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 skills add StoneReaper/openhandoff --skill openhandoff-privacygit clone --depth 1 https://github.com/StoneReaper/openhandoffWrote 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/stonereaper/openhandoff/openhandoff-privacy)<a href="https://agentmods.dev/skills/stonereaper/openhandoff/openhandoff-privacy"><img src="https://agentmods.dev/badge/skills/stonereaper/openhandoff/openhandoff-privacy/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/stonereaper/openhandoff/openhandoff-privacy"><img src="https://agentmods.dev/badge/skills/stonereaper/openhandoff/openhandoff-privacy.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 | $0.00028 | $0.00312 |
| Opus 5 | $0.00014 | $0.00156 |
| Sonnet 5 | $0.00006 | $0.00062 |
| Haiku 4.5 | $0.00003 | $0.00031 |
Grade A, and why
openhandoff-privacy 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 8d 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
OpenHandoff Privacy
Use this skill whenever a handoff, transcript, .context directory, issue, pull request, or release artifact may leave the user's machine.
Audit order
- Identify the exact files in scope. Do not scan the user's entire home directory or Obsidian vault unless explicitly requested.
- Inspect text and metadata for credential-shaped values: API keys, bearer tokens, passwords, private keys, cookies, webhook URLs, access codes, and personal contact data.
- Run OpenHandoff's redaction path for generated data. Redaction reduces risk but is not proof of safety; manually review the final diff.
- Check for private conversation content, internal paths, usernames, emails, customer data, and hidden files that do not belong in a public repository.
- Report findings by severity and recommend the smallest safe remediation. Do not silently delete or overwrite source material.
Safe handling
- Never echo a suspected secret in a response, log, commit message, or issue.
- Never upload private transcripts or Obsidian notes as evidence of project activity.
- Keep
.context/and event logs ignored by Git unless a sanitized fixture is intentional. - If a credential was exposed, recommend revocation/rotation before continuing.
- If a file cannot be made safe without losing meaning, stop and ask the user which portions may be shared.
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.
- 8d ago First seen · 25 lines · 28 tokens per session scan A 70c816789b04
openhandoff-privacy is a skill published in the GitHub repository StoneReaper/openhandoff (0 stars, last pushed 16d ago), licensed MIT. It adds 28 tokens to every session and 312 once invoked, about $0.0001 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 2026-08-31.
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