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codebti

codebti is a skill for Claude Code, Codex from CHENyiru3/AI-Skills-Collections. It costs 33 tokens per session (516 once invoked), scanned A, original, MIT.

A guided interview for defining coding practices in Python projects and writing them into project files.

In plain words
What is it for?
Use it to set coding style, design-pattern preferences, testing rules, or collaboration practices, then generate CodeStyle.md, SKILL.md, or SPEC.md files.
Why use it?
It turns personal preferences and team decisions into shared guidance instead of leaving them implicit or inconsistent.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 1repo 7d ago A scan 33 tokens original MIT

Good fit Use it to set coding style, design-pattern preferences, testing rules, or collaboration practices, then generate CodeStyle.md, SKILL.md, or SPEC.md files.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chenyiru3/ai-skills-collections/codebti
View source ↗ CHENyiru3/AI-Skills-Collections
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.

Any agent
npx skills add CHENyiru3/AI-Skills-Collections --skill codebti
Clone the repo
git clone --depth 1 https://github.com/CHENyiru3/AI-Skills-Collections

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for codebti

README.md
[![agentmods](https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codebti/github.svg)](https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codebti)
Your own site
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codebti"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codebti/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.

agentmods 80×15 button for codebti

Your own site · 80×15
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codebti"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codebti.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 516 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 5.1 $0.00033 $0.00516
Opus 5.5 $0.00013 $0.00206
Sonnet 5.5 $0.00007 $0.00103
Haiku 4.5 $0.00003 $0.00052

Measured 6d ago against content hash bfb0d185bc25, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

codebti 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.

skills-market/projects/codebti/SKILL.md · 40 lines

What it actually says

CodeBTI Skill

Use this skill when a user wants to establish consistent coding style, design-pattern posture, testing policy, or collaboration workflow for a project. Trigger on: "run a CodeBTI interview", "define our coding style", "create a CodeStyle.md", "generate a SKILL.md", "create a SPEC.md", "what's our project style", or any explicit request to use CodeBTI.

Workflow

  1. Ask the 10 fixed Python questions in python/questions/fixed-python.md.
  2. Ask exactly 5 adaptive follow-up questions using python/questions/adaptive-question-guide.md.
  3. Record the session with python/records/session-record.template.md.
  4. Infer the Python profile from python/profiles/python-profile-taxonomy.md and the pattern database in python/patterns/.
  5. Generate CodeStyle.md from python/templates/CodeStyle.template.md.
  6. Optionally distill the result into SKILL.md or SPEC.md using the templates in python/templates/.

Reference Material

File Purpose
python/questions/fixed-python.md 10 fixed interview questions with code examples
python/questions/adaptive-question-guide.md Rules for 5 follow-up questions
python/questions/editorial-guide.md Editorial rules for questions
python/records/session-record.template.md Session recording template
python/profiles/python-profile-taxonomy.md Python profile inference rules
python/patterns/ 22 Python design-pattern pages (GoF + extras)
python/templates/CodeStyle.template.md CodeStyle.md output template
python/templates/SKILL.template.md SKILL.md output template
python/templates/SPEC.template.md SPEC.md output template

Agent Rules

  • Show user-facing scenarios, instructions, code examples, and choices; keep scoring/signal notes hidden unless the user asks.
  • Allow the user to revise earlier answers at any time.
  • Do not mix typing styles, error policies, or naming conventions inconsistently in generated output.
  • Preserve session records as evidence for generated recommendations.
  • Prefer markdown output over scripts or tooling unless the user explicitly requests it.
Files

What ships with it

39 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. 6d ago First seen · 40 lines · 33 tokens per session scan A bfb0d185bc25

Subscribe to this mod's changes

codebti is a skill published in the GitHub repository CHENyiru3/AI-Skills-Collections (1 stars, last pushed 7d ago), licensed MIT. It adds 33 tokens to every session and 516 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-10-02.

LanguagesPython
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