session-handoff

session-handoff is a skill for Claude Code, Codex from fthsrbst/mnema. It costs 68 tokens per session (359 once invoked), scanned A, original, MIT.

A session handoff note records what was completed, what remains, known problems, and the next step at the end of a coding session.

In plain words
What is it for?
Use it to save a concise project summary, record decisions, and update the project's current focus and next steps when work pauses.
Why use it?
It prevents important context from being lost between sessions, devices, or coding agents.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/fthsrbst/mnema/session-handoff
Any agent
npx skills add fthsrbst/mnema --skill session-handoff
Clone the repo
git clone --depth 1 https://github.com/fthsrbst/mnema

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for session-handoff

README.md
[![agentmods](https://agentmods.dev/badge/skills/fthsrbst/mnema/session-handoff.svg)](https://agentmods.dev/skills/fthsrbst/mnema/session-handoff)
Your own site
<a href="https://agentmods.dev/skills/fthsrbst/mnema/session-handoff"><img src="https://agentmods.dev/badge/skills/fthsrbst/mnema/session-handoff.svg" alt="Measured on agentmods" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 359 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00068 $0.00359
Opus 5 $0.00034 $0.00179
Sonnet 5 $0.00014 $0.00072
Haiku 4.5 $0.00007 $0.00036

Measured 5d ago against content hash b9873b9c2f38, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

session-handoff 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.

skills/session-handoff/SKILL.md · 28 lines

What it actually says

Session Handoff

Amaç: bir sonraki oturum — hangi cihazda, hangi agent'la olursa olsun — kaldığı yerden devam edebilsin.

Adımlar

  1. Oturumu özetle (markdown, kısa ve bilgi yoğun):
    ## Yapılanlar
    - ...
    ## Yarım kalanlar / bilinen sorunlar
    - ... (dosya/satır referanslı)
    ## Sıradaki adım
    - ... (net, eyleme dönük tek cümleler)
    
  2. session_log(summary, project) çağır.
  3. Bu oturumda karar alındıysa ve henüz kaydedilmediyse: her biri için memory_save (type=decision, gerekçeli) veya project_add_decision.
  4. Proje odağı değiştiyse project_update ile current_focus + next_steps güncelle.

Kurallar

  • Özet, kodu görmemiş birinin anlayacağı dilde olsun; oturum içi kısaltmalar kullanma.
  • Yarım kalan işte "neden yarım kaldı"yı yaz (bloker neydi).
  • 10 dakikalık önemsiz oturum için log bırakma; sinyal/gürültü oranını koru.
Changes

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.

  1. 5d ago First seen · 28 lines · 68 tokens per session scan A b9873b9c2f38

Subscribe to this mod's changes

session-handoff is a skill published in the GitHub repository fthsrbst/mnema (2 stars, last pushed 6d ago), licensed MIT. It adds 68 tokens to every session and 359 once invoked, about $0.0003 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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