handoff

handoff is a skill for Claude Code, Codex from techwolf-ai/ai-first-toolkit. It costs 140 tokens per session (1,698 once invoked), scanned A, original, MIT.

A session handoff note saved as HANDOFF.md in the current project folder. It records the work completed, the current state, and the exact next action so another session can continue quickly.

In plain words
What is it for?
Use it at the end of a coding session, when pausing work, or when asking a future session to resume from a known point.
Why use it?
It prevents the next session from having to reconstruct the entire conversation and project history before continuing.

Skill for Claude CodeCodex

Part of the session-tools plugin — 3 skills shipped together

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/techwolf-ai/ai-first-toolkit/handoff
Any agent
npx skills add techwolf-ai/ai-first-toolkit --skill handoff
Clone the repo
git clone --depth 1 https://github.com/techwolf-ai/ai-first-toolkit

Made for: Claude Code, Codex.

Or install session-tools, the plugin that ships this one along with the rest of its 3 skills.

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 handoff

README.md
[![agentmods](https://agentmods.dev/badge/skills/techwolf-ai/ai-first-toolkit/handoff.svg)](https://agentmods.dev/skills/techwolf-ai/ai-first-toolkit/handoff)
Your own site
<a href="https://agentmods.dev/skills/techwolf-ai/ai-first-toolkit/handoff"><img src="https://agentmods.dev/badge/skills/techwolf-ai/ai-first-toolkit/handoff.svg" alt="Measured on agentmods" height="20"></a>
Per session 140 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,698 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 $0.00140 $0.01698
Opus 5 $0.00070 $0.00849
Sonnet 5 $0.00028 $0.00340
Haiku 4.5 $0.00014 $0.00170

Measured 4d ago against content hash a484fa0d6e1a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

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 4d 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.

plugins/session-tools/skills/handoff/SKILL.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Handoff

Capture the minimum a fresh session needs to continue this work: what it is, where it stands, the exact next action. The next session reads ONE file instead of replaying the conversation. Optimized for "start from here", not "understand everything that happened".

The handoff is written to the current working directory (the project/folder being worked in), as HANDOFF.md at its root. It travels with the project, not with any tool's memory.

Two modes:

  • Write (default): no args, or "handoff", "wrap up", "park this session", "save where we are".
  • Read: "/handoff read", "pick up the handoff", "read the handoff".

Scope. Handoff only reads/writes the resume note in the current project directory. It does not search or summarize past sessions ("where did I work on X / when did I last do Y" is a different job). And a bare "resume" or "continue" may belong to a project-specific resume command rather than this skill — only fire handoff-read on the explicit phrasings above.

Write mode

1. Reconstruct the session from THIS conversation

Do NOT re-run searches or re-read source files. Pull everything from what already happened in this session:

  • The actual goal being worked toward (the real one, not the first ask if it shifted).
  • What got done vs. what's still open.
  • The exact next step — the single most concrete thing the next session should do first.
  • Decisions made and WHY (so the next session doesn't relitigate them).
  • Dead ends and out-of-scope lines already drawn (so the next session doesn't repeat them or wander).
  • Run state being inherited: branch, dirty/clean tree, any long-running or background processes/servers still in flight (and their ports), env set this session. If your environment exposes them, note background jobs or the model tier too.
  • How to verify "done": the command that proves the done-claims are real, and its expected result.
  • Files created/edited, commands that matter, branches/PRs, links.
  • Open questions waiting on the user.

Read the full file on GitHub · 109 lines

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. 4d ago First seen · 109 lines · 0 tokens per session scan A a484fa0d6e1a

Subscribe to this mod's changes

handoff is a skill published in the GitHub repository techwolf-ai/ai-first-toolkit (98 stars, last pushed 1mo ago), licensed MIT. It adds 140 tokens to every session and 1,698 once invoked, about $0.0007 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 2026-08-30.

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