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/gigsmart/haiku-method/haiku-versionnpx skills add gigsmart/haiku-method --skill haiku-versiongit clone --depth 1 https://github.com/gigsmart/haiku-methodWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/gigsmart/haiku-method/haiku-version)<a href="https://agentmods.dev/skills/gigsmart/haiku-method/haiku-version"><img src="https://agentmods.dev/badge/skills/gigsmart/haiku-method/haiku-version.svg" alt="Measured on agentmods" height="20"></a>What 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 5.1 | $0.00034 | $0.00304 |
| Opus 5 | $0.00017 | $0.00152 |
| Sonnet 5 | $0.00007 | $0.00061 |
| Haiku 4.5 | $0.00003 | $0.00030 |
Grade A, and why
haiku-version 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 5d ago.
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
Version
Call the haiku_version_info tool to retrieve version information.
Display:
- MCP version — the version baked into the running binary at build time (or
devwhen the binary wasn't built) - Plugin version — the version from
plugin.jsonon disk - Build kind — whether the running engine is the compiled production bundle (
plugin/bin/haiku.mjs) or a dev process loading TypeScript directly via bun/tsx. The two can disagree with the plugin version if the dev tree has uncommitted or unbuilt changes - Runtime —
node <version>(orbun <version>etc.) — useful when triaging "why does my behavior differ from the docs" - Entry — the actual file the runtime launched with (
process.argv[1]). For prod this points at the bundle; for dev it points at the source file
If a pending update is reported, mention it to the user.
When build_kind is dev, also call out that any working-tree edits to packages/haiku/src/** are live — no rebuild needed. For prod, a rebuild (bun run --cwd packages/haiku build) is required for source edits to take effect.
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.
- 5d ago First seen · 20 lines · 34 tokens per session scan A e9a45c958764
haiku-version is a skill published in the GitHub repository gigsmart/haiku-method (24 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 34 tokens to every session and 304 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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