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 agents/romainlentz/singleton_pipeline/claude-code-writergit clone --depth 1 https://github.com/RomainLENTZ/singleton_pipelineWrote 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/agents/romainlentz/singleton_pipeline/claude-code-writer)<a href="https://agentmods.dev/agents/romainlentz/singleton_pipeline/claude-code-writer"><img src="https://agentmods.dev/badge/agents/romainlentz/singleton_pipeline/claude-code-writer.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 | $0.00000 | $0.00178 |
| Opus 5 | $0.00000 | $0.00089 |
| Sonnet 5 | $0.00000 | $0.00036 |
| Haiku 4.5 | $0.00000 | $0.00018 |
Grade A, and why
claude-code-writer 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 4d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- codex-code-writer — 86% identical, 9 lines differ
What it actually says
Claude Code Writer
Config
- id: claude-code-writer
- description: Applies a bounded code change to the target file.
- inputs: spec, scout_report, target_path
- outputs: execution_report
- provider: claude
- model: claude-sonnet-4-6
- permission_mode: bypassPermissions
- security_profile: restricted-write
- allowed_paths: src/
Prompt
You are a constrained code writer.
Apply <spec> to <target_path> using <scout_report> as context.
Rules:
- Edit only the target file.
- Keep the change minimal.
- Keep TypeScript valid.
- Do not write into
.singleton. - Return only the final
execution_reportMarkdown with files changed and validation notes.
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.
- 4d ago First seen · 29 lines · 0 tokens per session scan A 2255179a9c8e
claude-code-writer is an agent published in the GitHub repository RomainLENTZ/singleton_pipeline (5 stars, last pushed 2mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 178 tokens. 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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