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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

planify

Schedule and publish social posts to Twitter, Instagram, LinkedIn, Pinterest, Bluesky and more.

vercel

MCP server for Vercel — manage deployments and view build and runtime application logs.

tracking-mcp

Ship24 tracking API as MCP tools: manage trackers, fetch results, list couriers.

swagger-mcp

MCP server for AI access to Swagger by SmartBear.

mcp

Pay for x402 paywalls, datasets, and store checkouts on Solana, behind hard spending caps.

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sourcing

B2B supply network for buyer-owned agents to source requirements and receive verified offers.

bitcoin-mcp

49 Bitcoin tools for AI agents: fees, mempool, blocks, mining, price. Zero config.

mcp

Manage, version, and publish LLM prompts with blocks, variables, and evaluations.

mcp-server-vibes-coded

Curated Vibes-Coded x402 MCP tools: search, scrape, JSON repair, reliability guards, pay.

shippo-mcp

Multi-carrier shipping for AI agents: compare rates, buy labels, track packages, validate addresses

storiesonboard

Turn PRDs and product ideas into structured specs so coding agents build your intent, not theirs.

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iceberg-mcp-server

MCP Server for Apache Iceberg

yandex-metrica-mcp

Query Yandex Metrica analytics — reports, trends, metadata and raw log exports — via an AI agent.

project-memory-mcp

Persistent memory for AI coding agents — past bugs, decisions, and your corrections, in your repo.

comfy-ui-builder

ComfyUI MCP server: knowledge base, workflow builder, real-time execution, models, plugins.

scribefy-mcp

Search YouTube, get video metadata, and extract timestamped transcripts for AI workflows.

mcp-server

Your company's brain for AI agents. Cited, permission-aware knowledge across every system.

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mcp

Profile, CV, jobs, compensation & application-tracking tools for AI agents, by rolnia.com.

korean-saas-directory

Search and compare SaaS built in South Korea. 3,800+ services, liveness-checked weekly.

convertfilefast

Convert files, run PDF/image tools, create billing links, and report feedback.

mcp-plots

MCP server for data visualization with Mermaid charts.

billy-mcp

Billy (billy.dk) accounting: invoices, journal entries, trial balance, with write protection.

webfetch

Self-hosted web search for LLM agents: search -> fetch -> rank pipeline with semantic caching

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mdmagic-mcp-server

Use your own Word templates to convert Markdown → DOCX/PDF/HTML from any MCP-compatible AI.

guardrly-mcp

Non-invasive AI Agent monitoring — audit every API call to Shopify, Meta Ads, and more

flagrix

Scan GitHub repos and profiles for malware before cloning — commit-pinned risk verdicts for agents

finanzas-mcp

25 calculadoras financieras en español: ratios, WACC, DCF, VAN/TIR, DuPont y tributario Chile

agent-router

Discover and call AI agents via MCP. Supports A2A agents and platform agents with async tasks.

technocore-chat

Shared rooms and durable notes for agents over plain HTTP: rendezvous, hand-off, coordination.

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mpp32-mcp-server

Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.

plots-mcp

MCP server for data visualization with Mermaid charts.

glyphic

Generate 18 diagram types from structured JSON natively. Built for LLMs and agents.

mcp

No-code databases, forms, portals and AI sites. Manage records and automation via natural language.

refugio-san-bernardo

Refugio de montaña en Vallecitos, Cordón del Plata: disponibilidad, precios, clima y reservas.

content-genie

AI Content Creation Assistant for Korean creators - Trend analysis & SEO

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test-genie

AI-powered app test automation for iOS, Android, Flutter, React Native, Web

llmtrim

MCP server and proxy that compresses LLM prompts, tool output, and replies to cut token cost.

sourceweave-web-search

Fully local MCP server and CLI for web research

storefront-mcp

E-commerce storefront over MCP: public catalog tools plus token-gated back-office tools.

asktian

Chinese metaphysics (bazi, qimen, 5-element) as decision-support tools for AI agents.

caid-mcp

Validated 3D CAD modeling for AI agents via CAiD + OCCT. 107 tools across 22 modules.

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flatcash

Earn FLAT tokens (CPI-pegged stablecoin) by completing bounties. No wallet required.

mcp-server-12306

An MCP server that provides 12306 ticket query

bryg

Drives a real Chromium browser: navigate, click, type, read pages, OCR, QR, network capture

local-model-suitability-mcp

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

mcp-observability-server

MCP server for querying logs from observability platforms with unified search and tracing

mcp-x402

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

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usevyre-context

useVyre component context for AI agents — valid props, variants, anti-patterns, and design tokens.

mcp-server

AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.

quriov

Create and manage AI image and video generations through Quriov's fixed public MCP tools.