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nullclaw

nullclaw

open source

An AI agent doorman on a $7/month VPS with IRC as transport layer for code-backed portfolio inquiries.

6 views0georgelarson.me
Open Source
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About nullclaw

nullclaw is a public-facing AI agent that runs on a minimal VPS and uses IRC as its transport layer. It connects to a user's GitHub repositories and portfolio context to answer questions from visitors with code-backed answers rather than rephrased resume text. It features two-tier architecture with nullclaw (public doorman) and ironclaw (private agent with email/calendar access), cost-controlled inference via Haiku and Sonnet models, and sandboxed execution with audit logging.

Key Features

  • Code repository cloning and analysis
  • GitHub repo integration
  • IRC transport layer
  • Two-tier agent architecture (public/private)
  • A2A protocol support for inter-agent communication
  • Cost-capped inference ($2/day hard limit)
  • Sandboxed agent execution with action limits
  • Audit logging for all tool calls
  • Portfolio context preloading
  • Cloudflare proxy with TLS termination

AI Models

Claude Haiku 4.5Claude Sonnet 4.6

Use Cases

Portfolio/hiring inquiry automationCode-backed Q&A for projectsPersonal AI assistant on VPSGitHub repository queryingSecurity-hardened AI agent deployment

Best For

DevelopersPortfolio buildersHiring managers seeking code-backed answersSelf-hosted AI enthusiasts

Integrations

GitHubTailscaleCloudflareErgo IRC serverGoogle A2A protocolgamja web IRC client

Pros & Cons

Pros
  • Code-backed answers instead of rephrased resume text
  • Minimal resource footprint (678 KB Zig binary, ~1 MB RAM)
  • Complete infrastructure control with no vendor lock-in
  • Cost-controlled with $2/day hard cap
  • Two-tier security architecture with isolated private context
Cons
  • As an IRC-based bot, responses may not be as polished as web chat interfaces
  • Limited to information available in GitHub repos and preloaded context
  • Self-hosted requires VPS management and maintenance

Details

Pricing
open source
Company
George Larson
Team Size
1-10 people
Views
6

Available On

Web AppCLI

Platform Support

Open Source

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