You can access the MCP Manifest Linter (package.json) programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "searchKeywords": [
12        "source-backed signal",
13        "buyer fit"
14    ],
15    "taskIntent": "buyer-ready-product-run",
16    "sourceMode": "startUrls",
17    "outputMode": "buyer-ready-records",
18    "startUrls": [
19        {
20            "url": "https://raw.githubusercontent.com/modelcontextprotocol/servers/refs/heads/main/src/everything/package.json"
21        }
22    ],
23    "requestTimeoutSecs": 30,
24    "maxRequestRetries": 2,
25    "sinceLastRun": false,
26    "deltaMode": true
27};
28
29// Run the Actor and wait for it to finish
30const run = await client.actor("zentrafoundry/mcp-connector-policy-linter-v2").call(input);
31
32// Fetch and print Actor results from the run's dataset (if any)
33console.log('Results from dataset');
34console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
35const { items } = await client.dataset(run.defaultDatasetId).listItems();
36items.forEach((item) => {
37    console.dir(item);
38});
39
40// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

MCP package.json lint — not a policy engine API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use MCP Manifest Linter (package.json) API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

MCP Manifest Linter (package.json) API in Python

MCP Manifest Linter (package.json) API through CLI

MCP Manifest Linter (package.json) OpenAPI definition

MCP Manifest Linter (package.json) API

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theguide/openapi-to-mcp-converter

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q_services/financial-transaction-policy-mcp

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Q Services

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bovi/npm-registry-scraper

Scrape npm package metadata, versions, download stats, and search results via the official npm Registry JSON API. No proxy, no auth. Batch lookup by package name or keyword search. Pay per result.

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MCP Tool Trust, Permission & Schema Drift Intelligence

quanmatrix/mcp-tool-trust-permission-schema-drift-intelligence

Use this Actor to monitor mcp tool trust, permission and schema drift changes and return decision-ready change signals. Compare MCP tool snapshots for permission expansion, schema drift and poisoning signals, then emit trust scores and ALLOW, REVIEW or BLOCK actions.