handoff

A session-resume routine for continuing the latest agent work in a project directory. It also brings forward any question that was left unanswered.

In plain words
What is it for?
It helps continue interrupted tasks, identify the relevant previous session, surface open decisions, and choose the next coding step.
Why use it?
It removes the need to reconstruct where a previous coding session stopped and reduces the risk of resuming work from the wrong project.

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/rohitg00/agentmemory/handoff
Any agent
npx skills add rohitg00/agentmemory --skill handoff
Clone the repo
git clone --depth 1 https://github.com/rohitg00/agentmemory

Made for: Claude Code, Codex.

Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 612 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 $0.00055 $0.00612
Opus 5 $0.00028 $0.00306
Sonnet 5 $0.00011 $0.00122
Haiku 4.5 $0.00006 $0.00061

Measured 2d ago against content hash 1a5695744091, 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 2d 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

  • handoff — 100% identical, 0 lines differ
  • handoff — 95% identical, 10 lines differ
plugin/skills/handoff/SKILL.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

The user wants to resume work. Optional cwd override: $ARGUMENTS

Quick start

memory_sessions { "limit": 20 }

Pick the most recent session whose cwd matches this project, then: memory_recall { "query": "<session top concepts>", "limit": 10 }.

Expected output:

Resuming 7f3a9c2 "Auth refresh rework".
Open question: should logout revoke all device tokens or just the current one?
Next step: decide revoke scope, then update auth/logout.ts.

Why

Match the session by directory boundary, not raw prefix, so a sibling repo never gets mistaken for this one. Never invent observations for an empty session.

Workflow

  1. Resolve the project path: if $ARGUMENTS is given, normalize it to absolute (path.resolve(process.cwd(), $ARGUMENTS)); else use the cwd.
  2. Call memory_sessions. Pick the most recent session whose normalized cwd matches by directory boundary: equality, OR cwd.startsWith(projectPath + sep), OR projectPath.startsWith(cwd + sep). Prefer completed over abandoned. No match: fall back to the single most recent session overall.
  3. If the session ended on an unanswered user-facing question, surface it FIRST. Look in summary or recent conversation observations whose narrative ends in ?.
  4. Summarize: title/summary, key files, key decisions or errors, using memory_recall on the top concepts, limit 10.
  5. End with one concrete "next step?" pointer.

Anti-patterns

WRONG: session.cwd.startsWith(projectPath) matches /repo-a-staging when the project is /repo-a, resuming the wrong repo's session.

RIGHT: session.cwd === projectPath || session.cwd.startsWith(projectPath + sep), a directory-boundary check that cannot cross sibling repos.

Checklist

  • cwd override resolved to an absolute, normalized path.
  • Match used a directory-boundary check, not a raw prefix.
  • Unanswered question (if any) leads the response.
  • Empty session is reported plainly, with an offer to start fresh.

Read the full file on GitHub · 69 lines

Files

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.

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. 2d ago First seen · 69 lines · 55 tokens per session scan A 1a5695744091

Subscribe to this mod's changes

handoff is a skill published in the GitHub repository rohitg00/agentmemory (27,906 stars, last pushed 2d ago), licensed Apache-2.0. It adds 55 tokens to every session and 612 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 2026-08-30.

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