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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

planexe

MCP server for generating rough-draft project plans from natural-language prompts.

mcp-server-graylog

Search Graylog logs by timestamps, filter by streams, and debug production issues.

freshcontext

Freshness-aware AI retrieval with 21 MCP tools for timestamped, decay-ranked live signals.

bluesky-followers-export

Export full Bluesky follower/following lists with profile stats. Audience and lead research.

swatgenx

Automated, calibrated SWAT+ watershed modeling and national hydrologic datasets for the U.S.

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i18n-agent-action

An i18n github action for language translate

safe-fetch

MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks.

agentbridge

Control Classic Mac OS (System 7-9) from AI agents via shared folder protocol.

tavily-mcp

MCP server for advanced web search using Tavily API.

web-task-api

Browser tasks, sessions, and recipes for MCP and HTTP automation.

one-brain

Shared memory for a team in Claude Code: what one person records, everyone has.

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hivemind

Query multiple AI models (OpenAI, Anthropic, Google) for consensus responses.

runitonai-mcp

Read-only MCP connector serving the Run It on AI book; index and Implementation Blocks are free.

sage

Command wrapper MCP server for coding agents, compression, workflows, and local automation.

bankregpulse-mcp-server

Real-time banking regulatory intelligence from 100+ federal and state sources.

gfi-scout

Finds open source issues where beginners actually succeed, ranked by a 0-100 beginner score.

coret

Create, read, update, illustrate, export, and share live mind maps in coret.id.

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speeron-next

Speeron NEXT Digital Guest Journey MCP server (remote HTTP endpoint).

live-translate-mcp

MCP server for local speech translation (EN ↔ 中文) via Whisper + Claude + Piper

proofstream-mcp

Dispatch a human verifier to physically verify anything in the real world. For AI agents.

rechtspraak-mcp

Dutch case law over MCP: search & fetch uitspraken by ECLI (Rechtspraak Open Data + LiDO)

quillpdf-mcp

Local-first PDF tools (merge, split, rotate, watermark, Bates, metadata) as MCP server + CLI.

lambdacad-mcp

AI drafting in BricsCAD on Linux: 105 tools, 2D + 3D solids, STL export, via a pure AutoLISP bridge

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interminal

Lightweight MCP server providing terminal access (SSH & local shells) for AI assistants.

agent-data-api

19 pay-per-call data tools for AI agents: crypto/DeFi, web, PDF, FX, weather, DNS. x402 on Base.

pdf4vllm

PDF reader for vision LLMs. Auto-detects text corruption and switches to image mode.

quantsonar

China A-share market data for research, backtesting and AI agents via MCP.

API-Quant-M2M

Server temporarily offline.

nano-pdf-mcp

AI-powered PDF editing and generation MCP server using Gemini Pro.

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inferventis

Live financial data MCP: FX, crypto, stocks, news, URL reader. x402 on Base: $0.001/call.

terminalfeed

Real-time data feeds for AI agents with USDC micropayments on Base for premium tools.

nominatim-mcp-server

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.

forge-mcp-server

Turn PyTorch into fast CUDA/Triton kernels on real datacenter GPUs with up to 14x speedup.

noesis

Solana on-chain intelligence — token scans, wallet profiling, bundle detection, 19 MCP tools.

exogram

Model Context Protocol server for the Exogram Authority Runtime.

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spawnpay

Crypto wallets, payments, and referral earnings for AI agents on Base L2

attestor

Self-hosted memory for agent teams. Bi-temporal replay, deterministic retrieval, audit log.

coderswap-mcp-server

Build searchable AI research knowledge bases with hybrid vector search directly in Claude Desktop.

taskboard-mcp

Persistent task board synced across Claude Code and Claude.ai, backed by Supabase.

db-access-mcp

MCP server for Postgres/MySQL/Redshift/SQL Server over SSH/SSM tunnels with secret providers.

mcp-data-profiler

Profile local CSV, Parquet, JSON and Excel files into a compact data-quality summary.

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cdt-express-mcp

Interact with climate metrics via Riskthinking.AI's CDT Express API in supported AI chat experiences

fca-register

UK FCA Financial Services Register with cleaning - 19 tools for firm and individual data.

posthell

Social media scheduler for AI agents: draft posts into a human-approved queue for 15 networks.

frontrun-mcp-server

Track what 1,000+ VCs follow on X to surface startups before their round. Signal for AI agents.

seracade

LLM cost optimization. Audit your calls, prove savings, route to the cheapest quality model. BYOK.

recall

Open-source MCP memory server. Persistent, searchable, tiered memory across sessions.

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mcp-memory-graph

Authority-weighted memory graph for AI agents with conflict detection and semantic search.

pagemap

Structured web intelligence for AI agents. 5x fewer tokens than Playwright/Firecrawl, 84.7% accuracy

repo-test-architect

Audit-first test strategy MCP server for repository-native test planning.