Tools

The best tools for building and running an autonomous AI-powered business. Curated and rated for solo operators.

Machine-readable: GET /api/v1/tools

9 tools

Arrakis

open source

Open-source self-hostable sandboxing service for secure AI agent code execution and GUI automation

Free

Open source; self-hosted on your own infrastructure

Arrakis is a self-hosted sandboxing platform that enables AI agents to securely execute code and interact with graphical interfaces in isolated MicroVM environments. Built by an infrastructure veteran from Replit and Google, it provides snapshotting and backtracking capabilities, integrates natively with Claude via MCP, and ships with Python SDK and MCP server support out of the box.

Use cases

  • Enable AI agents to execute arbitrary code safely without contaminating host systems
  • Allow Claude and other LLM agents to interact with browser-based UIs and GUI applications
  • Build autonomous agents that can debug, iterate, and recover from execution failures via snapshotting
  • Create AI-native tools like document editors or spreadsheets that agents control end-to-end
  • Run multi-step agent workflows that require both code execution and visual interaction
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ask-human-mcp

open source

Zero-config MCP server for human-in-loop validation to prevent AI agent hallucinations

Free

Open source, self-hosted via pip install

ask-human-mcp is an MCP (Model Context Protocol) server that pauses AI agents when they encounter uncertainty, logs questions to a markdown file, and resumes execution once a human provides the answer. It solves a critical pain point for solo AI builders: preventing agents from confidently generating hallucinated endpoints, incorrect assumptions, or misinterpreted code logic that leads to hours of debugging.

Use cases

  • Prevent AI agents from hallucinating API endpoints or authentication flows
  • Validate architectural decisions before code generation
  • Clarify ambiguous requirements during agent execution without manual rewrites
  • Build trustworthy agent workflows for production-critical systems
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Blender MCP Server

open source

MCP server enabling LLMs to build 3D scenes in Blender via natural language

Free

Open source. Requires Blender and LLM API access (OpenAI/Anthropic paid tiers).

A Model Context Protocol (MCP) server that bridges Blender and LLMs (ChatGPT, Claude) to enable autonomous 3D scene generation from natural language descriptions. Supports multi-object scene creation, spatial reasoning, camera animation, and iterative refinement, enabling solo builders to automate 3D asset creation without manual modeling.

Use cases

  • Automating 3D asset generation for game dev or visualization businesses
  • Building AI agents that control design tools via tool-calling protocols
  • Rapid prototyping of environments (villages, landscapes, scenes) without manual modeling
  • Integrating MCP-based LLM control into creative production workflows
  • Extending agent capabilities to include 3D rendering and scene manipulation
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Computer

open source

OSS Computer-Use Interface framework for AI agents on isolated macOS and Linux sandboxes

Free

Open source, pip installable via cua-computer

Computer is an open-source framework that enables AI agents to interact with isolated macOS and Linux sandboxes with near-native performance on Apple Silicon. It provides a PyAutoGUI-compatible Python interface compatible with OpenAI Agents SDK, LangChain, CrewAI, and AutoGen, making it ideal for solo builders deploying agents in reproducible, secure environments.

Use cases

  • Running autonomous agents in isolated environments without risking host system security
  • Building reproducible testing environments for multi-step agent workflows
  • Creating GUI automation agents that interact with native applications
  • Prototyping general-purpose agents that need full OS-level control with safety guardrails
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Kapso

open source

WhatsApp API platform with built-in inbox, observability, and AI agent workflows for developers

2,000 messages/month free tier; 95% cheaper than Twilio for paid plans

Kapso is a developer-focused WhatsApp Cloud API wrapper that reduces setup time from days to minutes and provides full webhook observability, multi-tenant capabilities, and workflow automation. Solo AI builders can use it to deploy WhatsApp agents, automate customer interactions, and build WhatsApp Flows mini-apps, all with 95% cost savings versus Twilio and a generous free tier.

Use cases

  • Deploy autonomous WhatsApp agents for customer support, lead qualification, or order handling
  • Build multi-tenant WhatsApp platforms where customers self-connect their Meta accounts
  • Debug WhatsApp webhook payloads and trace message delivery without custom tooling
  • Automate deterministic workflows and AI-driven responses using the built-in workflow builder
  • Create WhatsApp Flows mini-apps leveraging serverless functions and AI for interactive experiences
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MCP Generator by liblab

Auto-generate Model Context Protocol servers from OpenAPI specs in 30 seconds

Free local download available; cloud deployment included with generation

MCP Generator converts API specifications into fully functional, cloud-deployed Model Context Protocol servers that enable LLMs to interact with any API via natural language. It eliminates boilerplate authentication, infrastructure setup, and custom integration code, ideal for solo builders connecting AI agents to internal or external APIs without engineering overhead.

Use cases

  • Connect AI agents to internal or external APIs without writing MCP server code
  • Enable LLMs to query metrics, dashboards, or services via natural language
  • Automatically sync MCP servers when APIs evolve without manual updates
  • Build devtools that let agents take actions against APIs
  • Surface API documentation through conversational AI interfaces
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pg-mcp

open source

MCP server for PostgreSQL enabling LLMs and agents to inspect schemas and execute queries safely

Free

Open source, self-hosted

pg-mcp is a Model Context Protocol (MCP) server that bridges PostgreSQL databases and AI agents. It provides structured schema introspection, controlled query execution, and optimization tools via HTTP/SSE, making it ideal for solo builders deploying multi-tenant AI applications that need stateful database access.

Use cases

  • Autonomous AI agents that need to query production databases without direct SQL access
  • Multi-tenant SaaS applications where agents operate on behalf of different database connections
  • Building data-driven agents that optimize queries before execution using EXPLAIN
  • Integrating pgvector or PostGIS extensions into agent workflows for semantic search or geospatial queries
  • Solo founders deploying lean AI applications with persistent state across agent invocations
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Recall

open source

MCP server that gives Claude persistent memory via Redis-backed semantic search

Free

Open-source NPM package; requires Redis instance and OpenAI embeddings API

Recall is a TypeScript-based MCP server that solves context loss in Claude by storing and retrieving conversation context as persistent memories. It uses Redis for storage and OpenAI embeddings for semantic search, allowing Claude to maintain project-specific context, coding standards, and architectural decisions across sessions and machines.

Use cases

  • Maintaining consistent project context across multiple Claude sessions
  • Storing and retrieving architectural decisions, coding standards, and preferences automatically
  • Building knowledge graphs linking related decisions and patterns for complex projects
  • Enabling AI coding assistants to apply workspace-specific rules without re-explaining on every conversation
  • Creating reusable workflow templates for common development tasks
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dstill.ai Hacker News Frontend

AI-powered Hacker News frontend with summarization, historical trending, and community-shared insights

Free

No costs for browsing. Summarization requires user to supply own OpenAI API key; summaries are cached and shared across all users

An alternative Hacker News interface that uses LLMs to generate summaries of articles, discussion threads, and PDFs. Features community-shared summaries (stored and visible to all users), historical trending data, and on-demand summarization with user-supplied OpenAI API keys. Built as a one-person project demonstrating practical AI integration into existing platforms.

Use cases

  • Save reading time by consuming AI summaries of long articles, PDFs, and discussion threads before diving in
  • Discover trending stories from past days via historical top/best/active rankings
  • Build a community-powered knowledge base where summaries are cached and benefit all users
  • Prototype LLM-based content enhancement as a standalone web product
  • Explore cost-effective API integration patterns (user-supplied keys, client-side storage)
Tool EcosystemsView details →