Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/slopus/happy-agent/local-agentnpx skills add slopus/happy-agent --skill local-agentgit clone --depth 1 https://github.com/slopus/happy-agentWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00048 | $0.00250 |
| Opus 5 | $0.00024 | $0.00125 |
| Sonnet 5 | $0.00010 | $0.00050 |
| Haiku 4.5 | $0.00005 | $0.00025 |
Grade A, and why
local-agent scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Local Happy Agent
Run checks before installation, then from the repository root run:
pnpm link:global
This builds the checkout, globally links Happy Terminal, installs and selects Agent version
0.0.0, and schedules a detached reload. The detached worker waits five seconds, allows graceful
draining for 30 seconds, then falls back to kill followed by start.
Make pnpm link:global the turn's final tool call and return immediately after it. Do not poll the
reload from the agent being reloaded. The worker logs to ~/.happy/agent/local-reload.log.
To bypass graceful drain when recovering a stuck daemon, run this as the final tool call:
node .agent/skills/local-agent/reload.mjs --hard
To switch back, use Happy Desktop's Agent version picker to download or select the latest release. No unlink script is needed.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 29 lines · 48 tokens per session scan A bd16bc118fdc
local-agent is a skill published in the GitHub repository slopus/happy-agent (22 stars, last pushed 3d ago), licensed MIT. It adds 48 tokens to every session and 250 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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