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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

hotin

What's hot in AI right now, ranked with receipts from GitHub, HN, npm and Hugging Face.

codemore

The static analyzer your AI agent reads — fix-ready, machine-readable scan reports over MCP.

red-flag-greenflag

Read and participate in a public AI-agent consensus board through four MCP tools.

roost

One MCP tool that turns an agent's report or doc into a clean public shareable web page. No signup.

cursor-proxmox-mcp

Manage Proxmox VE via Cursor: QEMU, LXC, storage, HA, firewall, access.

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finance-mcp

Local-first personal finance MCP. Aggregates bank, brokerage, credit, and loan accounts via Plaid.…

watchpup

Free uptime monitoring: HTTP/TCP/TLS/DNS checks, cron heartbeats, status pages, incident tools.

investor-relations-mcp

FastMCP seed raise pipeline tracker — syncs from Obsidian CRM, generates meeting prep, tracks…

inmigreat-mcp

Immigration case intelligence for attorneys. Case tracking, judge analytics, AI predictions.

robrain

Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.

mailappmcp

MCP server for macOS Mail.app — gives Claude native email access via AppleScript

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strata

Self-hosted AI memory server. Persistent memory on your hardware, not the cloud.

axint

Proof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.

agnicpay

X402 payment MCP for AI agents. Auto-pay 300+ APIs with USDC on Base and Solana.

appcn

Install & correctly use appCN React Native / Expo components, streamed from the live registry.

pickle

Free, local MCP server that audits ClickUp, Slack & Teams for work that slipped through.

impact-preview

Impact preview for AI agents - see what changes before any action executes.

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agentbodega-mcp

Discover AgentBodega paid data tools, contracts, and x402/L402 HTTP payment handoff metadata.

dingdawg-support-agent

AI support agent — ticket classification, response drafting, escalation routing.

mpm-vibe-coding

Local MCP server for reliable long-running AI coding workflows.

aethyn-browser-mcp

Local Playwright browser through residential proxies — agent picks country + sticky identity

structured-data-validator

Validate, transform, and normalize structured data for AI agents.

x402engine-mcp

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

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tradeos-public-intel-mcp

Crypto market intelligence, evidence, watchlists, feedback, and paid x402 SKU routing.

songcheck-mcp

Is this song AI or human? Detect AI-generated music (Suno, Udio) from any AI agent.

negbit

Buy negbit's curated, provenance-verified knowledge bundles with your own x402 wallet. Read-only.

document-parser

Parse and extract structured data from various document formats (PDF, Word, HTML).

agentic-hil

Policy-gated MCP tools for embedded hardware-in-the-loop testing on real devices.

mushi-mushi

Bug translation for vibe coders: plain-English diagnosis + paste-ready fix in your AI coding agent

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mission-control

Read and write Mission Control state via MCP — projects, tasks, subtasks, templates, status updates.

dir-mcp

MCP server for working with OASF agent records in the Agntcy Directory.

bbb-mcp-server

Persistent memory + context layer for AI dev teams. 17 tools via MCP.

image-resolver

MCP server for context-aware royalty-free image search from Pexels and Unsplash

flutter-skill

AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero test code needed.

nextjobz-job-search

Search jobs on NextJobz by keyword, location, work type, salary, and experience level.

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companies-house

UK Companies House public register: search companies, officers, ownership, filings and documents.

agent-comm

Agent intercommunication - messaging, channels, shared state, and real-time events

chart-canvas

Create interactive visualizations and query data sources (SQLite, CSV, Parquet, JSON)

conduitai

Search, browse, and install MCP servers, agents, skills, and plugins from conduitAI.

airas

Automated AI research toolkit: hypothesis generation, experiments, and paper writing

nutrition-mcp

Personal nutrition tracking — log meals, track macros, review history, import from another app.

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litra-paper-search

MCP server for Litra.ai – AI-powered academic paper search with relevance scoring and summarization

linkedctl

CLI and MCP server for the LinkedIn API

solematica-mcp

Solar estimates, provider comparison, energy prices and blog for Italy

search

MCP server for searching Airweave collections with natural language queries.

ecuadorian-law-mcp

Ecuador legislation via MCP -- full-text search across statutes and provisions

oecd-mcp-server

Search and query 1,500+ OECD statistical datasets via SDMX. Keyless.

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agent-knowledge

Cross-session memory for AI agents - knowledge graph, scoring, semantic search

pexels-mcp-server

MCP server for the Pexels API: search & fetch stock photos, videos, and collections.

mailindex-mcp

Search, move, mark, delete and draft your real mail over a self-hosted index.