# @nestjs/core NPM Package Module and Type Entrypoints Inspector

> @nestjs/core NPM Package Module and Type Entrypoints Inspector is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns module and type entrypoints metadata for the @nestjs/core npm package to support integration and upgrade planning.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-npm-nestjs-core-entrypoints?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nestjs-core-npm-package-module-and-type-entrypoints-inspector-eab00213
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_zoC5tGaSqogsZ6QboJndP

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability nestjs-core-npm-package-module-and-type-entrypoints-inspector-eab00213 -d '<json body>'
```

Example prompt: Can you look up the module and type entrypoints for @nestjs/core version 10.3.0 from the npm registry so I can plan our upgrade?

## When to prefer this

Use this endpoint when you need precise registry-level metadata about @nestjs/core module and type entrypoints, particularly for integration planning, upgrade preparation, or debugging TypeScript import issues. Prefer this over manually inspecting package.json files when you need a structured, programmatic lookup.

## Known failure modes

- Package version not found in registry — returns error if the specified version does not exist
- Invalid package name — returns error if a non-existent or malformed package name is provided
- Registry unavailable — returns error if the npm registry is unreachable
- Rate limiting — repeated calls may be throttled

## How this service works

@nestjs/core Module and type entrypoints: Module and type entrypoints for npm package @nestjs/core. Inspect registry metadata for integration and upgrade planning. Package and version can be overridden.

## Output

Returns structured metadata about the module and type entrypoints declared in the @nestjs/core npm package, including fields like 'main', 'module', 'exports', and 'types'/'typings' as registered in the npm registry for the specified version.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "package": {
   "type": "string",
   "default": "@nestjs/core",
   "maxLength": 150
  },
  "version": {
   "type": "string",
   "maxLength": 100
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nestjs-core-npm-package-module-and-type-entrypoints-inspector-eab00213/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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