Borrowing it
Nothing to install: this file belongs to shepard-system/shepard-obs-stack. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/shepard-system/shepard-obs-stack/main/CLAUDE.mdgit clone --depth 1 https://github.com/shepard-system/shepard-obs-stackWrote 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/instructions/shepard-system/shepard-obs-stack/claude-md)<a href="https://agentmods.dev/instructions/shepard-system/shepard-obs-stack/claude-md"><img src="https://agentmods.dev/badge/instructions/shepard-system/shepard-obs-stack/claude-md/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/instructions/shepard-system/shepard-obs-stack/claude-md"><img src="https://agentmods.dev/badge/instructions/shepard-system/shepard-obs-stack/claude-md.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 | $0.06487 | $0.06487 |
| Opus 5.5 | $0.02595 | $0.02595 |
| Sonnet 5.5 | $0.01297 | $0.01297 |
| Haiku 4.5 | $0.00649 | $0.00649 |
Grade B, and why
shepard-obs-stack CLAUDE.md scanned grade B with 2 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 1mo 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.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
| Claude Code | OTLP gRPC :4317 | metrics (`claude_code.*`) + logs | `~/.claude/settings.json` `"env"` block | Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -s http://localhost:3100/ready # Loki health The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
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.
- 1mo ago First seen · 411 lines · 6,487 tokens per session scan B f3027783505a
shepard-obs-stack CLAUDE.md is an instructions file published in the GitHub repository shepard-system/shepard-obs-stack (69 stars, last pushed 7mo ago), with no licence file. It adds 6,487 tokens to every session, about $0.0259 per session on Opus 5.5. A static security scan graded it B with 2 findings (reads agent configuration directories, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other instructions, from other repositories
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AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
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Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
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Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
vscode model-prompts.instructions.md
Model-specific prompt authoring and registry guidelines.