handoff

handoff is a skill for Claude Code from kensaurus/cursor-kenji. It costs 40 tokens per session (694 once invoked), scanned A, original, MIT.

A workflow for summarizing unfinished work from the current coding session so another agent can continue. The handoff records what is done, verified, and still open.

In plain words
What is it for?
It helps prepare a concise continuation document with open tasks, verification status, and pointers to relevant files or decisions.
Why use it?
It prevents a new session from treating assumptions or unverified work as completed and keeps secrets out of the summary.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

Good fit It helps prepare a concise continuation document with open tasks, verification status, and pointers to relevant files or decisions.

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Install with agentmods
npx agentmods add skills/kensaurus/cursor-kenji/handoff
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.

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

Made for: Claude Code.

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/kensaurus/cursor-kenji/handoff/github.svg)](https://agentmods.dev/skills/kensaurus/cursor-kenji/handoff)
Your own site
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/handoff"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/handoff/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.

agentmods 80×15 button for handoff

Your own site · 80×15
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/handoff"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/handoff.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 694 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00040 $0.00694
Opus 5 $0.00020 $0.00347
Sonnet 5 $0.00008 $0.00139
Haiku 4.5 $0.00004 $0.00069

Measured 5d ago against content hash dd0221bf61c9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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 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/handoff/SKILL.md · 66 lines

How it starts

The opening of the file, as written. The whole thing — 66 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Handoff

Degree of freedom: LOW. Contents, redaction, and temp-dir save [LOW freedom — run exactly]. What to emphasize for the next session [HIGH freedom].

Adapted from mattpocock/skills (MIT).

How to reason

  1. Observe — what is done, verified, and still open
  2. Interpret — which claims are implemented vs scoped-verified vs assumed
  3. Classify — include / point-at-artifact / omit (already in an ADR)
  4. Severity — a false "green" in the handoff is worse than a missing detail

Worked example

Observe: auth UI landed; RLS migration is a local file only; tests not run. Interpret: UI is implemented, backend is not deployed-verified. Classify: write "implemented, not verified"; point at the migration path; do not say SHIP. Save: OS temp file, print the path; do not commit the handoff into the repo.

Self-critique before writing

  • Ladder honest — no upgraded verification claim
  • No secrets — keys/tokens/PII redacted
  • Pointers not copies — ADRs and plans referenced by path
  • Right owner — permanent decisions → docs-adr, not this file

Write a handoff document summarizing the current conversation so a fresh agent can continue the work. Save it to the OS temporary directory — not the current workspace — and print the path.

Contents

  • State: what was attempted, what is done, what is verified vs merely edited.
  • Next steps: the concrete remaining work, in order, with file paths.
  • Suggested skills: which skills the next agent should invoke, and for what.
  • Pointers, not copies: do not duplicate content already captured in other artifacts (specs, plans, ADRs, issues, commits, diffs). Reference them by path or URL instead.
  • Gotchas: anything non-obvious the next agent would otherwise rediscover the hard way (flaky tests, env quirks, decisions already ruled out).

Rules

  1. Redact sensitive information: API keys, passwords, tokens, PII.
  2. If the user passed an argument, treat it as the next session's focus and tailor the document accordingly.
  3. Be honest about verification state — use the ladder from verification-before-completion: implemented → scoped verified → repository green → PR green → deployed verified. Never upgrade a claim in a handoff.
  4. Permanent decisions (stack, layering, rejected alternatives) belong in docs-adr, not in the handoff. Point at docs/adr/INDEX.md if it exists; do not re-copy those records here.

Read the full file on GitHub · 66 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. 5d ago First seen · 66 lines · 40 tokens per session scan A dd0221bf61c9

Subscribe to this mod's changes

handoff is a skill published in the GitHub repository kensaurus/cursor-kenji (9 stars, last pushed 10d ago), licensed MIT. It adds 40 tokens to every session and 694 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 2026-09-03.

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