env-generation

env-generation is a skill for Claude Code, Codex from paruff/uFawkesAI. It costs 30 tokens per session (439 once invoked), scanned A, original, MIT.

A helper for creating local environment files from an example or template. These files hold settings such as database addresses, service URLs, feature flags, and API keys.

In plain words
What is it for?
Use it to create .env.local, fill required variables with placeholders, check that the file is ignored by Git, verify the example lists required settings, and confirm secrets are not committed.
Why use it?
It helps prepare a project for local use while keeping real secrets out of committed source code.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; installed under .agents/ (shared by several agents); mentions Codex.

Good fit Use it to create .env.local, fill required variables with placeholders, check that the file is ignored by Git, verify the example lists required settings, and confirm secrets are not committed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/paruff/ufawkesai/env-generation
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 paruff/uFawkesAI --skill env-generation
Clone the repo
git clone --depth 1 https://github.com/paruff/uFawkesAI

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 env-generation

README.md
[![agentmods](https://agentmods.dev/badge/skills/paruff/ufawkesai/env-generation.svg)](https://agentmods.dev/skills/paruff/ufawkesai/env-generation)
Your own site
<a href="https://agentmods.dev/skills/paruff/ufawkesai/env-generation"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/env-generation.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 439 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 $0.00030 $0.00439
Opus 5 $0.00015 $0.00219
Sonnet 5 $0.00006 $0.00088
Haiku 4.5 $0.00003 $0.00044

Measured 8d ago against content hash 769e4a511d52, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

env-generation 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 8d 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.

.agents/skills/dev-experience/workspace-bootstrap/env-generation/SKILL.md · 76 lines

What it actually says

Skill: Environment File Generation

Load trigger: "load env-generation skill" > DORA: Cap 3 (AI-Accessible Internal Data) Token cost: Low

Purpose

Generate .env files for local development.

Responsibilities

  • Create .env.local from template
  • Populate required variables
  • Validate secrets are not committed
  • Validate .env.local in .gitignore

Inputs

  • .env.example or .env.template
  • Project config

Outputs

  • .env.local

Variable Categories

Category Example Required
Database DATABASE_URL Yes
API Keys API_KEY Yes
Service URLs SERVICE_URL Yes
Feature Flags FEATURE_X No
Debug DEBUG No

Validation Rules

  • .env.example exists with all required variables
  • .env.local generated with placeholders
  • .env.local in .gitignore
  • No real secrets in committed files
  • All required variables documented

Output Format

{
  "skill": "env-generation",
  "status": "success",
  "template": ".env.example",
  "output": ".env.local",
  "variables": {
    "required": 5,
    "populated": 5,
    "optional": 3
  },
  "in_gitignore": true
}

Success Criteria

  • Valid .env.local generated
  • All required variables present
  • Secrets not committed
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. 8d ago First seen · 76 lines · 30 tokens per session scan A 769e4a511d52

Subscribe to this mod's changes

env-generation is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 16d ago), licensed MIT. It adds 30 tokens to every session and 439 once invoked, about $0.0002 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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