api-platform-serialization SKILL.md skillA
api-platform-serialization from dev-toolings/superpowers-symfony is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add dev-toolings/superpowers-symfony/api-platform-serialization@git:20261005.7b53095Pins git:20261005.7b53095 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- dev-toolings/superpowers-symfony
- Path
content/skills/api-platform-serialization/SKILL.md- Versions recorded
- 3
- Latest version
- git:20261005.7b53095, committed Oct 5, 2026
- First version recorded
- Sep 17, 2026
- Size
- 2,077 bytes
- Repository stars
- 227
- License
- MIT
Control API Platform serialization with groups, #[Context], IRI links (readableLink/writableLink), and custom context builders.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Api Platform Serialization (Symfony) ## Use when - Operations must expose different fields (list, read, create, update). - A related resource must render as an IRI or be embedded. - A response needs computed or role-dependent fields. - A property needs normalizer options such as a date format. ## Default workflow 1. Name groups `entity:operation` and set `normalizationContext` and `denormalizationContext` per operation. 2. Tag properties with `#[Groups]` from the Serializer `Attribute` namespace, not the old `Annotation` one. 3. Control relations with `#[ApiProperty(readableLink: false, writableLink: false)]` to force IRIs. 4. Apply per-property options with `#[Context]` instead of writing a normalizer. 5. Add computed fields in a custom normalizer, and dynamic groups in a decorator of `api_platform.serializer.context_builder`. 6. Prevent cycles with `#[MaxDepth]` and `enable_max_depth`, and hide secrets with `#[Ignore]`. ## Guardrails - Use separate read and write groups: for example `password` only in the create group, `id` only in read groups. - A related resource is embedded only when it shares a group with the parent; otherwise it renders as an IRI. …
Read the whole file at its exact version.
How to install
mdr add dev-toolings/superpowers-symfony/api-platform-serialization@sha256:4ab229199dca6b33The line at the top of this page pins the label git:20261005.7b53095, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_utlottu63yxcnzwq)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Sep 17, 2026 and Oct 5, 2026, about one every 9 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261005.7b53095 latest | 2026-10-05 | 7b53095 | 2,077 B | A | view · diff |
| git:20261005.042befb | 2026-10-05 | 042befb | 1,342 B | A | view · diff |
| git:20260917.3d83f4c | 2026-09-17 | 3d83f4c | 1,371 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2077 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
dev-toolings/superpowers-symfony · 227 stars · license MIT · pushed 2026-10-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_utlottu63yxcnzwq GET https://markdownregistry.com/api/v1/resolve?ref=dev-toolings/superpowers-symfony/api-platform-serialization GET https://markdownregistry.com/api/v1/blob/4ab229199dca6b33d81b3f1aa36c129b04e61c8bc14386c1080541a04bc82277
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Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.