UserPromptSubmit

UserPromptSubmit is a hook for Claude Code from KimYx0207/Kim_Service. Its token cost is not measured, scanned A, original, MIT.

A prompt-submission hook that runs a Node.js script whenever a user sends a prompt, before the coding agent processes it.

In plain words
What is it for?
Use it to run .claude/hooks/user-prompt-submit.js before each submitted prompt.
Why use it?
It automates work that must happen at the start of every request instead of relying on the agent or user to remember it.

Hook for Claude Code

Written for Claude Code: UserPromptSubmit hook event. Also seen: reads .claude/ paths.

One of 2 entries in settings.json upstream. Installing this one merges just its entry into your config; the other 1 are separate, each on its own page.

Good fit Use it to run .claude/hooks/user-prompt-submit.js before each submitted prompt.

Compare 6 hooks from other repositories ↓
Install with agentmods
npx agentmods add hooks/kimyx0207/kim_service/user-prompt-submit
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.

Clone the repo
git clone --depth 1 https://github.com/KimYx0207/Kim_Service

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 UserPromptSubmit

README.md
[![agentmods](https://agentmods.dev/badge/hooks/kimyx0207/kim_service/user-prompt-submit/github.svg)](https://agentmods.dev/hooks/kimyx0207/kim_service/user-prompt-submit)
Your own site
<a href="https://agentmods.dev/hooks/kimyx0207/kim_service/user-prompt-submit"><img src="https://agentmods.dev/badge/hooks/kimyx0207/kim_service/user-prompt-submit/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 UserPromptSubmit

Your own site · 80×15
<a href="https://agentmods.dev/hooks/kimyx0207/kim_service/user-prompt-submit"><img src="https://agentmods.dev/badge/hooks/kimyx0207/kim_service/user-prompt-submit.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

UserPromptSubmit 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 10d ago.

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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

hooks/hookprompt/.claude/settings.json · 15 lines

What it actually says

{
  "UserPromptSubmit": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "node",
          "args": [
            ".claude/hooks/user-prompt-submit.js"
          ]
        }
      ]
    }
  ]
}
Same file

What else settings.json configures

This page is one entry in a file that holds 2. Installing the file brings all of them; each is measured and scanned on its own page.

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. 10d ago First seen · 15 lines scan A 042aa2c31eb2

Subscribe to this mod's changes

UserPromptSubmit is a hook published in the GitHub repository KimYx0207/Kim_Service (169 stars, last pushed 27d ago), 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 2026-08-30.