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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

getalife-budget

Zero-Based Budgeting tools: budget plans, runway, net worth, savings goals, debt payoff plans.

update-hijack-poc

PoC benign MCP server for update-hijack security research

graphlens-mcp

Semantic code graph MCP server for coding agents

signal-oracle

Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs)

chromeflow

Lets Claude Code or Codex CLI drive your real Chrome — sessions intact, 28 browser tools.

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tradetime-mcp

Read-only trading hours for 30 stock exchanges — open now, next open, holidays, sessions.

nimistu-mcp

Estonian Business Register: companies, people, beneficial owners, trademarks. Free, no API key.

noaa-marine-mcp-server

Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.

mcp

AI-powered application security testing — scan APIs, discover endpoints, and find vulnerabilities.

mftool-mcp

MCP Server for publicly available Indian Mutual Funds data

devops-mcp

An MCP server that provides DevOps and DevSecOps context for the project

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dispatchseo

Open-source SEO manager for coding agents: keyword research, content PRs, rank + Search Console.

nist-nvd-mcp-server

Search and audit NIST NVD CVEs by keyword, severity, CWE, CISA KEV status, and CPE.

n3mc-workingmemory

Ephemeral 7-day hybrid vector+BM25 working memory, multilingual, backed by Redis Stack.

trust-oracle

Independent A-F trust grade for any MCP server, watched for drift. Free, never for sale.

banproof-mcp

Audit creator scripts for TikTok Shop and Amazon policy violations. Returns flags and safe rewrites.

eu-verify

European business verification for AI agents: registry, VAT, sanctions, IBAN. Pay-per-call x402.

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continuewith

Install the ContinueWith AI handoff widget from coding agents (Cursor, Claude Code, Codex).

cool-workflow

Signed, cited, replayable workflows for Claude, Codex, Gemini, DeepSeek, and other agents.

calc-mcp

21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.

rendex-mcp

Render HTML, Markdown, or URLs to images, PDF, or branded artifacts; extract and watch pages.

conversor-iae-cnae

The first fiscal MCP server for Spain: IAE/CNAE 2025, AEAT modelos, IRPF/IVA, RETA quota.

toml-yaml-json-mcp

Parse, format, and convert configs across TOML, YAML, and JSON.

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mytelescope

MyTelescope demand intelligence: signals, forecasts, competitor share, and emerging trends.

sentor-mcp

Score sentiment toward specific entities in text. Cluster documents and name topics.

open-registry-poc

PoC: Open Registry supply chain — unvetted server listing (security research)

coalent

Fresh, attributed facts from your sources — cached, and invalidated the moment a source changes.

modern-cli-mcp

MCP server exposing 104+ modern CLI tools for AI agents with JSON output.

locus

Hierarchical markdown memory palace for AI agents — structured palace navigation via MCP tools.

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pickanagency

Search 47,000+ marketing agencies and get AI-matched with fitted agencies, from Pick an Agency.

noaa-climate-mcp-server

Search NOAA climate stations and datasets, fetch historical weather observations.

mcp-broker

Local MCP broker that exposes one compact entry for many upstream servers.

research-sprint

AI research reports: market analysis, competitor intel, blog posts. USDC payment.

korg-recall-mcp

Cross-vendor semantic memory: recall across Claude Code / Codex / Grok sessions by meaning.

dokumendiregister-mcp

Estonian public-authority document registers: one search across all, docs linked to companies.

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pulsefeed-x402

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

docweave-mcp

Generate and read PDFs for AI agents: a generate_pdf and a read_pdf tool, priced per document.

mcp-commerce-starter

FastMCP commerce server starter: product catalog, search, and checkout. Deploy to Vercel in 5 min.

vectordecisions-mcp-server

AI Governance MCP Server - GATRI trust scoring, kill-switch, EU AI Act compliance for Claude

agentcron

Schedule tasks for later from your AI agent: reminders, delayed webhooks, recurring jobs.

blea

Safe BLE diagnostics, evidence workflows, and guarded automation for AI agents.

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agentping

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

arctura-reef

Deterministic same-seed but-for twin for battery fleets — synthetic-only (DR-236)

aide-mcp-server

MCP server for NetApp AI Data Engine

sshmcp

SSH server management with zero-token SFTP file transfer and SOCKS proxy support

artel

Self-hosted shared-memory & coordination mesh for AI agent fleets. You host it; agents connect.

noderail

Provenance and governance layer for AI-readable knowledge. NodeRail answers what AI should trust.

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normi

French real estate data API (DVF) — 17M+ geocoded transactions since 2014.

sportiq-mcp

MCP tools for FIFA World Cup 2026 football, Formula 1, and IPL cricket — sims, strategy, fantasy.

pdfnative-mcp

PDF native MCP server: generate, validate, sign PAdES, embed, extract. AI-powered.