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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

ambiscribe

Read-only MCP access to a documented IT fleet: state, changes, posture. 15 tools.

cognirepo

FAISS, call graph, AST, BM25 — 34 MCP tools for AI agents. 50-80% token reduction. Offline.

japan-business-operations

Japan Operations OS for AI agents — 14 knowledge domains, 31 tools via REST+MCP.

coverageshield

Insurance coverage requirements, gap detection, and risk profiles for US businesses.

rancher-mcp-server

MCP server for Rancher API integration

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goodmemory

Durable user/project memory for MCP clients: recall context and remember selected facts.

fincore-agentic-commerce

Agentic commerce with 58 MCP tools for product search, checkout, A2A negotiation, C-Suite analytics.

agentshield

Smart contract security for AI agents — verify, monitor, freeze, x402 payments

mcp-rosreestr

MCP server for Russian Rosreestr cadastral data: lookup by number, address or coordinates.

mcp-egrul

EGRUL/EGRIP company registry lookup for Russian legal entities and entrepreneurs.

glm-mcp

GLM (Zhipu/Z.ai) as a ~10x cheaper file-editing subagent for AI coding agents.

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mcp

Decision learning for AI agent actions. Evaluate, score, decide, and learn from outcomes.

pennypilot

AI copilot for French accounting firms on Pennylane. Monthly close memo in 8s, full general ledger.

agenttrust

Quality verification for AI agents and MCP servers. 6-axis scoring, adversarial probes.

server

Voice and chat for AI agents — Discord, Teams, Meet, Slack, Zoom, Telegram, WhatsApp, NC Talk, SIP

depwire

Dependency graph + 24 MCP tools. Impact analysis, simulation, security, agent coordination

mcp-trademarks

Russian trademark clearance: Rospatent search, similarity, status, TMview, Nice classes.

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ad-creative-intelligence

Creative fatigue, winning-angle, competitor ad, and hook benchmark intelligence.

ecommerce-command-center

Daily ecommerce revenue, inventory, listing, shipping, and restock operations intelligence.

seo-geo-intelligence

SEO and AI-answer visibility intelligence for search, content gaps, and GEO actions.

showagent

Search, resume and convert AI coding sessions (Claude Code, Codex, Gemini, OpenCode, Pi) over MCP.

turk-hukuku-ictihat-mcp

Türk yargı kararlarını (Yargıtay, Danıştay, AYM) resmî kaynaklardan yapay zekâya açan MCP sunucusu.

bailinghub-governance

Submit and inspect governed AI business actions through a self-hosted BailingHub control plane.

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agent-skill-loader

Dynamically load Claude Code skills into AI agents without copying files.

pushengage-mcp

Send push notifications, build audiences, and view campaign analytics from PushEngage.

aloha-fyi-mcp

Hawaii MCP: tours, events, weather, restaurants, and day-plan itineraries across 4 islands.

agenttrust

Trust scores & reputation for the agent-to-agent economy. Verify A2A counterparties.

crosstabs-mcp

Statistical crosstab analysis: chi-square, Fisher's exact, odds ratio, effect sizes

groundcheck

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

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agentdocs-mcp

MCP server for AgentDocs (agentdocs.eu): read, search, write, comment on & share Markdown docs.

hostinger-api-mcp

MCP server for Hostinger API

modelwatch

Continuous behavioral drift monitoring for LLM apps — catches silent provider model updates.

openclaw-agent-tools

Weather, code search, currency & Solana trust scoring as MCP tools. Free, no API key needed.

seiche

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

data-breach-detector

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

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faultline

Check infrastructure health, manage incidents, and run runbooks in Faultline.

bamwor-mcp-server

World geographic data for AI agents: 261 countries, 5.2M cities, rankings, and 9 indexes.

mcp-grantiq

Search US grants + federal contracts (Grants.gov + SAM.gov) from any LLM.

oraclarr

Read-only diagnostic MCP server for a self-hosted arr stack (Sonarr, Radarr, Prowlarr & more).

modulor

Agent-native CAD: draw plans, model 3D, render checks, export DXF/SVG/STL/GLB/IFC, import DXF.

gemini

Model Context Protocol server for Google Gemini AI with chat, research, and grounding

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geo-analyzer

Scores content on the signals that get it cited by ChatGPT, Perplexity and AI Overviews

google-knowledge-graph

Search Google's Knowledge Graph for structured information about real-world entities

formio-mcp

Create and manage Form.io forms, resources, actions, roles, and projects from your AI agent.

thask

Dependency-graph MCP server. Tells Claude/Cursor what breaks if you change X. Provenance guards.

liquilens

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

lucent

Call-scoped Clear Signing presentation checks for EVM signing agents.

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mcp-victoriametrics

MCP Server for VictoriaMetrics. Provides integration with VictoriaMetrics API and documentation

datacharter

Local-first, contract-governed data explorer with read-only, PII-masked query tools for AI agents.

imaging-mcp-server

MCP server exposing CAST Imaging software architecture insights to AI agents