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 jkrumm/hermes-agent --skill karakeepgit clone --depth 1 https://github.com/jkrumm/hermes-agentWrote 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/jkrumm/hermes-agent/karakeep)<a href="https://agentmods.dev/skills/jkrumm/hermes-agent/karakeep"><img src="https://agentmods.dev/badge/skills/jkrumm/hermes-agent/karakeep/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/jkrumm/hermes-agent/karakeep"><img src="https://agentmods.dev/badge/skills/jkrumm/hermes-agent/karakeep.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 | $0.00068 | $0.01242 |
| Opus 5.5 | $0.00027 | $0.00497 |
| Sonnet 5.5 | $0.00014 | $0.00248 |
| Haiku 4.5 | $0.00007 | $0.00124 |
Grade A, and why
karakeep scanned grade A with 1 finding 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 19d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
description: Save links and notes to KaraKeep (self-hosted read-it-later / bookmark "everything bucket") and query them — keep a URL or text, full-text search, manage lists (incl. smart lists) and tags, read AI summaries The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
4 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.
- 19d ago Changed · -97 lines a8fca60c0536
- 2mo ago First seen · 161 lines · 68 tokens per session scan A cd91df3d20e2
karakeep is a skill published in the GitHub repository jkrumm/hermes-agent (2 stars, last pushed yesterday), with no licence file. It adds 68 tokens to every session and 1,242 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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