flutter-implement-json-serialization
Implement JSON Serialization in Flutter
Manual JSON mapping can produce runtime type errors and duplicated parsing logic. This skill guides type-safe models, HTTP parsing, validation, and isolate usage.
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Review the Skillstore skill "flutter-implement-json-serialization" from https://skillstore.io/skills/flutter-flutter-implement-json-serialization.md and its manifest at https://skillstore.io/api/skills/flutter-flutter-implement-json-serialization/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
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Test it
Using "flutter-implement-json-serialization". Create a user model with integer identifier, name, and email fields.
Expected outcome:
- An immutable User model with required typed fields.
- Validated deserialization that rejects missing or incorrect values.
- Serialization and round-trip unit tests.
Using "flutter-implement-json-serialization". Parse a large users response without blocking the Flutter interface.
Expected outcome:
- A top-level parsing function suitable for a Flutter isolate.
- Status validation before decoding the response body.
- Typed user list conversion and malformed payload tests.
Security Audit
SafeAll 21 external-command detections are Markdown backticks around Dart identifiers or fenced Dart examples, not shell execution. Both URLs use the reserved example.com domain in sample requests. No prompt injection, exfiltration intent, or other semantic threat was found.
Risk Factors
⚙️ External commands (21)
🌐 Network access (2)
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APA citation
flutter. (2026). flutter-implement-json-serialization security audit report (audit version 1) [Author version unspecified]. Skillstore. https://skillstore.io/skills/flutter-flutter-implement-json-serialization/audits/1BibTeX citation
@techreport{flutter-flutter-flutter-implement-json-serialization-2026,
author = {flutter},
title = {flutter-implement-json-serialization security audit report (audit version 1)},
institution = {Skillstore},
year = {2026},
number = {1},
url = {https://skillstore.io/skills/flutter-flutter-implement-json-serialization/audits/1},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "flutter-implement-json-serialization security audit report (audit version 1)"
version: "unspecified"
type: report
authors:
- name: "flutter"
date-released: "2026-09-08"
url: "https://skillstore.io/skills/flutter-flutter-implement-json-serialization/audits/1"
identifiers:
- type: other
value: "skillstore:flutter-flutter-implement-json-serialization:audit:1"
description: "Skillstore immutable audit report identifier"
Skillstore Score
Why this score Evidence Confidence: MediumWhat You Can Build
Build a First Flutter API Model
Create a small immutable model with validated deserialization and predictable serialization.
Integrate Typed HTTP Responses
Convert successful HTTP response bodies into application models while rejecting invalid status codes.
Optimize Large Payload Parsing
Move expensive list decoding into a Flutter isolate to protect interface responsiveness.
Try These Prompts
Create a Dart model for [fields]. Add a const constructor, fromJson factory, toJson method, and focused unit tests.
Implement manual serialization for [model]. Validate required types and throw FormatException when the input shape is invalid.
Integrate [model] parsing into an injected Dart http client. Check response status, decode safely, and preserve testability.
Design manual parsing for [payload]. Include nested models, nullable fields, isolate parsing with compute, malformed input tests, and serialization round trips.
Best Practices
- Validate decoded values before constructing models.
- Inject HTTP clients so response handling remains testable.
- Use compute only when measured parsing work can block a frame.
Avoid
- Do not trust dynamic decoded values without type checks.
- Do not return null for unrelated network and parsing failures.
- Do not move small payload parsing to an isolate without measurement.