cli: Hook for Claude Code

.claude/settings.json

SubagentStart is a hook for Claude Code from entireio/cli. Its token cost is not measured, scanned A, original, MIT.

A startup hook that runs a shell check whenever a workflow subagent begins.

In plain words
What is it for?
Use it to trigger the Entire CLI's subagent-start handling for workflow-subagent calls.
Why use it?
It lets a workflow perform a command automatically at the start of a subagent run, while safely doing nothing if the required command is unavailable.

Hook for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions subagents.

This is entireio/cli's own configuration. It tells Claude Code how to work on cli itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything cli configures →

One of 10 entries in settings.json upstream. Installing this one merges just its entry into your config; the other 9 are separate, each on its own page.

About the project

Entire CLI connects AI coding-agent sessions to Git so prompts, responses, files, tool calls, and checkpoints become a searchable record alongside commits. Developers and teams use it to understand why code changed, resume earlier sessions, keep agent context out of Git history, and support traceability. The catalogue includes commands, hooks, skills, agents, and plugins for the Entire workflow.

entireio/cli · 5,181 stars · on GitHub · entire.io

Reuse

Borrowing it

Nothing to install: this file belongs to entireio/cli. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/entireio/cli/main/.claude/settings.json
Clone the repo
git clone --depth 1 https://github.com/entireio/cli

Made for: Claude Code.

Wrote this? Show the measurements

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agentmods badge for SubagentStart

README.md
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Your own site
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agentmods 80×15 button for SubagentStart

Your own site · 80×15
<a href="https://agentmods.dev/hooks/entireio/cli/subagent-start"><img src="https://agentmods.dev/badge/hooks/entireio/cli/subagent-start.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
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.
Security

Grade A, and why

SubagentStart 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 yesterday.

A static scan of the commands this hook runs, not an audit. A hook is shell that executes on your machine at the event it names, which is why every command in it is printed with what was found.

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.

.claude/settings.json · 14 lines

What it actually says

{
  "SubagentStart": [
    {
      "matcher": "workflow-subagent",
      "hooks": [
        {
          "type": "command",
          "command": "sh -c 'if ! command -v entire >/dev/null 2>&1; then exit 0; fi; exec entire hooks claude-code subagent-start'",
          "timeout": 30
        }
      ]
    }
  ]
}
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. yesterday Changed · +1 lines e1592b222eaf
  2. 7d ago First seen · 13 lines scan A e4ac1262daeb

Subscribe to this mod's changes

SubagentStart is a hook published in the GitHub repository entireio/cli (5,181 stars, last pushed today), licensed MIT. Its token cost is not measured: a hook is shell that never enters the context. 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 2026-10-09.