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Provide effective context to the coding agent for Symfony development with relevant files, patterns, and constraints
MITAuto-check: notes
Install Effective Context
$ npx skills add dev-toolings/superpowers-symfony --skill effective-context -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install dev-toolings/superpowers-symfony effective-context --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/effective-context .claude/skills/effective-context && 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 "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .claude/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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/effective-contextType 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 effective-context -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install dev-toolings/superpowers-symfony effective-context --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/effective-context .agents/skills/effective-context && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .agents/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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 effective-context -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install dev-toolings/superpowers-symfony effective-context --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/effective-context .cursor/skills/effective-context && 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 "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .cursor/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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/effective-context--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 effective-context -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install dev-toolings/superpowers-symfony effective-context --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/effective-context .gemini/skills/effective-context && 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 "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .gemini/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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 effective-contextInstalls 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 effective-context -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/effective-context .github/skills/effective-context && 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 "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .github/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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 effective-context -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 effective-context --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/effective-context .opencode/skills/effective-context && 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 "effective-context" agent skill from https://github.com/dev-toolings/superpowers-symfony/tree/main/content/skills/effective-context into .opencode/skills/effective-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "effective-context", 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
effective-context- GitHub stars
- 222
- Token cost
- ~395 tokens
- SKILL.md length
- 188 words
- Files
- 2
- Skills in repo
- 44
- Repo updated
- First seen
- Licence
- MIT
At a glance
Provide effective context to the coding agent for Symfony development with relevant files, patterns, and constraints
- Works in 5 steps: State the goal and the expected behavior… → Give the versions: Symfony, PHP, and the… → Include only the files on the path of… → …
- 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
Effective Context is an agent skill from dev-toolings/superpowers-symfony. Provide effective context to the coding agent for Symfony development with relevant files, patterns, and constraints
Its SKILL.md is about 400 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
- “/effective-context”
Requirements
- Pre-approved tools (allowed-tools): Read, Glob, Grep
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- State the goal and the expected behavior in one or two sentences.
- Give the versions: Symfony, PHP, and the bundles involved.
- Include only the files on the path of the problem: entity, service, controller, configuration.
- Paste the full error with its stack trace, and the relevant log lines.
- List the constraints (performance, backward compatibility, existing patterns) and what was already tried.
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:
ReadGlobGrep
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
Effective Context loads about 395 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 188 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:30
secrets and personal data from logs and `.env` excerpts.
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). 188 words, ~395 tokens.
Download SKILL.mdSave it as
.claude/skills/effective-context/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- effective-context
- description
- Provide effective context to the coding agent for Symfony development with relevant files, patterns, and constraints
- allowed-tools
- Read, Glob, Grep
- capabilities
- read, search
- tags
- workflow
Effective Context (Symfony)
Use when
- Asking for help on a Symfony problem, or handing a task over to someone else.
- A previous answer was wrong because versions, bundles or constraints were missing.
- Reporting an error that needs diagnosis.
Default workflow
- State the goal and the expected behavior in one or two sentences.
- Give the versions: Symfony, PHP, and the bundles involved.
- Include only the files on the path of the problem: entity, service, controller, configuration.
- Paste the full error with its stack trace, and the relevant log lines.
- List the constraints (performance, backward compatibility, existing patterns) and what was already tried.
Guardrails
- Send the code on the path of the problem: not the whole
src/, not a bare one-line question. - Do not refer to code that was not shown.
- Strip secrets and personal data from logs and
.envexcerpts.
Progressive disclosure
- Use this file for execution posture and risk controls.
- Open references when deep implementation details are needed.
Output contract
- A context block following the template in
reference.md: context, goal, current code, observed behavior, attempts, constraints. - Versions and bundles, stated explicitly.
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/effective-context of dev-toolings/superpowers-symfony.
- SKILL.md
- reference.md
Open the folder on GitHubat commit 459bcd0
Compare with similar skills
Effective Context 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 |
|---|---|---|---|---|---|---|
| Effective Context this skilldev-toolings/superpowers-symfony | 222 | — | ~395 | 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 |
Similar skills
Bug Triage
symfony/symfony
Decide whether open Bug PRs target the correct branch. An agent skill from symfony/symfony.
Merge Up
symfony/symfony
Cascade-merge maintained Symfony branches from oldest to newest (e.g.
PR Merge
symfony/symfony
Merge a reviewed pull request the way the Symfony core team does: one --no-ff merge commit per PR, whose message archives the whole discussion, with the review gates checked first.
Security Triage
symfony/symfony
Triage a reported security finding into a disposition: a private CVE (coordinated disclosure + advisory), a public hardening PR (fix in the open, no CVE), or not-a-security-issue (reply to reporter).
Symfony Security Review
symfony/symfony
Review a change (a PR, the current branch diff, or a set of files) or audit a component or the whole tree for missing or incorrect security hardening.
More from dev-toolings/superpowers-symfony
All 44 skills in this repoSymfony Scheduler
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Schedule recurring tasks with the Symfony Scheduler component (native since 7.x); define schedules, triggers, and integrate with Messenger
API Platform Dto Resources
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Map entities to API DTOs in API Platform (v5, 4.4, 4.3) with the Symfony Object Mapper ([Map], stateOptions) for decoupled input/output contracts
API Platform Filters
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Implement API Platform filters - Parameters API (QueryParameter, v5/4.4/4.3) and the [ApiFilter] attribute deprecated since 4.4 - for search, date, range, boolean, and custom filtering
API Platform Resources
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Configure API Platform resources (v5, 4.4, 4.3) with explicit operations, pagination, and typed OpenAPI for clean, versioned REST/GraphQL APIs
API Platform Security
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Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control
API Platform Serialization
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Control API Platform serialization with groups, [Context], IRI links (readableLink/writableLink), and custom context builders
Related
Works with
Questions about Effective Context
What does Effective Context do?
Provide effective context to the coding agent for Symfony development with relevant files, patterns, and constraints. Effective Context is an agent skill from dev-toolings/superpowers-symfony.
How do I install Effective Context in Claude Code?
Run `npx skills add dev-toolings/superpowers-symfony --skill effective-context -a claude-code`. Or copy the skill folder (content/skills/effective-context in dev-toolings/superpowers-symfony) into .claude/skills/effective-context in your project. Claude Code loads it when a task matches its description.
How do I install Effective Context in Codex?
Run `npx skills add dev-toolings/superpowers-symfony --skill effective-context -a codex`. Or copy the skill folder (content/skills/effective-context in dev-toolings/superpowers-symfony) into .agents/skills/effective-context in your project. Codex loads it when a task matches its description.
Can I use Effective Context 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 effective-context -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/effective-context, .gemini/skills/effective-context, .github/skills/effective-context and .opencode/skills/effective-context in your project.
What does Effective Context need to run?
SKILL.md names no scripts, command-line tools or credentials: Effective Context is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep.
Does Effective Context 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 Effective Context safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Effective Context use?
Effective Context 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 Effective Context use?
About 395 tokens (SKILL.md is roughly 1.6k 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 Effective Context?
Skills that share tags, products or a category with Effective Context: 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 Effective Context?
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.