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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

meok-ev-recall-transport-mcp

EV-recall transport compliance — ADR Class 9 (UN3480/3481/3536/3556/3557/3558), DGSA workflow

mcp

Monitor websites, APIs and services with 44 tools across 22 protocols

remarkable

Access your reMarkable tablet - read documents, browse files, extract text and OCR

autodesk-revit-mcp-server

MCP server connecting AI assistants to Autodesk Revit through a local bridge.

oneshot-mcp

Search receipt-verified agent build packs, with each pack's real M-of-N pass rate.

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shipping-rates

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

bies-guardian

Deterministic sealed verdicts on public claims and startup ideas (0-LLM claim-safety guardian).

shell-exec-mcp

Execute bash commands with background job support.

decision-intelligence

Log, evaluate, and ground AI decisions against authority context. Returns PASS, WARN, or BLOCK.

ontario-protocol

Verify x402 endpoints before payment or publish service profiles for agent discovery.

actors

Polymarket whales & odds, hiring signals, LLC filings, GovCon recompetes, clinical trials on Apify

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mortgage-calculator-ai-mcp

mortgage-calculator-ai-mcp MCP server by MEOK AI Labs

performance-ai-mcp

performance-ai-mcp MCP server by MEOK AI Labs

gmail

A MintMCP server for Gmail that lets you search, read, and draft emails and replies.

starling-bank-mcp

Allow AI systems to view and control your Starling Bank account via MCP.

mintverdict

Solana token risk verdicts, rug checks & outcome labels for AI agents. Pay-per-call x402 USDC.

mcp-icp-fit-scorer

Scores a company against your ICP with weighted signals. Returns score, tier, and breakdown.

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otp-ai-mcp

otp-ai-mcp MCP server by MEOK AI Labs

proofof-ai-mcp

proofof-ai-mcp MCP server by MEOK AI Labs

alces-mcp

Alces for Jira Data Center — MCP server bridging Jira DC/JSM with AI agents

mcp-pve

Manage Proxmox VE through AI assistants

mobbin

Search real-world UI & UX design references for mobile apps, web apps, and websites with Mobbin.

phasefolio

Biotech rNPV/PoS engine for AI agents. Signed exports, evidence register, asset landscape.

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booking

Book a private driver in Paris: live quotes, airport transfers, tours, VIP Meet & Greet. No auth.

books

Read-only MCP server for verified book recommendations and reading lists.

ubersuggest

Ubersuggest SEO tools: keyword research, competitor analysis, backlinks, site audits and more.

coherence-signal

A brand's claim (website coherence) vs its reality (recent news), and the divergence.

newtqnia

Read-only access to NewTqnia news, terminology, and explainers in English and Arabic.

readme-generator-ai-mcp

readme-generator-ai-mcp MCP server by MEOK AI Labs

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mcp-company-social-presence-mapper

Map a company domain to its social media URLs and follower counts via Apify.

naming-signal

Evidence-first naming: briefs, sprints, exact domain checks, finalist research. Read-only.

holster-mcp

Local-first secret scanning, rotation, vault, and audit-log tools for AI agents.

mcp-server

Calculate US household employer (nanny) taxes + run payroll via AI agents. All 50 states.

recipe-finder-ai-mcp

recipe-finder-ai-mcp MCP server by MEOK AI Labs

photography-ai-mcp

photography-ai-mcp MCP server by MEOK AI Labs

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evolutiondb-memory

Persistent long-term memory for Claude Desktop / Claude Code, backed by EvolutionDB.

client-compass

Behavioral intelligence for client-facing professionals. Know who you're walking into.

arb-dex-mcp

Live cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state.

arachne-mcp

Arachne MCP — scraping, browser, vision, OCR, RAG, Social Research, GitHub + VRT (56 tools).

rag-knowledge-graph-mcp

rag-knowledge-graph-mcp MCP server by MEOK AI Labs

slugify-ai-mcp

slugify-ai-mcp MCP server by MEOK AI Labs

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nlqdb

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

o360-mcp

Run Offensive360 SAST scans (60+ languages) on local code; findings with file/line and fixes

cosync-local

Local encryption and project setup plugin for CoSync. Keys never leave your machine.

cosync-remote

Knowledge graph ingestion, entity search, ontology analysis, and CoSync scoring.

olympus-bets-analytics

Quant sports analytics: 19 read-only tools across 12 leagues, projections, methods, track record.

mcp-server

MCP server for Lightning Tools — pay-per-call AI tools via Bitcoin Lightning

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atlas

The world railway atlas as MCP tools: 744+ legendary train routes, night trains, journey times.

world-model-mcp

Temporal knowledge graph for codebases with constraint enforcement at the edit boundary.

mcp

Query NPS, CSAT, CES, and PMF survey results, responses, and links for your UserVane project.