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Agent skill

API Platform Filters

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

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

MITAuto-check: notesDatabases

Install API Platform Filters

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

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

GitHub CLI
$ gh skill install dev-toolings/superpowers-symfony api-platform-filters --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-filters .claude/skills/api-platform-filters && 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-filters
GitHub stars
222
Token cost
~610 tokens
SKILL.md length
261 words
Files
2
Skills in repo
44
Repo updated
First seen
Licence
MIT

At a glance

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

  • Works in 5 steps: Declare parameters with QueryParameter… → Choose a filter class per parameter,… → For a custom filter, implement… → …
  • Databases work in your project
  • 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 Filters is an agent skill from dev-toolings/superpowers-symfony. 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

Its SKILL.md is about 610 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 Databases. 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

  • Databases work in your project

Example prompts

  • “/api-platform-filters”

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.

  1. Declare parameters with QueryParameter on the operation; keep #[ApiFilter] only in 3.4 code or code not yet migrated.
  2. Choose a filter class per parameter, checking the installed version: ExactFilter, PartialSearchFilter, FreeTextQueryFilter, OrFilter…
  3. For a custom filter, implement FilterInterface and read the bound value from $context['parameter'] (AbstractFilter and filterProperty()…
  4. Turn on strictQueryParameterValidation so unknown query parameters return 400.
  5. Add #[ORM\Index] on filtered columns, then request the endpoint with matching and non-matching values.

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 Filters loads about 610 tokens when it runs. Until then it costs about 52 tokens; SKILL.md has 261 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~52
When it runs · the whole SKILL.md, loaded when a task matches
~610

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). 261 words, ~610 tokens.

Download SKILL.mdSave it as .claude/skills/api-platform-filters/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
api-platform-filters
description
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
allowed-tools
Read, Glob, Grep, Write, Edit, Bash
capabilities
read, search, edit, shell
tags
api-platform

Api Platform Filters (Symfony)

Use when

  • A collection endpoint needs search, exact match, range, date, boolean, or sort query parameters.
  • One query parameter must search across several properties.
  • A filter needs custom query logic that the built-in filters do not cover.
  • Migrating #[ApiFilter] declarations (deprecated since 4.4) to the Parameters API, by hand or with api:upgrade-filter.

Default workflow

  1. Declare parameters with QueryParameter on the operation; keep #[ApiFilter] only in 3.4 code or code not yet migrated.
  2. Choose a filter class per parameter, checking the installed version: ExactFilter, PartialSearchFilter, FreeTextQueryFilter, OrFilter, IriFilter (4.2+), ComparisonFilter, SortFilter (4.3+), StartSearchFilter, EndSearchFilter, ChainFilter (4.4+).
  3. For a custom filter, implement FilterInterface and read the bound value from $context['parameter'] (AbstractFilter and filterProperty() are deprecated since 4.4: keep them for 4.3 and 3.4 code).
  4. Turn on strictQueryParameterValidation so unknown query parameters return 400.
  5. Add #[ORM\Index] on filtered columns, then request the endpoint with matching and non-matching values.

Guardrails

  • Keep filter classes stateless: take request data from $context, not the constructor.
  • Expose only the properties clients need to filter on.
  • Use exact matching for ids and foreign keys: partial LIKE %value% cannot use an index.
  • In custom filters, validate the value and bind it with generateParameterName() and setParameter(), never by string concatenation.

Progressive disclosure

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

Output contract

  • The parameters per operation, with filter class and accepted syntax (for example ?price[gte]=1000).
  • Indexes added for the filtered columns.
  • Tests for a match, an empty result, and an unknown parameter.

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-filters of dev-toolings/superpowers-symfony.

  • SKILL.md
  • reference.md

Open the folder on GitHubat commit 459bcd0

Compare with similar skills

API Platform Filters 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 Filters compared with similar skills
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Iptvnator Sqlite DB Worker4gray/iptvnator7.3k—~824Automated safety check: PassMIT
Replicate Video AdJingyi-Wu-Richael/replicate-video-ad1061 repos~1.6kAutomated safety check: PassNone
Content Create Hero Imageprisma/web1.1k—~6.9kAutomated safety check: PassNone

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Categories

Questions about API Platform Filters

What does API Platform Filters do?

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 Filters is an agent skill from dev-toolings/superpowers-symfony.

When should I use API Platform Filters?

API Platform Filters fits situations like: databases work in your project.

How do I install API Platform Filters in Claude Code?

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

How do I install API Platform Filters in Codex?

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

Can I use API Platform Filters 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-filters -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-filters, .gemini/skills/api-platform-filters, .github/skills/api-platform-filters and .opencode/skills/api-platform-filters in your project.

What does API Platform Filters need to run?

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

Does API Platform Filters 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 Filters 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 Filters use?

API Platform Filters 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 Filters use?

About 610 tokens (SKILL.md is roughly 2.4k 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 Filters?

Skills that share tags, products or a category with API Platform Filters: Evolving The Data Model (TriliumNext/Trilium, 38k stars), Hybrid Cloud Outboxes (getsentry/sentry, 45k stars), Iptvnator Sqlite DB Worker (4gray/iptvnator, 7.3k stars) and Replicate Video Ad (Jingyi-Wu-Richael/replicate-video-ad, 106 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains API Platform Filters?

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.