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symfony-messenger skillA

Name: symfony-messenger
Author: dev-toolings

symfony-messenger is agent-read markdown (skill) from dev-toolings/superpowers-symfony: Async message handling with Symfony Messenger; configure transports (RabbitMQ, Redis, Doctrine); implement handlers, middleware, and retry strategies.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# Symfony Messenger (Symfony)

## Use when
- Implementing asynchronous workflows with Messenger/Scheduler/Cache.
- Stabilizing retries and failure transports.

## Default workflow
1. Define async contract and delivery semantics.
2. Implement idempotent handlers and routing strategy.
3. Configure retries, failure transport, and observability.
4. Validate success/failure replay scenarios.

## Guardrails
- Assume at-least-once delivery, not exactly-once.
- Keep handlers deterministic and side-effect aware.
- Surface poison-message handling strategy.

## Progressive disclosure
- Use this file for execution posture and risk controls.
- Open references when deep implementation details are needed.

## Output contract
- Async config/handlers updated.
- Retry/failure policy decisions.
- Operational validation evidence.

## References
- `reference.md`
- `docs/complexity-tiers.md`

Read the whole file at its exact version.

How to install

Latest version

mdr add dev-toolings/superpowers-symfony/symfony-messenger@git:20260917.3d83f4c

Exact content

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Versions

version	committed	commit	size	audit
git:20260917.3d83f4c latest	2026-09-17	3d83f4c	1,264 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Deterministic, no model, same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (1264 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

dev-toolings/superpowers-symfony · 216 stars · license MIT · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_uhr6j63ligm3eiq3
GET https://markdownregistry.com/api/v1/resolve?ref=dev-toolings/superpowers-symfony/symfony-messenger
GET https://markdownregistry.com/api/v1/blob/edbeede38576b9bc8eb7d5c8543d982bfed7e81f79a8e8bc0fb9e9740b0c9ca6

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