agentmods.dev

SessionStart

SessionStart is a hook for coding agents from robzilla1738/roberts-skills. Its token cost is not measured, scanned A, a copy of SessionStart, MIT.

A startup hook that runs a Bash script automatically when a coding session begins.

In plain words
What is it for?
Use it for tasks that must happen at the start of every session, such as preparing files or checking the environment.
Why use it?
It handles repeatable session setup without requiring you to run the same command by hand each time.

Hook

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the svvarm plugin — 1 skill, 1 command, 1 hook shipped together

not rated 5 2mo ago A scan tokens not measured copy · 56% MIT
View the source file robzilla1738/roberts-skills
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add robzilla1738/roberts-skills
Claude Code
/plugin install svvarm

Or install svvarm, the plugin that ships this one along with the rest of its 1 skill, 1 command, 1 hook.

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 SessionStart

README.md
[![agentmods](https://agentmods.dev/badge/hooks/robzilla1738/roberts-skills/session-start.svg)](https://agentmods.dev/hooks/robzilla1738/roberts-skills/session-start)
Your own site
<a href="https://agentmods.dev/hooks/robzilla1738/roberts-skills/session-start"><img src="https://agentmods.dev/badge/hooks/robzilla1738/roberts-skills/session-start.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 A 0 findings. Scan, not verified.
Origin 56% copy Near-identical to another mod in the catalogue.
Security

Grade A, and why

SessionStart 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 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.

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

This is a copy

56% identical to SessionStart — 6 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/svvarm/hooks/hooks.json · 13 lines

What it actually says

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "bash ${CLAUDE_PLUGIN_ROOT}/hooks/session-start.sh",
          "timeout": 10
        }
      ]
    }
  ]
}
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 · 13 lines scan A b19d4903aa38

Subscribe to this mod's changes

SessionStart is a hook published in the GitHub repository robzilla1738/roberts-skills (5 stars, last pushed 2mo 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. It is 56% identical to SessionStart, differing in 6 lines, and is treated as a copy.

agent-skillsaiappkitcoding-assistantdesign-systemhuman-interface-guidelines
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