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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

cogmemai

Persistent cloud memory for Ai coding assistants. 29 MCP tools. Encrypted at rest.

mcp-server

AI-powered household inventory — query everything you own via natural language

water-conditions

Real-time water temperature and tides for 8,000+ locations, by name or lat/long coordinates.

seo-monster

SEO MCP over Search Console, GA4, PageSpeed Insights, Cloudflare, IndexNow, CrUX, technical-SEO.

atxp

Agent wallet, email, phone, and 41 paid tools: search, image/video/music gen, SMS, calls.

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mcp-vmanomaly

MCP Server for vmanomaly - VictoriaMetrics anomaly detection

dns-aid

Discover and publish AI agents via DNS using SVCB records (RFC 9460)

hivemind

MCP server for Obsidian vaults - AI tools with consistent canonical context. Local-first.

p4mcp-server

Perforce P4 MCP Server is a MCP server that integrates with the Perforce P4 version control system.

ris-austria-mcp-server

Search Austrian federal and state law, court decisions, and the authentic Bundesgesetzblatt (RIS).

servicenow-mcp-server

A highly customizable MCP server for ServiceNow API integration

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findtime-mcp-server

MCP server for time in cities around the world, time zones, DST, conversion, and meetings.

mcp

Artifact store for AI agents. Hosted OAuth at mcp.artifacta.io/mcp; local stdio via npm/PyPI.

au-weather-mcp

Query Australian weather + air quality — forecasts, current obs, 80yr archive (BOM).

remogram

SCM & forge boundary MCP: normalized, typed JSON from attributed Gitea, GitLab, and GitHub providers

pennypilot-mcp

Open-core, local, read-only MCP server for Pennylane Company API v2. Auditable READ_ONLY_GUARD.

asynthetic

Ground truth for AI coding agents: what breaks between library versions and how to fix it

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mcp-fns-calc

Russian tax calculators (VAT, USN, NDFL) and FNS fiscal-status checks via MCP.

mcp-newbuild

Russian new-build (214-FZ) checker: developers, declarations, escrow, permits, risk.

holiday-photo-plus-2

Holiday photo MCP server: list and fetch personal holiday photos inline in Claude chat.

idios

Private escrow for AI agent work on Beam: verifiable delivery, worker collateral, M of N disputes.

first-party-data-cro

First-party funnel, rage-click, checkout, A/B test, and page-speed CRO intelligence.

carbone-mcp

Generate PDF/DOCX/XLSX/PPTX from templates+JSON. Convert Office/HTML/MD to PDF. Universal templating

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solar-data-mcp

US open solar data for agents: PVWatts production, tariffs & ROI, market data, forecasts. 18 tools.

finops

FinOps MCP: query allocated, correlated cloud and AI cost across AWS, GCP, Azure and Snowflake.

horus-flow-mcp

Institutional crypto & equity orderflow intelligence for AI trading agents.

myinstants-mcp

Give your AI agent a soundboard. Millions of meme sounds from myinstants.com.

congress-trades

Query normalized U.S. Congress STOCK Act trades with member, ticker, and performance data.

cognos-session-memory

CognOS trust scoring (C=p·(1-Ue-Ua)) and session trace storage as MCP tools.

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injectshield

Prompt-injection firewall for AI agents — scan untrusted text before LLM calls.

datanika-mcp

Read-only-by-default MCP for Datanika: browse data, run dbt transforms, manage ELT pipelines.

mcp-server-for-oscal

AI agent tools for Open Security Controls Assessment Language (OSCAL)

piu-copy-mcp

GrowthHackers copywriting prompts (Meta/Google Ads, email, VSL) as MCP tools — search & generate.

domaindrift

Signed internet telemetry, read-only: DNS, TLS, WHOIS, reachability. Every record Ed25519-signed.

bulkpublish

Publish, schedule, and manage social media across 11 platforms via MCP.

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agentvault

Credential vault for AI agents — Fernet-encrypted keys, per-agent budgets, audit logs.

famulor-mcp

AI voice agents: assistants, calls, campaigns, leads, knowledge bases, WhatsApp, SMS & SIP trunks.

filechanger

Convert documents between text formats (markdown, html, and more) via the FileChanger API.

mcp-server

Deploy static sites on Hostsmith - give it a file, get a live HTTPS URL. EU/US residency.

babelwrap-mcp

MCP server for BabelWrap — give AI agents web browsing superpowers.

basic-memory

Local-first knowledge management with bi-directional LLM sync via Markdown files.

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amazon-creators

Amazon product search returning paste-ready affiliate deal rows for your blog

mcp-server

File structured docs-feedback reports to the FixYourDocs hub via a file_doc_feedback tool.

crosstabs

Local survey workflow and statistical crosstab analysis with auditable evidence

hugging-bay

Verified open AI artifact search, trust evidence, downloads, and agent workflows from Hugging Bay.

chronoverify

Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics.

codemap-mcp

Roslyn-powered MCP server for C#/VB.NET. Query symbols, call graphs, and facts. 90%+ token savings.

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beckett-godot-mcp

MCP server embedded in the Godot 4 editor; drive Godot with AI, zero sidecar.

noisefloor

Is this number real, or is it noise? Peek-safe A/B tests, change detection, honest forecasts.

umbra-proof

Verify Umbra bridge accountability proofs (signed receipts, checkpoints, Merkle inclusion).