1,547 tools · Links checked Oct 20, 2026

AI Agents Directory: the agent tools actually worth trying.

A curated, link-checked directory of agent tools for builders and everyday users, sorted by what they actually do.

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✨ Free AI Image Generator

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FLUX.1 [schnell], Apache 2.0 · free to use · keep it SFW

Free AI tools built by AgentScout

Calculators and generators that run in your browser. No sign-up. All free tools →

AI API Cost Calculator

Free

Estimate what an AI model costs per request, per day and per month. Compare GPT, Claude, Gemini and Grok API prices side by side.

AI Token Counter

Free

Paste text and get an instant estimate of how many tokens it uses, plus words, characters and what it costs as input.

AI Prompt Builder

Free

Fill in a few fields and get a clear, well-structured prompt for ChatGPT, Claude, Gemini or Grok. Copy it in one click.

AI Agent Setup Generator

Free

Generate starter config files and system prompts for Claude Code, Codex, Cursor, CrewAI, LangChain and the OpenAI Agents SDK.

MCP Config Builder

Free

Add MCP servers once and get ready-to-paste config for Claude Desktop, Claude Code, Cursor and VS Code.

llms.txt Generator

Free

Fill in your site's name, summary and key links and get a valid llms.txt file that AI assistants can read.

AI Tool Schema Builder

Free

Define a function once and export the tool-calling JSON schema for OpenAI, Anthropic Claude and Google Gemini.

AI Agent Run Cost Estimator

Free

Estimate what one multi-step agent task costs: steps, tool results, growing context, caching and retries, then per day and per month across 33 models.

AGENTS.md & Rules File Generator

Free

Write your project rules once and export AGENTS.md, CLAUDE.md, GEMINI.md, Cursor rules and GitHub Copilot instructions.

AI Agent Stack Builder

Free

Pick your goal, skill level and budget and get a recommended AI agent stack from the AgentScout directory, with a shareable stack card.

System Prompt Linter

Free

Paste a system prompt and get a score out of 10 with checks for role, task, output format, rules, conflicts, vague wording and prompt-injection defenses.

Context Window Planner

Free

See how much of your model's context window the system prompt, tools, documents, history and output reserve use, as one clear bar.

Open-Source License Checker for AI Tools

Free

Pick a license (MIT, Apache, GPL, AGPL, ELv2, BSL and more) and see if you can use it commercially, self-host it or offer it as a service.

Build vs Buy AI Agent Calculator

Free

Compare self-hosting an open-source AI agent with paying for a hosted tool over 12 to 36 months, with the break-even month.

MCP Server Picker

Free

Tick the apps you use, like GitHub, Slack, Notion or Postgres, and find matching MCP servers in the AgentScout directory.

JSON Output Schema Validator

Free

Paste a JSON Schema and a model's output to see if it passes, with exact error paths and OpenAI strict-mode checks.

AI Tool Comparison Card Maker

Free

Pick 2 or 3 AI tools from the directory and get a side-by-side comparison and a shareable image card.

AI Agent Readiness Checker

Free

Enter a website and see how ready it is for AI agents and AI search: llms.txt, robots.txt AI crawler rules, sitemap, structured data, MCP and agent files.

See all free tools →

Free

All 18 calculators and generators in one place. No sign-up.

Recently added

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1,547 tools · 934 new this week · every link checked

Sage logo

Sage

Sage is an MIT-licensed framework for building configurable, self-improving AI agents from reusable agent…

NewAdded
Microsoft Copilot Studio logo

Microsoft Copilot Studio

Microsoft's low-code platform for building, testing and publishing AI agents that connect to business data,…

NewAdded
Paddle MCP logo

Paddle MCP

Paddle's official remote MCP server, so assistants can look up and manage products, prices, customers,…

NewAdded
AgentBay logo

AgentBay

Alibaba Cloud's cloud sandbox service for agents, offering ready-made browser, Linux and Windows desktop,…

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VisorBot logo

VisorBot

An Android automation app where you type or say a task and VisorBot taps, swipes and types through your apps…

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Zapia logo

Zapia

A personal AI assistant on WhatsApp, iPhone, Android and the web that books, reminds, searches, compares…

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Wabi logo

Wabi

An AI assistant you use together with friends and family: plan a trip, book a stay or turn an inside joke…

NewAdded
Sanity MCP logo

Sanity MCP

Sanity's official remote MCP server that lets assistants query, create and update content, schemas and…

NewAdded
LaunchDarkly MCP logo

LaunchDarkly MCP

LaunchDarkly's official MCP server, so agents can create, update and clean up feature flags, AI configs and…

NewAdded
Mapbox MCP logo

Mapbox MCP

Mapbox's official MCP server that gives agents geocoding, directions, travel-time isochrones, points of…

NewAdded
Openlayer MCP logo

Openlayer MCP

Openlayer's MCP server, letting coding agents pull evaluation results, failing tests and monitoring data from…

NewAdded
OneUptime MCP logo

OneUptime MCP

OneUptime's official MCP server, giving agents access to monitors, incidents, on-call and status pages in…

NewAdded

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