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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

aws-mcp-connector

MCP server for the AWS CLI. Read-only by default; single Go binary.

mcp

Connect AI Assistant to Fibery — operating system for orgs run by nerds.

spectra-mcp-server

Spectra Finance MCP server: yield discovery, PT/YT, looping, Morpho, 10 chains

dyslex-ia

Accessibility MCP server and Agent Skills for AI agents. Requires Superpowers.

titan-store

MCP commerce surface for compute credits, API keys, GPU instances, and cloud storage.

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fr24api-mcp

MCP server providing access to the Flightradar24 API for real-time and historical flight data

seedweaver-mcp

Schema-aware relational test data generator with working foreign keys, for any MCP client.

foodblock-mcp

Food data tools for any AI agent. Describe food in English, get structured data back.

lanhu-design-mcp

Read Lanhu design specs and export fine-grained UI assets with platform-adjusted units

openchainbench

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

mcp-server

Branded talent docs: assessment reports, profiles, shortlists & proposals in DOCX/PPTX/PDF/Excel

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crypto-intel-mcp

Crypto prices, market overview, DeFi TVL, whale flows & anomaly scans for trading agents.

fact-check-mcp

Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.

mint-mcp

Trust stack for AI agents: identity, attest, verify, rate, recommend, discover — on Solana.

weather-intel-mcp

Weather data, forecast API, climate data, historical weather, alerts, agricultural & travel weather.

credence

Epistemic guard for AI coding: tracks uncertain values and blocks writes until verified.

flowvolt

Cold engine for B2B founders. Detects buying signals, drafts outreach, books qualified meetings.

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resultrail

Five-to-twelve-cent source-attributed public URL and domain result packs for AI agents.

sports-booking

Search bookable London courts, pitches, lanes and pickup games across every major UK provider.

activitypub-mcp

Read-only-by-default MCP server: let LLMs explore the Fediverse — Mastodon, Misskey, Pleroma.

academic-intel-mcp

Academic paper search, scientific literature, citation analysis, arXiv & semantic related-work.

forge-mcp

Cross-OEM industrial machine intelligence: identity, normalization, automation, attestation.

foundrynet-scrape

x402-gated web extraction gateway. Tools: extract, extract_batch.

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deploy

Zero-Ops deploy of a private AI workspace to your own VPS — from your AI chat. Free and open-source.

oss-intel-mcp

GitHub project health, package dependency risk, trending repos, license & package comparison.

ragscore

Generate QA datasets & evaluate RAG systems with failure diagnosis. Any LLM.

fullenrich

Search B2B contacts, enrich verified emails and phone numbers, and export results.

product-cli

Knowledge graph CLI for managing features, ADRs, and test criteria as MCP-discoverable artifacts.

eli

AI ops team for founders: approvals queue, inbox triage, briefing, follow-up drafting.

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lock-in-study-planner

Study planner for high school students. Manage tasks, deadlines, and schedules.

foundrynet-search

x402-gated web search gateway. Tools: search, search_enriched.

knowing

Content-addressed code graph with 22 MCP tools for AI agents.

preflight

Route URLs for AI agents before fetch or browser rendering.

financial-signals-mcp

Derived financial intelligence: insider patterns, earnings, institutional & ratio signals.

funplay-unity-mcp

stdio bridge for the local Unity Editor MCP server from FunplayAI/funplay-unity-mcp.

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recover

Deterministic next-step decisions after failed API, MCP, automation, or AI-agent actions.

mcp

Build, run, inspect, and publish browser extensions from any MCP client. 31 tools, 11 browsers.

freeastroapi

Western, Vedic, and Chinese astrology calculations, charts, forecasts, and geocoding.

patent-intel-mcp

Patent search, USPTO data, patent landscape & pgvector prior-art search for agents.

alice-territorial

Donnees sante territoriale France : acces aux soins, FINESS, RNA — 35 000+ communes

unity-mcp

stdio bridge for the local Unity Editor MCP server from FunseaAI/unity-mcp.

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gecko-mcp

Control Firefox browsers (Floorp, LibreWolf, Zen, Firefox) from any MCP client.

humanizer

Transform AI-generated text into natural, human-sounding content that bypasses AI detectors.

gru953-crew

GRU953 Crew's autonomous multi-agent coding method, exposed as callable MCP tools.

once

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

ani-mcp

A smart MCP server for AniList that gets your anime/manga taste - not just API calls.

taskchampion-mcp

MCP server for Taskwarrior 3.x, TaskChampion, and Timewarrior task management.

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signal-desk

One-to-three-cent spend routing, lead research, token-risk, and agent-tool comparison preflights.

guardian-mcp-server

Guardian Open Platform — search and retrieve full article text from The Guardian archive.

notify-hub

Send notifications across 23 channels with 36 AI-ready tools. One API, zero boilerplate.