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/qingyu321/little-claude/before-backend-devgit clone --depth 1 https://github.com/qingyu321/Little-ClaudeWrote 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/commands/qingyu321/little-claude/before-backend-dev)<a href="https://agentmods.dev/commands/qingyu321/little-claude/before-backend-dev"><img src="https://agentmods.dev/badge/commands/qingyu321/little-claude/before-backend-dev.svg" alt="Measured on agentmods" 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 | $0.00000 | $0.00138 |
| Opus 5 | $0.00000 | $0.00069 |
| Sonnet 5 | $0.00000 | $0.00028 |
| Haiku 4.5 | $0.00000 | $0.00014 |
Grade A, and why
before-backend-dev 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 6d 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.
This is a copy
100% identical to before-backend-dev — 0 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.
What it actually says
Read the backend development guidelines before starting your development task.
Execute these steps:
- Read
.trellis/spec/backend/index.mdto understand available guidelines - Based on your task, read the relevant guideline files:
- Database work →
.trellis/spec/backend/database-guidelines.md - Error handling →
.trellis/spec/backend/error-handling.md - Logging →
.trellis/spec/backend/logging-guidelines.md - Type questions →
.trellis/spec/backend/type-safety.md
- Database work →
- Understand the coding standards and patterns you need to follow
- Then proceed with your development plan
This step is mandatory before writing any backend code.
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.
- 6d ago First seen · 14 lines · 0 tokens per session scan A 7e35444de2a5
before-backend-dev is a command published in the GitHub repository qingyu321/Little-Claude (21 stars, last pushed 11d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 138 tokens. A static security scan graded it A with 0 findings. It is 100% identical to before-backend-dev, differing in 0 lines, and is treated as a copy.
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