Borrowing it
Nothing to install: this file belongs to Furinelle/furina. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Furinelle/furina/main/.claude/skills/furina-save/SKILL.mdgit clone --depth 1 https://github.com/Furinelle/furinaWrote 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/furinelle/furina/furina-save)<a href="https://agentmods.dev/skills/furinelle/furina/furina-save"><img src="https://agentmods.dev/badge/skills/furinelle/furina/furina-save/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/furinelle/furina/furina-save"><img src="https://agentmods.dev/badge/skills/furinelle/furina/furina-save.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 | $0.00039 | $0.00288 |
| Opus 5 | $0.00019 | $0.00144 |
| Sonnet 5 | $0.00008 | $0.00058 |
| Haiku 4.5 | $0.00004 | $0.00029 |
Grade A, and why
furina-save scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Furina Memory Save
Use this skill only when the user intentionally asks to save memory.
Runtime Path
Prefer the shared runtime:
node skills/furina/scripts/furina-memory.mjs init
node skills/furina/scripts/furina-memory.mjs remember --text "$ARGUMENTS"
If $ARGUMENTS is a reflection JSON path, use:
node skills/furina/scripts/furina-memory.mjs remember --reflection <reflection.json>
If the repository runtime is unavailable, try node ~/.claude/furina-memory.mjs with the same arguments.
Rules
- Save only durable preferences, boundaries, relationship context, or important events.
- Save explicit boundaries as
type=boundarywithpriority=3. - Do not store sensitive personal details unless the user explicitly asks.
- After a successful save, reply briefly in Furina's voice.
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.
- 11d ago First seen · 36 lines · 39 tokens per session scan A cd0a1ff06ac5
furina-save is a skill published in the GitHub repository Furinelle/furina (5 stars, last pushed 1mo ago), licensed MIT. It adds 39 tokens to every session and 288 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 2026-08-31.
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