MCPInstall

symfony:doctrine-events

by dev-toolingsFrontend & Design

React to Doctrine entity lifecycle in Symfony with attribute listeners ([AsDoctrineListener]/[AsEntityListener], ORM 3) and lifecycle callbacks

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147
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/dev-toolings/superpowers-symfony --skill symfony:doctrine-events
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads symfony:doctrine-events automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Doctrine Events (Symfony)

Use when

  • You need side effects on entity persistence (timestamps, slugs, search indexing, notifications).
  • Migrating an EventSubscriberInterface Doctrine subscriber to ORM 3.
  • Choosing between lifecycle callbacks, entity listeners, and global lifecycle listeners.

Default workflow

  1. Pick the narrowest mechanism: callback (one entity, no deps) → entity listener (one entity, needs services) → lifecycle listener (cross-cutting, all entities).
  2. Wire it with attributes (#[ORM\HasLifecycleCallbacks], #[AsEntityListener], #[AsDoctrineListener]).
  3. Type the event argument by its per-event class (PostPersistEventArgs, PreUpdateEventArgs, …).
  4. Verify the side effect fires with a targeted functional test against a real DB.

Guardrails

  • ORM 3.0 removed EventSubscriberInterface Doctrine subscribers — never reintroduce them.
  • Type-check the entity early in a global lifecycle listener (it fires for every entity).
  • Never call flush() inside a Doctrine event handler — it corrupts the in-flight unit of work.
  • preUpdate is restricted: change fields only via $args->setNewValue(), never touch associations.

Progressive disclosure

  • Use this file for execution posture and risk controls.
  • Open reference.md for the three mechanisms, the event-args matrix, and migration from subscribers.

Output contract

  • Listener/callback class with the correct attribute.
  • Justification for the chosen mechanism.
  • Validation outcomes (test that the side effect fired).

References

  • reference.md
  • docs/complexity-tiers.md

FAQ

What does the symfony:doctrine-events skill do?

React to Doctrine entity lifecycle in Symfony with attribute listeners ([AsDoctrineListener]/[AsEntityListener], ORM 3) and lifecycle callbacks

How do I install symfony:doctrine-events?

Run npx skills add https://github.com/dev-toolings/superpowers-symfony --skill symfony:doctrine-events in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/symfony:doctrine-events/ (personal) or .claude/skills/symfony:doctrine-events/ (project).

Which AI agents can use symfony:doctrine-events?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is symfony:doctrine-events safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains symfony:doctrine-events?

It is published by dev-toolings in dev-toolings/superpowers-symfony. It has 147 recorded installs.

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