Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add geniro-io/geniro-claude-harness/plugin install geniroWrote 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/geniro-io/geniro-claude-harness/update)<a href="https://agentmods.dev/skills/geniro-io/geniro-claude-harness/update"><img src="https://agentmods.dev/badge/skills/geniro-io/geniro-claude-harness/update/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/geniro-io/geniro-claude-harness/update"><img src="https://agentmods.dev/badge/skills/geniro-io/geniro-claude-harness/update.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00059 | $0.03297 |
| Opus 5 | $0.00030 | $0.01648 |
| Sonnet 5 | $0.00012 | $0.00659 |
| Haiku 4.5 | $0.00006 | $0.00330 |
Grade A, and why
update 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 7d 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.
This is a copy
92% identical to geniro-update — 15 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/geniro:update — update plugin
Contents
- Path constraints
- Loop invariants
- Anti-rationalization
- Definition of done
- Budgets — quality-first
- ACI per-phase tool surface
- Termination case → message
- Memory I/O
- User-content snapshot
- Phase 1 — pre-check · Phase 2 — update · Phase 3 — post-check · Phase 4 — migration
- Done — final report
- REFERENCE
4-phase loop: Pre-check → Update → Post-check → Migration. Stateless.
Runtime requirement. This skill drives the claude plugin CLI and the Claude Code install registry, and functions only under Claude Code. When invoked from another runtime (e.g. Cursor), state that updates are managed by that runtime's own plugin mechanism and exit without side effects.
Read the phase's Steps on entry to that phase, from ${CLAUDE_PLUGIN_ROOT}/skills/update/: phase-1-precheck.md · phase-2-update.md · phase-3-postcheck.md · phase-4-migration.md · done-final-report.md. That Read is the phase's physically-first action and carries a one-line echo, per ${CLAUDE_PLUGIN_ROOT}/skills/_shared/phase-entry-read.md — the phase files hold this skill's gates (the update-confirmation AUQ, the hash-check and tamper-diff AUQs, the per-entry migration AUQ) and their helper call sites, so work started before the Read runs outside them. /geniro:update keeps no state file, so a compaction mid-run is recovered by re-Reading the phase you were in, named from this spine's phase headings, rather than by re-invoking the whole skill.
Path constraints
Pass ${CLAUDE_PLUGIN_ROOT} (for plugin files) or a fully resolved absolute path (for project files) to Read, Write, Edit, Glob, and Grep — these tools do not expand ~, so a literal ~ directory gets created. Honor CLAUDE_CONFIG_DIR and fall back to $HOME/.claude only inside Bash blocks where $HOME expands correctly.
Loop invariants
The canonical loop invariants (${CLAUDE_PLUGIN_ROOT}/skills/_shared/loop-invariants.md) apply, with five update-specific bindings:
What ships with it
6 files 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.
- 7d ago First seen · 145 lines · 59 tokens per session scan A 555fa7704130
update is a skill published in the GitHub repository geniro-io/geniro-claude-harness (8 stars, last pushed yesterday), licensed Apache-2.0. It adds 59 tokens to every session and 3,297 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 92% identical to geniro-update, differing in 15 lines, and is treated as a copy.
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