ui_builder_validate
shallowio.github.yschimke/compose-preview · Verify this server
Check a design without saving it: a whole `document`, a stored design by `designId`, or `operations` against a stored design exactly as ui_builder_apply would apply them. Runs the same checks the real call does — document shape, catalog pin, the catalog's own validation, the mutation reducer — and then the Compose export gate, which is the list the editor's problems panel shows. Returns `{valid, problems:[{severity, source, code, message, nodeId?, field?, operationIndex?}]}`; `valid` is false exactly when a problem is an error. Nothing is written, no revision moves and nobody watching the design is notified. The shapes are published as the resources compose-preview://schemas/ui-builder-document-v1.json and compose-preview://schemas/design-mutation-v1.json.
1 trials · measured 1 day ago
ui_builder_validate scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.github.yschimke/compose-preview, measured 6 Oct 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- open
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-10-06 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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[](https://vouch.tools/tools/5961940b-5df4-4e20-ba15-20a5dc830419)