auto-coder

An automated coding workflow driven by a written specification in DEVSPEC.md. It keeps the specification in chapter files, finds the next scheduled task, changes the code, runs tests, and saves progress with commits.

In plain words
What is it for?
Use it for specification-led feature work across a project, including selecting the next pending task, implementing it, testing it, and recording progress.
Why use it?
It turns a planned development schedule into a repeatable implementation process and can retry fixes when tests fail.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/sanshan1978/codeguard-rag-mcp/auto-coder
Any agent
npx skills add sanshan1978/codeguard-rag-mcp --skill auto-coder
Clone the repo
git clone --depth 1 https://github.com/sanshan1978/codeguard-rag-mcp

Made for: Claude Code, Codex.

Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,061 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00098 $0.01061
Opus 5 $0.00049 $0.00531
Sonnet 5 $0.00020 $0.00212
Haiku 4.5 $0.00010 $0.00106

Measured yesterday against content hash 76abfad201cb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

auto-coder 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/sync_spec.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.claude/skills/auto-coder/SKILL.md · 125 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. yesterday First seen · 125 lines · 98 tokens per session scan A 76abfad201cb

Subscribe to this mod's changes

auto-coder is a skill published in the GitHub repository sanshan1978/codeguard-rag-mcp (0 stars, last pushed 6d ago), with no licence file. It adds 98 tokens to every session and 1,061 once invoked, about $0.0005 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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