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hearthling

v0.2.0

Published

Watch your AI agents work — your Claude Code sessions as a living game village. Local-only.

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Links

Git

Maintainers

sungeunbyeolsungeunbyeol

Keywords

claude-codeclaudedashboardvisualizationagentsaimonitoringthreejs

Readme

hearthling

Watch your AI agents work — a local dashboard that renders your Claude Code sessions as a living game village.

hearthling demo

Every session is a worker. Reads, greps and bash runs become mining, logging and hauling. When an agent finishes its job, a building goes up. Workers wear their model name and generated-token count as a nameplate.

Website: https://hearthling.vercel.app

Quick start

npx hearthling

or

git clone https://github.com/sungeunstar/hearthling
cd hearthling
npm start

Opens at http://localhost:4577. Requires Node.js 18+ and Claude Code.

On Windows you can also double-click start-hearthling.cmd to keep it running in a minimized window.

Options

| Option | What it does | |---|---| | --port <n> | Serve on a different port (default 4577) | | --claude-home <path> | Claude data directory (default ~/.claude, honors CLAUDE_CONFIG_DIR) | | --no-open | Don't open the browser on start |

How it works

  • A single zero-dependency Node server tails the session transcripts Claude Code already writes to your disk (~/.claude/projects), plus background job state (~/.claude/jobs).
  • Live sessions and background agents appear as villagers. Tool calls drive what they do; agent completion finishes the construction site.
  • Villagers retire on their own. A job that has finished leaves after a few minutes, and one that stops updating leaves after twenty — it walks out of the village rather than blinking out. If the session comes back, so does the worker.
  • A token ledger indexes daily/weekly generated tokens per model, incrementally — first full scan runs in the background and recent days fill in within seconds.

Privacy

Local-only by design. The server binds to 127.0.0.1, makes no outbound requests, and has no accounts or telemetry. Your prompts and code never leave your machine.

Note: the transcript format is unofficial. hearthling parses defensively — unknown lines are skipped, and the dashboard warns you if a Claude Code update changes the format.

Platforms

Windows is tested. macOS and Linux are supported in code (path detection, browser open) — issue reports and PRs welcome.

Credits

3D assets by KayKit and Kenney.

License

MIT