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Agent skill

API Platform Security

by dev-toolings in dev-toolings/superpowers-symfony

Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control

MITAuto-check: notesBackend & APIs

Install API Platform Security

skills CLI
$ npx skills add dev-toolings/superpowers-symfony --skill api-platform-security -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install dev-toolings/superpowers-symfony api-platform-security --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/dev-toolings/superpowers-symfony.git skills-src && mkdir -p .claude/skills && cp -r skills-src/content/skills/api-platform-security .claude/skills/api-platform-security && rm -rf skills-src

Use ~/.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/

Facts

Skill name
api-platform-security
GitHub stars
222
Token cost
~551 tokens
SKILL.md length
242 words
Files
2
Skills in repo
44
Repo updated
First seen
Licence
MIT

At a glance

Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control

  • Works in 6 steps: Set security per operation with… → Move complex rules into voters:… → When the rule depends on input, use… → …
  • Tasks that involve Authorization and RBAC
  • 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

API Platform Security is an agent skill from dev-toolings/superpowers-symfony. Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control

Its SKILL.md is about 550 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `reference.md`).

It sits in Backend & APIs, covering Authorization and RBAC. 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.

When your agent uses it

  • Tasks that involve Authorization and RBAC

Example prompts

  • “/api-platform-security”

Requirements

  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit, Bash

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Set security per operation with is_granted(), object, and user, plus a securityMessage.
  2. Move complex rules into voters: is_granted('POST_EDIT', object).
  3. When the rule depends on input, use securityPostDenormalize, or securityPostValidation to run after the Validator.
  4. Scope rows with a QueryCollectionExtensionInterface (and QueryItemExtensionInterface) or a state provider.
  5. Hide fields with serializer groups and a decorated context builder, and guard the firewall with access_control.
  6. Test both the grant and the deny case for every protected operation.

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:

    • Read
    • Glob
    • Grep
    • Write
    • Edit
    • Bash

    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

API Platform Security loads about 551 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 242 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~551

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.

  • 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). 242 words, ~551 tokens.

Download SKILL.mdSave it as .claude/skills/api-platform-security/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
api-platform-security
description
Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control
allowed-tools
Read, Glob, Grep, Write, Edit, Bash
capabilities
read, search, edit, shell
tags
api-platform, security

Api Platform Security (Symfony)

Use when

  • Restricting who may call each operation of an API Platform resource.
  • Authorization depends on the object (owner) or on the submitted data.
  • Users must see only a subset of a collection.
  • Fields must be hidden depending on role or ownership.

Default workflow

  1. Set security per operation with is_granted(), object, and user, plus a securityMessage.
  2. Move complex rules into voters: is_granted('POST_EDIT', object).
  3. When the rule depends on input, use securityPostDenormalize, or securityPostValidation to run after the Validator.
  4. Scope rows with a QueryCollectionExtensionInterface (and QueryItemExtensionInterface) or a state provider.
  5. Hide fields with serializer groups and a decorated context builder, and guard the firewall with access_control.
  6. Test both the grant and the deny case for every protected operation.

Guardrails

  • Never filter rows with a security expression on a collection: it gates the whole collection, it does not scope it.
  • Order of checks: security, denormalization, securityPostDenormalize, validation, securityPostValidation.
  • previous_object exists only in securityPostDenormalize, and request only at resource level.
  • Deny by default and mark secrets such as password with #[Ignore].
  • getAccessDecision() and the Twig access_decision() helper need Symfony 8.1 or later: verify before using them.

Progressive disclosure

  • Use this file for execution posture and risk controls.
  • Open references when deep implementation details are needed.

Output contract

  • The security expression and message per operation, and the voters involved.
  • How collections and fields are scoped per user.
  • Tests covering allowed, forbidden, and anonymous access.

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/api-platform-security of dev-toolings/superpowers-symfony.

  • SKILL.md
  • reference.md

Open the folder on GitHubat commit 459bcd0

Compare with similar skills

API Platform Security 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.

API Platform Security compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
API Platform Security this skilldev-toolings/superpowers-symfony222—~551Automated safety check: NotesMIT
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
K8s Security PoliciesCybereason-Public/owLSM28012 repos~2kAutomated safety check: PassGPL-2.0
Payloadpayloadcms/payload45k5 repos~6.2kAutomated safety check: PassMIT
Convex Setup Authspokvulcan/poker-planning1148 repos~1.8kAutomated safety check: PassMIT
Abp Authorizationabpframework/abp14k—~1.3kAutomated safety check: PassLGPL-3.0

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  • Configuring Horizon

    coollabsio/coolify

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    63k GitHub starsUsed in 4 repos~898 tokens
    Backend & APIsAuto-check passed

  • K8s Security Policies

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    Comprehensive guide for implementing NetworkPolicy, PodSecurityPolicy, RBAC, and Pod Security Standards in Kubernetes.

    280 GitHub starsUsed in 12 repos~2k tokens
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  • Payload

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More from dev-toolings/superpowers-symfony

All 44 skills in this repo

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  • API Platform Dto Resources

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  • API Platform Filters

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  • 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

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  • API Platform Serialization

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    Control API Platform serialization with groups, [Context], IRI links (readableLink/writableLink), and custom context builders

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  • API Platform State Providers

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Categories

Questions about API Platform Security

What does API Platform Security do?

Secure API Platform resources with security expressions, voters, securityPostValidation, and operation-level access control. API Platform Security is an agent skill from dev-toolings/superpowers-symfony.

When should I use API Platform Security?

API Platform Security fits situations like: tasks that involve Authorization and RBAC.

How do I install API Platform Security in Claude Code?

Run `npx skills add dev-toolings/superpowers-symfony --skill api-platform-security -a claude-code`. Or copy the skill folder (content/skills/api-platform-security in dev-toolings/superpowers-symfony) into .claude/skills/api-platform-security in your project. Claude Code loads it when a task matches its description.

How do I install API Platform Security in Codex?

Run `npx skills add dev-toolings/superpowers-symfony --skill api-platform-security -a codex`. Or copy the skill folder (content/skills/api-platform-security in dev-toolings/superpowers-symfony) into .agents/skills/api-platform-security in your project. Codex loads it when a task matches its description.

Can I use API Platform Security 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 api-platform-security -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/api-platform-security, .gemini/skills/api-platform-security, .github/skills/api-platform-security and .opencode/skills/api-platform-security in your project.

What does API Platform Security need to run?

SKILL.md names no scripts, command-line tools or credentials: API Platform Security is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit, Bash.

Does API Platform Security 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 API Platform Security safe to install?

Our automated static check of SKILL.md found notes only (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 API Platform Security use?

API Platform Security 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 API Platform Security use?

About 551 tokens (SKILL.md is roughly 2.2k 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 API Platform Security?

Skills that share tags, products or a category with API Platform Security: Configuring Horizon (coollabsio/coolify, 63k stars), K8s Security Policies (Cybereason-Public/owLSM, 280 stars), Payload (payloadcms/payload, 45k stars) and Convex Setup Auth (spokvulcan/poker-planning, 114 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains API Platform Security?

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.