agentmods.dev

omnigraph: Hook for Claude Code

.claude/settings.json

SessionStart is a hook for Claude Code from ModernRelay/omnigraph. Its token cost is not measured, scanned A, original, MIT.

A startup hook that runs the seed-target.sh shell script when a coding session begins. It changes into the project directory before running the script.

In plain words
What is it for?
It is for preparing the target project at session startup.
Why use it?
It makes the session's initial project seeding automatic rather than relying on a developer or agent to remember the setup command.

Hook for Claude Code

Written for Claude Code: $CLAUDE_PROJECT_DIR variable.

This is ModernRelay/omnigraph's own configuration. It tells Claude Code how to work on omnigraph itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything omnigraph configures →

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.

not rated 1.9krepo +75 today A scan tokens not measured original MIT
View source ↗ ModernRelay/omnigraph omnigraph.dev
About the project

Omnigraph is a graph database that stores operational context and coordination data in a lakehouse, combining graph traversal, vector search, and full-text search. It is designed for fleets of software agents that enrich shared knowledge on separate branches and merge reviewed changes; the catalogue add-ons help agents operate and coordinate through Omnigraph.

ModernRelay/omnigraph · 1,898 stars · on GitHub · omnigraph.dev

Reuse

Borrowing it

Nothing to install: this file belongs to ModernRelay/omnigraph. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/ModernRelay/omnigraph/main/.claude/settings.json
Clone the repo
git clone --depth 1 https://github.com/ModernRelay/omnigraph

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 SessionStart

README.md
[![agentmods](https://agentmods.dev/badge/hooks/modernrelay/omnigraph/session-start/github.svg)](https://agentmods.dev/hooks/modernrelay/omnigraph/session-start)
Your own site
<a href="https://agentmods.dev/hooks/modernrelay/omnigraph/session-start"><img src="https://agentmods.dev/badge/hooks/modernrelay/omnigraph/session-start/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 SessionStart

Your own site · 80×15
<a href="https://agentmods.dev/hooks/modernrelay/omnigraph/session-start"><img src="https://agentmods.dev/badge/hooks/modernrelay/omnigraph/session-start.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

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 5d 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.

.claude/settings.json · 14 lines

What it actually says

{
  "SessionStart": [
    {
      "matcher": "startup",
      "hooks": [
        {
          "type": "command",
          "command": "cd \"$CLAUDE_PROJECT_DIR\" && sh scripts/seed-target.sh",
          "timeout": 600
        }
      ]
    }
  ]
}
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. 5d ago First seen · 14 lines scan A 215f0d081030

Subscribe to this mod's changes

SessionStart is a hook published in the GitHub repository ModernRelay/omnigraph (1,898 stars, last pushed today), 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 2026-11-01.

Building agentsProductivityapache-arrowdatafusiongraph-databaseknowledge-graphlakehouselance
Related

SessionStart compared with hooks from other repositories

SessionStart next to 6 hooks from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
SessionStartModernRelay/omnigraphHook1.9ktodayMITA—Claude Code
SessionStartMatthewSherlin/mushroomdbHook5todaynoneA—Claude Code
UserPromptSubmitMatthewSherlin/mushroomdbHook5todaynoneA—Claude Code
StopDesko77/claude-code-skills-1cHook90yesterdayMITA—Claude Code
Stoptractorjuice/arckit-claudeHook64d agononeA—Claude Code
SessionStartsupabase/supabaseHook115ktodayApache-2.0A—Claude Code
PostToolUsesupabase/supabaseHook115ktodayApache-2.0A—Claude Code