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Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings
MITAuto-check: notes
Install Config Env Parameters
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install dev-toolings/superpowers-symfony config-env-parameters --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .claude/skills && cp -r skills-src/content/skills/config-env-parameters .claude/skills/config-env-parameters && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .claude/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parametersType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install dev-toolings/superpowers-symfony config-env-parameters --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .agents/skills && cp -r skills-src/content/skills/config-env-parameters .agents/skills/config-env-parameters && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .agents/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install dev-toolings/superpowers-symfony config-env-parameters --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/content/skills/config-env-parameters .cursor/skills/config-env-parameters && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .cursor/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/dev-toolings/superpowers-symfony.git --path content/skills/config-env-parameters--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install dev-toolings/superpowers-symfony config-env-parameters --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/content/skills/config-env-parameters .gemini/skills/config-env-parameters && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .gemini/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install dev-toolings/superpowers-symfony config-env-parametersInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .github/skills && cp -r skills-src/content/skills/config-env-parameters .github/skills/config-env-parameters && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .github/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install dev-toolings/superpowers-symfony config-env-parameters --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/content/skills/config-env-parameters .opencode/skills/config-env-parameters && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "config-env-parameters" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/config-env-parameters into .opencode/skills/config-env-parameters/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "config-env-parameters", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
config-env-parameters- GitHub stars
- 222
- Token cost
- ~455 tokens
- SKILL.md length
- 202 words
- Files
- 2
- Skills in repo
- 44
- Repo updated
- First seen
- Licence
- MIT
At a glance
Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings
- Works in 5 steps: Decide where the value lives: .env… → Declare it with a safe committed… → Inject it with %env(...)% and the right… → …
- SKILL.md covers Use when, Default workflow, Guardrails and Progressive disclosure, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Config Env Parameters is an agent skill from dev-toolings/superpowers-symfony. Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings
Its SKILL.md is about 460 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `reference.md`).
It works with Symfony. The repository describes itself as: Claude Code plugin for Symfony 7.4 LTS & 8.x — 44 skills, 7 AI subagents & 13 commands for API Platform v4, Doctrine ORM 3, TDD (Pest/PHPUnit), Messenger, security & DDD. The licence is MIT.
Example prompts
- “/config-env-parameters”
Requirements
- Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit, Bash
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Decide where the value lives: .env default, .env.local, real environment, or the vault for secrets.
- Declare it with a safe committed default, never a real credential.
- Inject it with %env(...)% and the right processor, through a parameter or #[Autowire].
- Put environment-specific settings in config/packages// or when@ blocks.
- Fail fast in the service when a required value is empty.
What it can do on your machine
Read from SKILL.md and the folder at commit 459bcd0. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadGlobGrepWriteEditBash
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Config Env Parameters loads about 455 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 202 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NoteMentions a .env fileSKILL.md:3
ption: Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings - NoteMentions a .env fileSKILL.md:25
1. Decide where the value lives: `.env` default, `.env.local`, real environment, or the vault for secrets. - NoteMentions a .env fileSKILL.md:32
- Never commit `.env.local`, `.env.*.local` or the vault decryption key. - NoteMentions a .env fileSKILL.md:35
- Remember the loading order: `.env`, `.env.local` (skipped in test), `.env.<env>`, `.env.<env>.local`. - NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Read, Glob, Grep, Write, Edit, Bash
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from dev-toolings/superpowers-symfony at commit 459bcd0, republished under its MIT licence (© dev-toolings). 202 words, ~455 tokens.
Download SKILL.mdSave it as
.claude/skills/config-env-parameters/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- config-env-parameters
- description
- Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings
- allowed-tools
- Read, Glob, Grep, Write, Edit, Bash
- capabilities
- read, search, edit, shell
- tags
- architecture, config
Config Env Parameters (Symfony)
Use when
- Adding or changing an environment variable, a parameter, or a secret.
