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 commands/helweg/open-codebase-index/visualizegit clone --depth 1 https://github.com/Helweg/open-codebase-indexWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00006 | $0.00275 |
| Opus 5 | $0.00003 | $0.00138 |
| Sonnet 5 | $0.00001 | $0.00055 |
| Haiku 4.5 | $0.00001 | $0.00028 |
Grade A, and why
visualize 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 yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
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.
What it actually says
Generate an interactive temporal call graph visualization that starts with recent movement/onboarding context, then supports module overview, symbol exploration, hotspots, and cycles.
User input: $ARGUMENTS
Parse input for optional parameters:
- Plain text → directory filter (e.g.,
/visualize src/services) max=Nor "limit N" → sets maxNodesorphansorinclude-orphans→ sets includeOrphans=true- No input → visualize recent code movement plus entire call graph
Call index_visualize with parsed parameters.
Examples:
/visualize→ temporal onboarding view with changes, modules, symbols, hotspots, and cycles/visualize src/tools→ only symbols in src/tools//visualize max=1000→ limit to 1000 nodes/visualize src/indexer orphans→ include disconnected nodes
If the index doesn't exist, run index_codebase first.
Return the generated file path and open instructions.
Terminology:
- Modules are path-based code areas, such as
src/toolsornative. - Symbols are indexed named code units, such as functions, methods, classes, or Rust modules.
- Cycles are loops where code can eventually call or depend back on itself.
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.
- yesterday First seen · 31 lines · 6 tokens per session scan A 2a3e9b34d2d0
visualize is a command published in the GitHub repository Helweg/open-codebase-index (183 stars, last pushed 2d ago), licensed MIT. It adds 6 tokens to every session and 275 once invoked, about $0.0000 per session on Opus 5. 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 2026-08-30.
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