capture

capture is a skill for Claude Code, Codex from davesheffer/hunch. It costs 21 tokens per session (244 once invoked), scanned A, original, Apache-2.0.

A guided interview for recording an engineering decision in Hunch, a graph that connects decisions and their reasoning. It records the chosen approach, the reasons, and the alternatives that were rejected.

In plain words
What is it for?
Use it to examine a decision, confirm its topic, document why other options were rejected, and save the result to Hunch.
Why use it?
It prevents important decisions from being reduced to vague notes that are hard to understand or enforce later.

Skill for Claude CodeCodex

Part of the hunch plugin — 5 skills, 1 MCP server 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/davesheffer/hunch/capture
Any agent
npx skills add davesheffer/hunch --skill capture
Clone the repo
git clone --depth 1 https://github.com/davesheffer/hunch

Made for: Claude Code, Codex.

Or install hunch, the plugin that ships this one along with the rest of its 5 skills, 1 MCP server.

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 capture

README.md
[![agentmods](https://agentmods.dev/badge/skills/davesheffer/hunch/capture.svg)](https://agentmods.dev/skills/davesheffer/hunch/capture)
Your own site
<a href="https://agentmods.dev/skills/davesheffer/hunch/capture"><img src="https://agentmods.dev/badge/skills/davesheffer/hunch/capture.svg" alt="Measured on agentmods" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 244 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 $0.00021 $0.00244
Opus 5 $0.00010 $0.00122
Sonnet 5 $0.00004 $0.00049
Haiku 4.5 $0.00002 $0.00024

Measured 3d ago against content hash 7957f7ec519a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

capture 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 3d 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.

plugin/skills/capture/SKILL.md · 12 lines

What it actually says

Capture the decision for $ARGUMENTS into Hunch's graph.

  1. Call hunch_capture_decision(topic?, seed?) — it returns the grilling protocol and a capture-session token.
  2. Run the GRILLING LOOP: one focused question at a time. Push back on hand-wavy answers. Resolve every branch before committing — an unexamined decision poisons the graph.
  3. Confirm the TOPIC anchor with me before committing. One topic per decision; if it spans two, split into two captures.
  4. Capture REJECTED alternatives explicitly (what, and why not) — this is what makes the decision enforceable (Veto/drift check against it).
  5. Commit with hunch_record_decision, passing capture_token (from step 1) and the confirmed topic. The artifact is the graph write, not prose.
  6. On CONFLICT for the topic, do NOT auto-supersede — Hunch refuses and presents both; let me choose supersede (link) / split the topic / discard.
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. 3d ago First seen · 12 lines · 21 tokens per session scan A 7957f7ec519a

Subscribe to this mod's changes

capture is a skill published in the GitHub repository davesheffer/hunch (6 stars, last pushed 3d ago), licensed Apache-2.0. It adds 21 tokens to every session and 244 once invoked, about $0.0001 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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