kb-offboard

A command that writes a handoff note to a project's Obsidian knowledge base at the end of a work session.

In plain words
What is it for?
Use it when wrapping up, saying you are done, or preparing notes for the next development session.
Why use it?
It records what happened so another session can continue without reconstructing the previous work.

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/waelmas/codeplow/kb-offboard
Any agent
npx skills add waelmas/codeplow --skill kb-offboard
Clone the repo
git clone --depth 1 https://github.com/waelmas/codeplow

Made for: Claude Code, Codex.

Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,465 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 $0.00093 $0.02465
Opus 5 $0.00046 $0.01233
Sonnet 5 $0.00019 $0.00493
Haiku 4.5 $0.00009 $0.00247

Measured 2d ago against content hash cbb556cf93c9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

kb-offboard 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.

obsidian-kb/skills/kb-offboard/SKILL.md · 261 lines

How it starts

The opening of the file, as written. The whole thing — 261 lines — stays where its author put it; the contents beside it link to each section on GitHub.

kb-offboard - Session Handoff

Examine what happened this session and write a proportional handoff note so the next session can pick up seamlessly.

Step 0: Preflight - Obsidian available and running?

Follow the Preflight Check in the obsidian-kb awareness skill (${CLAUDE_PLUGIN_ROOT}/skills/obsidian-kb/SKILL.md). In short:

  1. command -v obsidian - if missing, check if the app is installed; if neither, show cross-platform install instructions (brew install --cask obsidian / flatpak install flathub md.obsidian.Obsidian / winget install Obsidian.Obsidian, or https://obsidian.md/download) and stop.
  2. timeout 3 obsidian vaults - if it fails, launch Obsidian (open -a Obsidian on macOS, equivalent for Linux/Windows), wait 2-3 seconds, retry.
  3. Only proceed once obsidian vaults succeeds.

Step 1: Resolve the Project Vault (strict)

Follow the Vault Resolution Algorithm in ${CLAUDE_PLUGIN_ROOT}/skills/obsidian-kb/SKILL.md. It's a strict priority order:

  1. User argument (vault name in $ARGUMENTS) → fuzzy-match once, confirm, done. If the argument also contains notes (e.g., "master vault focus on auth refactor"), split: vault name hint first, rest becomes user-provided notes for Step 2d.
  2. Path overlap - exactly one vault whose path is inside $PWD or vice versa.
  3. Frontmatter project_path - a root note's YAML matches $PWD exactly.
  4. Strong name match - word-boundary substring match, exactly one candidate.
  5. STOP and ask - if tiers 1–4 all fail, list available vaults and ask. Do NOT default. Do NOT fall back to the currently active Obsidian vault.

Writing to the wrong vault would pollute it with handoff notes for an unrelated project. If you're less than confident, ASK.

After resolution, print a confirmation line on your first reply:

"Using vault <Vault Name> at <path> (matched via <tier>). Say 'wrong vault' if I should pick a different one."

Critical: every obsidian command in this skill MUST include vault="<resolved>". Never omit it.

Read the full file on GitHub · 261 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. 2d ago First seen · 261 lines · 93 tokens per session scan A cbb556cf93c9

Subscribe to this mod's changes

kb-offboard is a skill published in the GitHub repository waelmas/codeplow (8 stars, last pushed 4mo ago), licensed MIT. It adds 93 tokens to every session and 2,465 once invoked, about $0.0005 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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