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.
git clone --depth 1 https://github.com/neskuchny/sima_atlasWrote 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.
[](https://agentmods.dev/rules/neskuchny/sima_atlas/sima-atlas-navigator)<a href="https://agentmods.dev/rules/neskuchny/sima_atlas/sima-atlas-navigator"><img src="https://agentmods.dev/badge/rules/neskuchny/sima_atlas/sima-atlas-navigator/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.
<a href="https://agentmods.dev/rules/neskuchny/sima_atlas/sima-atlas-navigator"><img src="https://agentmods.dev/badge/rules/neskuchny/sima_atlas/sima-atlas-navigator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.01328 | $0.01328 |
| Opus 5 | $0.00664 | $0.00664 |
| Sonnet 5 | $0.00266 | $0.00266 |
| Haiku 4.5 | $0.00133 | $0.00133 |
Grade A, and why
sima-atlas-navigator 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 11d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sima Atlas Navigator
You are working in a Sima Atlas codebase — a contract-first AI development tool
where each product feature lives as a directory of contracts (mission.md /
kpi.md / acceptance.md / depends_on.md / provides.md) instead of
free-form code. Follow this strategy to save tokens and avoid drift.
Standard read order for "implement / fix block X"
Stop at the first level that answers your question:
atlas/project.md(oratlas/clients/<client>/project.mdif multi-tenant)atlas/rules.md— global must-not-do constraintsatlas/tech_stack.md— locked stack choicesatlas/blocks/<X>/mission.md— intentatlas/blocks/<X>/acceptance.md— what "done" looks likeatlas/blocks/<X>/depends_on.md— upstream blocks- For each dep
<D>: onlyatlas/blocks/<D>/provides.md— not full mission atlas/blocks/<X>/tasks.md— decomposed workatlas/blocks/<X>/narrative.md— human-readable run history (R-7.80)atlas/blocks/<X>/decisions.log— past architectural choices (don't reverse without operator override)- Last 30 lines of
atlas/blocks/<X>/checks.log— verdict log atlas/operator_profile/dont_use.json— NEVER-do rules (filter to this block)atlas/operator_profile/always_use.json— ALWAYS-do rules (filter to this block)
Don't pre-read sibling blocks unless depends_on.md lists them. Don't
read kpi.md for implementation context — KPIs are for verifiers.
Prefer MCP tools over raw reads
If mcp__sima-atlas__* tools are available, use them instead of Read:
read_block(block_id)— replaces 5+ Reads with one digestlist_dependencies(block_id)— single-hop graph walkupdate_block(block_id, file, content)— validated writeverify_block_acceptance(block_id)— runs assertions, returns pass/fail/inconclusive per itemsync_check(block_id?)— drift report (dangling deps, orphan provides)
Connect via .cursor/mcp.json; see docs/integrations.md for setup.
Skip-list — NEVER auto-read these directories
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.
- 11d ago First seen · 117 lines · 1,328 tokens per session scan A e4d1dd2066c0
sima-atlas-navigator is a cursor rule published in the GitHub repository neskuchny/sima_atlas (6 stars, last pushed 2mo ago), licensed MIT. It adds 1,328 tokens to every session, about $0.0066 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 2026-08-31.
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