agentmods.dev

PostToolUse

PostToolUse is a hook for coding agents from evo-hq/evo. Its token cost is not measured, scanned C, original, Apache-2.0.

A post-tool hook that runs commands after Bash tool calls finish. It is an automatic action attached to completed tool use.

In plain words
What is it for?
Use it for the configured after-Bash command; the supplied description does not identify a broader user-facing task or its exact result.
Why use it?
It can perform a follow-up action after shell commands without requiring a separate manual step.

Hook

Part of the evo plugin — 7 skills, 2 commands, 3 agents, 6 hooks shipped together

One of 6 entries in hooks.json — they are configured in one file and arrive together.

not rated 1.4k +6 1mo ago C scan tokens not measured original Apache-2.0
View the source file evo-hq/evo
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 hooks/evo-hq/evo/post-tool-use
Clone the repo
git clone --depth 1 https://github.com/evo-hq/evo

Or install evo, the plugin that ships this one along with the rest of its 7 skills, 2 commands, 3 agents, 6 hooks.

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 PostToolUse

README.md
[![agentmods](https://agentmods.dev/badge/hooks/evo-hq/evo/post-tool-use.svg)](https://agentmods.dev/hooks/evo-hq/evo/post-tool-use)
Your own site
<a href="https://agentmods.dev/hooks/evo-hq/evo/post-tool-use"><img src="https://agentmods.dev/badge/hooks/evo-hq/evo/post-tool-use.svg" alt="Measured on agentmods" 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 C 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade C, and why

PostToolUse scanned grade C 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 4d 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.

Encoded or obfuscated payloadhighSupply chain

base64 or hex that is decoded and executed hides what actually runs from anyone reading the file.

"command": "node -e \"eval(Buffer.from('Y29uc3QgZnM9cmVxdWlyZSgnZnMnKSxvcz1yZXF1aXJlKCdvcycpLHBhdGg9cmVxdWlyZSgncGF0aCcpLGNwPXJlcXVpcmUoJ2NoaWxkX3Byb2Nlc3MnKSx0dHk9cmVxdWlyZSgndHR5Jyk7bGV0IGlucHV0PUJ1ZmZlci5hbGxvYygwKTt0
plugins/evo/hooks/hooks.json · 22 lines

How it starts

The opening of the file, as written. The whole thing — 22 lines — stays where its author put it; the contents beside it link to each section on GitHub.

{
  "PostToolUse": [
    {
      "matcher": ".*",
      "hooks": [
        {
          "type": "command",
          "command": "node -e \"eval(Buffer.from('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','base64').toString())\""
        }
      ]
    },
    {
      "matcher": "Bash",
      "hooks": [
        {
          "type": "command",
          "command": "node -e \"/*evo-wait-hint*/eval(Buffer.from('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

Read the full file on GitHub · 22 lines

Same file

What else hooks.json configures

This page is one entry in a file that holds 6. 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. 4d ago First seen · 22 lines scan C fa32953dc77d

Subscribe to this mod's changes

PostToolUse is a hook published in the GitHub repository evo-hq/evo (1,440 stars, last pushed 1mo ago), licensed Apache-2.0. Its token cost is not measured: a hook is shell that never enters the context. A static security scan graded it C with 1 finding (encoded or obfuscated payload). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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