handoff

handoff is a skill for Claude Code, Codex from Szotasz/marveen. It costs 55 tokens per session (1,555 once invoked), scanned A, original, MIT.

A context-transfer document for continuing complex work in another session or with another agent. It records the current task, relevant project state, and what should happen next in a HANDOFF.md file or inter-agent message.

In plain words
What is it for?
Use it before a context limit, when switching sessions, when delegating work, or when you need to preserve detailed instructions for continuation.
Why use it?
It prevents important decisions and unfinished work from being lost when a session ends or the task changes hands.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it before a context limit, when switching sessions, when delegating work, or when you need to preserve detailed instructions for continuation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/szotasz/marveen/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 Szotasz/marveen --skill handoff
Clone the repo
git clone --depth 1 https://github.com/Szotasz/marveen

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 handoff

README.md
[![agentmods](https://agentmods.dev/badge/skills/szotasz/marveen/handoff/github.svg)](https://agentmods.dev/skills/szotasz/marveen/handoff)
Your own site
<a href="https://agentmods.dev/skills/szotasz/marveen/handoff"><img src="https://agentmods.dev/badge/skills/szotasz/marveen/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/szotasz/marveen/handoff"><img src="https://agentmods.dev/badge/skills/szotasz/marveen/handoff.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,555 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 4 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 41
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • high Privilege Escalation · line 137
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • medium Data Exfiltration · line 55
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Excessive Agency · line 112
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 $0.00055 $0.01555
Opus 5.5 $0.00022 $0.00622
Sonnet 5.5 $0.00011 $0.00311
Haiku 4.5 $0.00006 $0.00155

Measured 1mo ago against content hash 0f6b4e63ee37, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

handoff scanned grade A with 1 finding 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 1mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -H "Authorization: Bearer $(cat store/.dashboard-token)" \
seed-skills/handoff/SKILL.md · 155 lines

How it starts

The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Handoff -- Session Context Transfer

When to use

  • You are about to hit context limits and need to preserve task state
  • A task needs to continue in a fresh session (yours or another agent's)
  • Inter-agent delegation of a complex, multi-step task
  • User explicitly says /handoff or asks to "save context for later"
  • Before a /checkpoint when the task is too complex for 3-5 bullet points

Arguments

Argument Required Description
purpose YES What the next session should do with this context
target no Agent name (e.g. target=dev2) -- sends via inter-agent message instead of writing file
output no File path override (default: project root HANDOFF.md)

Examples:

  • /handoff purpose="Continue the Pipedrive connector PR review and address CI failures"
  • /handoff purpose="Finish the scheduler forceSend implementation" target=dev2
  • /handoff purpose="Debug the auth redirect loop" output=/tmp/handoff-auth.md

Procedure

1. Gather context

Collect data from these sources (skip any that return empty):

# Active kanban cards (assigned to current agent or recently touched).
# Via the dashboard API, NOT the sqlite3 CLI: sqlite3 (and jq) are absent on a
# stock Linux install -- measured on two live hosts 2026-08-04, where the CLI
# call died with exit 127 while python3 was present on both.
AGENT_ID="$(echo $BOT_NAME | tr '[:upper:]' '[:lower:]')"
PORT="$(sed -n 's/^WEB_PORT=//p' .env 2>/dev/null | head -1 | tr -d '"')"; PORT="${PORT:-3420}"
curl -s -H "Authorization: Bearer $(cat store/.dashboard-token)" \
  "http://localhost:$PORT/api/kanban" | AGENT_ID="$AGENT_ID" python3 -c "
import json,os,sys
me=os.environ.get('AGENT_ID','')
rows=[c for c in json.load(sys.stdin)
      if not c.get('archived_at') and ((c.get('assignee') or '').lower()==me or c.get('status')=='in_progress')]
rank={'urgent':0,'high':1,'normal':2,'low':3}
rows.sort(key=lambda c:(rank.get(c.get('priority'),9), -(c.get('updated_at') or 0)))
for c in rows[:10]:
    print(c['id'], '|', c.get('status'), '|', c.get('priority'), '|', (c.get('assignee') or '-'), '|', c.get('title'))
"

# Hot memories from last 24h
curl -s -H "Authorization: Bearer $(cat store/.dashboard-token)" \
  "http://localhost:$PORT/api/memories?agent=$AGENT_ID&category=hot&limit=10"

# Recent warm memories (project context)
curl -s -H "Authorization: Bearer $(cat store/.dashboard-token)" \
  "http://localhost:$PORT/api/memories?agent=$AGENT_ID&category=warm&limit=5"

# Today's daily log
DATE=$(date +%Y-%m-%d)
curl -s -H "Authorization: Bearer $(cat store/.dashboard-token)" \
  "http://localhost:$PORT/api/daily-log?agent=$AGENT_ID&date=$DATE"

Read the full file on GitHub · 155 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. 1mo ago First seen · 155 lines · 55 tokens per session scan A 0f6b4e63ee37

Subscribe to this mod's changes

handoff is a skill published in the GitHub repository Szotasz/marveen (123 stars, last pushed today), licensed MIT. It adds 55 tokens to every session and 1,555 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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