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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

timergy

Create scheduling polls, vote, and finalize times from AI agents.

miniframe-tools

Brazilian tools for agents: Pix codes, CEP, CNPJ + web capture and PDF. Pay per call.

labtestsuperstore

Read-only U.S. lab-test catalog, collection-site search, and reference-range context.

tidebase

Inspect Tidebase agent runs, resolve approval gates, and trigger recovery from your AI assistant.

corent-mcp

Generate images and videos via the Corent API — auto model routing with provider fallback.

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contract-ops-mcp

One MCP server for the contract-ops suite: all nine local-first CLIs as agent tools.

code-firewall-mcp

Structural similarity-based code filter. Stops malicious code pattern reaching execution tools.

massive-context-mcp

Handles 10M+ token contexts with chunking, sub-queries, and local Ollama inference.

trustsource

x402-paid domain verification for AI agents — trustscore, SSL, security headers, robots.

ghost-mcp-server

Minimal MCP server for Ghost Security API - compatible with all MCP clients

sentinel-data-exploration

Find relevant security data from Sentinel data lake for building effective agents. More:aka.ms/s/de

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viator-mcp

Search Viator tours and activities — products, availability, attractions, destinations.

untappd-mcp

Untappd MCP — search beers/breweries/venues, read check-ins & wishlists, post check-ins

skylight-mcp

Skylight Calendar for Claude — family events, chores, and rewards.

gpusmarket

Rent real GPUs from the terminal. Per-second billing, $0.50 minimum. stdio MCP server.

tripadvisor-mcp

TripAdvisor location search, details, photos, and reviews via the Terra API

awx-mcp-server

Control AWX/Ansible Tower through natural language - 49 tools for automation

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synter-ads

Manage ad campaigns across Google, Meta, LinkedIn, Reddit, TikTok, and more via AI.

datadog-mcp

Full Datadog API access: monitors, logs, metrics, traces, dashboards, and observability tools

sftunes

Hand-made human mixtapes with liner notes. Paid tools $0.01 USDC via x402, 80% to the tapemaker.

kirok-mcp

Persistent memory for AI agents - hybrid semantic + keyword recall with autonomous consolidation

gcal

A MCP server that works with Google Calendar to manage event listing, reading, and updates.

secretcarousel

Agent-first secrets vault. Store, rotate, and share credentials from chat. 20 tools.

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ghost-publisher

Local-first MCP server for safe Ghost posts, Pages, scheduling, images, and publishing.

cowork-history

Hybrid search for Cowork history: FTS, Spotlight, and semantic vectors

MCP

EduBase MCP server

synapse-secure-memory

Zero-Knowledge Context™ & Neural Handover™ for AI Agents. The Trust Layer for AI Memory.

brain

Turn AI chats into vocabulary: capture words and grammar into spaced-repetition flashcards.

talkthru

Talk while using your app — your coding agent gets each sentence aligned to the frame. Fully local.

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ocultar-pii

Zero-egress PII redaction for Claude. Runs locally — no data leaves your infrastructure.

ontomics

Index your codebase's domain knowledge. 20x fewer tokens, 10x faster.

edge-latency-guard

CDN and edge computing latency monitor analyzing network hops.

feishu-user-plugin

Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.

evermint-mcp

Mint tamper-evident receipts for AI agent actions. The notary layer for agent-to-agent transactions.

labor-trends

Labor market trend analyzer utilizing advanced NLP semantic parsing.

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logsentinel

Anthropic logs audit filter and cybersecurity threat analyzer.

saju-mcp

Korean Four Pillars of Destiny (Saju/Bazi): calculate, interpret, compatibility & daily fortune.

nucleus

MCP server for persistent memory, execution verification, governance, and compliance.

mcp

FinishKit MCP: scan GitHub repos for security vulnerabilities, deployment blockers, and quality

androidapi-mcp

Send SMS & WhatsApp, verify OTPs, manage contacts, and control Android devices via AndroidAPI.net.

mcp-server

Prediction market probability oracle. 500+ markets from Kalshi, Polymarket & Metaculus.

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wpf-dev-pack-mcp

Serves WPF Dev Pack knowledge topics to AI agents from a local repo clone.

imap-mcp-pro

Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.

jprofiler-mcp

Java profiling with AI agent integration. Profile CPU, memory, JDBC, HTTP and more.

mcp

MCP server for generating Chromium-style QR codes with optional Dino logo or custom center image

foundrynet-inference

x402 LLM proxy + data-enriched analysis (17 sources) + TimesFM predictive IoT intelligence.

branding-mcp

AI-powered brand identity generation via MCP with design tokens, typography, and logo assets.

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ulink

Deep linking for iOS, Android & Flutter. Firebase Dynamic Links alternative.

avito-mcp

An AI agent that runs your Avito account — 148 tools for chats, listings, promotion, orders.

feedoracle-macro-mcp

Real-time macroeconomic signals for AI agents. 86 FRED series, regime classification, DeFi rates.