agentmods.dev

SessionStart

A session-start hook is an automatic command that runs when a coding-agent session begins. This one runs luciazero's verification and doctrine checks.

In plain words
What is it for?
It helps perform initial verification and load the project's doctrine at the beginning of each session.
Why use it?
It applies the project's checks and operating rules before work starts.

Hook

5 8d ago A scan tokens not measured copy · 89% MIT
View the source file ohm41321/luciazero
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/ohm41321/luciazero/session-start
Clone the repo
git clone --depth 1 https://github.com/ohm41321/luciazero
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 89% 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 2d 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

89% identical to UserPromptExpansion — 8 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.

claude/hooks/hooks.json · 16 lines

What it actually says

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "LUCIAZERO_CHANNEL=plugin ${CLAUDE_PLUGIN_ROOT}/claude/hooks/luciazero-verify.sh session"
        },
        {
          "type": "command",
          "command": "LUCIAZERO_CHANNEL=plugin ${CLAUDE_PLUGIN_ROOT}/claude/hooks/luciazero-verify.sh doctrine"
        }
      ]
    }
  ]
}
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. 2d ago First seen · 16 lines scan A 1cb99bef2b0d

Subscribe to this mod's changes

SessionStart is a hook published in the GitHub repository ohm41321/luciazero (5 stars, last pushed 8d 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 89% identical to UserPromptExpansion, differing in 8 lines, and is treated as a copy.

Testingagent-skillsai-agentsclaude-codeclaude-plugincodex-clideveloper-tools
Related

Other hooks, from other repositories

SessionStart

Runs when a session starts, executing hook-orchestrator.mjs via node. From tellang/triflux.

tellang/triflux · not measured

PostToolUse

Runs after a tool call finishes for ^mcp__.*odin[-_]core__odin_(init, capture, capture_repo, reextract, retier, anchor, drift_log, derive, stage_candidate, promote_candidate, decline_candidate, index, stamp, reproject, relink, challenge_log, map_log, review_log, supersede, project, record_decision, lint_ack and…

WillCAboutThat/odin-adapter · not measured

SessionStart

Runs when a session starts, executing warm_index.py and freshness_check.py via uv with --script (2 commands). From WillCAboutThat/odin-adapter.

WillCAboutThat/odin-adapter · not measured

Stop

Runs when the agent finishes a response, executing stop_lint_check.py via uv with --script. From WillCAboutThat/odin-adapter.

WillCAboutThat/odin-adapter · not measured

PreToolUse

Runs before the agent uses a tool for Bash, Agent and Skill tool calls, executing hook-orchestrator.mjs via node. From tellang/triflux.

tellang/triflux · not measured

PostToolUseFailure

Runs when a tool call fails, executing hook-orchestrator.mjs via node. From tellang/triflux.

tellang/triflux · not measured