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.
npx agentmods add hooks/jamkris/everything-gemini-code/after-toolgit clone --depth 1 https://github.com/Jamkris/everything-gemini-codeGrade A, and why
AfterTool 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 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
"command": "node -e \"const{execFileSync}=require('child_process');const fs=require('fs');let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{const i=JSON.parse(d);const p=i.tool_input?.file_path;if(p&& Copies of this mod
2 near-identical copies found in the catalogue:
- PostToolUse — 91% identical, 12 lines differ
- PostToolUse — 86% identical, 30 lines differ
How it starts
The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.
{
"AfterTool": [
{
"matcher": "tool == \"run_shell_command\"",
"hooks": [
{
"type": "command",
"command": "node -e \"let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{const i=JSON.parse(d);const cmd=i.tool_input?.command||'';if(/gh pr create/.test(cmd)){const out=i.tool_output?.output||'';const m=out.match(/https:\\/\\/github.com\\/[^/]+\\/[^/]+\\/pull\\/\\d+/);if(m){console.error('[Hook] PR created: '+m[0]);const repo=m[0].replace(/https:\\/\\/github.com\\/([^/]+\\/[^/]+)\\/pull\\/\\d+/,'$1');const pr=m[0].replace(/.*\\/pull\\/(\\d+)/,'$1');console.error('[Hook] To review: gh pr review '+pr+' --repo '+repo)}}console.log(d)})\""
}
],
"description": "Log PR URL and provide review command after PR creation"
},
{
"matcher": "tool == \"run_shell_command\" && tool_input.command matches \"^\\\\s*(npm run build|pnpm (run )?build|yarn (run )?build|bun (run )?build)\\\\b\"",
"hooks": [
{
"type": "command",
"command": "node -e \"let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{console.error('[Hook] Build completed - async analysis running in background');console.log(d)})\"",
"async": true,
"timeout": 30
}
],
"description": "Example: async hook for build analysis (runs in background without blocking)"
},
{
"matcher": "tool == \"edit_file\" && tool_input.file_path matches \"\\\\.(ts|tsx|js|jsx)$\"",
"hooks": [
{
"type": "command",
"command": "node -e \"const{execFileSync}=require('child_process');const fs=require('fs');let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{const i=JSON.parse(d);const p=i.tool_input?.file_path;if(p&&fs.existsSync(p)){try{execFileSync('npx',['prettier','--write',p],{stdio:['pipe','pipe','pipe']})}catch(e){}}console.log(d)})\""
}
],
"description": "Auto-format JS/TS files wiWhat 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.
- yesterday First seen · 56 lines scan A a2cb2ddaeea7
AfterTool is a hook published in the GitHub repository Jamkris/everything-gemini-code (87 stars, last pushed 3mo 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 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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AfterTool
Runs on the AfterTool event for write_file and replace tool calls, executing after-tool.js via node. From richardcb/oh-my-gemini.