- A value differs between environments (dev, test, prod).
- Casting or parsing env values (
int:,bool:,json:,csv:,file:). - Storing credentials in the Symfony secrets vault.
Default workflow
- Decide where the value lives:
.envdefault,.env.local, real environment, or the vault for secrets. - Declare it with a safe committed default, never a real credential.
- Inject it with
%env(...)%and the right processor, through a parameter or#[Autowire]. - Put environment-specific settings in
config/packages/<env>/orwhen@<env>blocks. - Fail fast in the service when a required value is empty.
Guardrails
- Never commit
.env.local,.env.*.localor the vault decryption key. - In production, set variables in the server or container environment, not in files.
- Env values are strings until processed: cast them, do not compare
"false"tofalse. - Remember the loading order:
.env,.env.local(skipped in test),.env.<env>,.env.<env>.local.
Progressive disclosure
- Use this file for execution posture and risk controls.
- Open references when deep implementation details are needed.
Output contract
- Where each new value is defined, per environment.
- The injection point and the processor used.
- Secrets added to the vault, named but never printed.
References
reference.md
© dev-toolings, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in content/skills/config-env-parameters of dev-toolings/superpowers-symfony.
- SKILL.md
- reference.md
Open the folder on GitHubat commit 459bcd0
Compare with similar skills
Config Env Parameters next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Config Env Parameters this skilldev-toolings/superpowers-symfony | 222 | — | ~455 | Automated safety check: Notes | MIT | |
| Sync Translationssymfony/symfony | 31k | — | ~1.9k | Automated safety check: Pass | MIT | |
| Bug Triagesymfony/symfony | 31k | — | ~1.9k | Automated safety check: Pass | MIT | |
| Merge Upsymfony/symfony | 31k | — | ~4k | Automated safety check: Pass | MIT | |
| PR Mergesymfony/symfony | 31k | — | ~3.1k | Automated safety check: Pass | MIT | |
| Security Triagesymfony/symfony | 31k | — | ~2.6k | Automated safety check: Pass | MIT |
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Works with
Questions about Config Env Parameters
What does Config Env Parameters do?
Manage Symfony configuration with .env files, parameters, secrets vault, and environment-specific settings. Config Env Parameters is an agent skill from dev-toolings/superpowers-symfony.
How do I install Config Env Parameters in Claude Code?
Run `npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a claude-code`. Or copy the skill folder (content/skills/config-env-parameters in dev-toolings/superpowers-symfony) into .claude/skills/config-env-parameters in your project. Claude Code loads it when a task matches its description.
How do I install Config Env Parameters in Codex?
Run `npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a codex`. Or copy the skill folder (content/skills/config-env-parameters in dev-toolings/superpowers-symfony) into .agents/skills/config-env-parameters in your project. Codex loads it when a task matches its description.
Can I use Config Env Parameters in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add dev-toolings/superpowers-symfony --skill config-env-parameters -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/config-env-parameters, .gemini/skills/config-env-parameters, .github/skills/config-env-parameters and .opencode/skills/config-env-parameters in your project.
What does Config Env Parameters need to run?
SKILL.md names no scripts, command-line tools or credentials: Config Env Parameters is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit, Bash.
Does Config Env Parameters access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Config Env Parameters safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file; pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Config Env Parameters use?
Config Env Parameters is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Config Env Parameters use?
About 455 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Config Env Parameters?
Skills that share tags, products or a category with Config Env Parameters: Sync Translations (symfony/symfony, 31k stars), Bug Triage (symfony/symfony, 31k stars), Merge Up (symfony/symfony, 31k stars) and PR Merge (symfony/symfony, 31k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Config Env Parameters?
dev-toolings (a GitHub organization) maintains it in dev-toolings/superpowers-symfony, which has 222 GitHub stars. The repository holds 44 skills in this directory. The repository was last updated on October 5, 2026.
Source: dev-toolings/superpowers-symfony on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.