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fittings Package Manifest Normalizer
x402
fittings Package Manifest Normalizer is a paid API for AI agents from fittings.sh, paid per call via x402, $0.004126/call, status unknown (last checked 2026-09-14).
Normalizes a package.json the way npm does at publish time, reporting all field transformations, warnings, and blocking errors.
Price / call$0.004126
Success—
StatusUnknown
How this service works
Normalizes a package.json the way npm does at publish time (repository shorthand, author strings, license and bin fields) and reports every change, warning and blocking error.
Output
Returns the normalized form of the package.json as npm would produce it at publish time, along with a structured list of every field that was changed (showing before and after values), any warnings about non-blocking issues, and any blocking errors that would prevent publishing.
Example use cases
Pre-publish package.json validation
“Before I publish my npm package, can you run my package.json through npm-style normalization and flag any blocking errors or warnings? Here's the full manifest content.”
Repository shorthand expansion check
“I'm using a GitHub shorthand in my package.json repository field — can you normalize the manifest and show me how npm will expand it at publish time, along with any other changes it would make?”
CI pipeline manifest lint step
“As part of our release pipeline, can you validate this package.json against npm's publish-time normalization rules and return a list of every change, warning, and error so we can fail the build if there are blockers?”
Technical details
Endpoint
POSThttps://fittings.sh/v1/pkg/normalize-manifestWhen to prefer
Choose this endpoint when you need to know exactly how npm will transform a package.json at publish time — including repository shorthand expansion, author string normalization, license field normalization, and bin field restructuring — and want a machine-readable report of all changes, warnings, and blocking errors. Prefer this over generic JSON validators when npm-specific semantics matter.
Side effects
- Manifest exceeds 64KB limit — request rejected
- Malformed JSON input that cannot be parsed
- Missing required fields like 'name' or 'version' reported as blocking errors
- Network timeout on the fittings.sh endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| manifest | object | package.json as an object or as JSON text, at most 64KB |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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