, EPC, Rightmove, rental yields, stamp duty, Companies House

payu-developer-mcp

Search PayU docs, browse the payment integration catalog, and fetch production-ready code.

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intenttext-mcp

Parse, validate, query, and render IntentText (.it) documents for AI agents

sovereign-engine

15 paid AI agent primitives via x402 (USDC on Base). Pay-per-call MCP server.

evalgate

Statistical checks an agent runs before trusting an AI eval number (is #1 real, judge bias, more).

agentdilemma

Submit a dilemma for blind community verdict with reasoning to improve low confidence

clinicaltrials

ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)

feedhook-mcp

Turn a YouTube channel into a webhook: a signed HTTP POST seconds after every new video.

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superhighway-mcp

Web search for AI agents — 5 tools: search, news, images, scrape, research. x402/USDC or API key.

bailii-mcp

Search UK case law on BAILII — court judgments with section extraction. Runs locally.

uk-legal-mcp

UK legal research — case law, legislation, Hansard, bills, votes, committees, HMRC, citations

dreissigacker-wine-concierge

Wine recommendations, food pairings & B2B contact for Weingut Dreissigacker, Rheinhessen.

pay-mcp

USDC payments for AI agents on Base — direct, tabs, x402 paywalls, discovery

cisco-sdwan-mcp

MCP server for Cisco Catalyst SD-WAN (vManage): fabric inventory, device health, alarms, policies.

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agentos

AI agent fleet orchestration runtime. Spawn, coordinate, monitor autonomous agents.

clickup

ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)

cms-open-payments

CMS Open Payments, with annual dataset discovery through the official DKAN API.

codestats

Code::Stats public coding-XP profiles (codestats.net)

cloudflare

Cloudflare MCP Server — 84 tools for DNS, Tunnels, WAF, Zero Trust, R2, KV & Workers

postgres

PostgreSQL MCP Server — 27 tools for queries, schema, CRUD, DBA, HA & server management

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hiresignal

Hiring-intent signals for B2B sales/GTM: turn live job postings into buying signals.

pinescript-mcp

Pine Script v6 documentation lookup, function validation, and linting for AI code generation

gpt-image-2-polza-mcp-server

GPT Image 2 MCP server backed by Polza media and storage APIs.

nanobanana-2-polzaia-mcp-server

Nano Banana MCP server backed by Polza media and storage APIs.

perplexity-polza-mcp-server

Perplexity MCP server backed by the Polza.ai chat completions API.

mattalk

AI story generator — create illustrated storybooks, AI songs, and short AI video films

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singularity

MCP for Singularity Layer - discover listings, manage assets, run payment flows, and use agents

memory-mcp

SQLite-backed MCP server for persistent memory, full-text retrieval, and graph traversal.

filesystem-context

🔍 Read-only MCP server for secure filesystem exploration, searching, and analysis

nexus-mcp

Invoke CLI agents (Codex, Claude, OpenCode) as MCP tools with parallel execution

superfetch

Intelligent web content fetcher MCP server that converts HTML to clean, AI-readable JSONL format

RokuMCP

MCP server for Roku device automation — deploy, ECP control, screenshots, and debug console

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drillspark-mcp

Create and manage Mermaid.js flowcharts and diagrams with AI agents via MCP.

awardtravelfinder

Search award flight availability, points pricing, and status matches from your AI assistant.

flightqueue

TSA wait times, predictions, FAA delays, and baggage stats for 8,000+ airports.

flightseatmap

Look up airline seat maps, find the best seats, and manage seat alerts from your AI assistant.

discord-mcp

MCP server for the Discord REST API: 5 read tools always on, 7 write tools env-gated, default off.

desktop-mcp

Windows desktop-control MCP server: screenshot, window mgmt, mouse/keyboard input, recording.

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rag-mcp

Minimal RAG-over-a-corpus MCP retrieval: search_knowledge returns cited chunks. Local embeddings.

mcp-factory

Manifest-driven MCP server scaffolder and runtime hub for tool integrations.

rails-mcp

Default-deny action registry, append-only spend ledger, and human sign-off audit trail (MCP tools).