diff --git a/services/npms-io/npms-io-score.service.js b/services/npms-io/npms-io-score.service.js
new file mode 100644
index 0000000000..79adf48816
--- /dev/null
+++ b/services/npms-io/npms-io-score.service.js
@@ -0,0 +1,85 @@
+'use strict'
+
+const Joi = require('joi')
+const { BaseJsonService } = require('..')
+const { coveragePercentage } = require('../color-formatters')
+
+// https://api-docs.npms.io/#api-Package-GetPackageInfo
+const numberSchema = Joi.number().min(0).max(1).required()
+const responseSchema = Joi.object({
+  score: Joi.object({
+    final: numberSchema,
+    detail: Joi.object({
+      maintenance: numberSchema,
+      popularity: numberSchema,
+      quality: numberSchema,
+    }),
+  }),
+}).required()
+
+const keywords = ['node', 'npm score']
+
+module.exports = class NpmsIOScore extends BaseJsonService {
+  static category = 'analysis'
+
+  static route = {
+    base: 'npms-io',
+    pattern:
+      ':type(final|maintenance|popularity|quality)-score/:scope(@.+)?/:packageName',
+  }
+
+  static examples = [
+    {
+      title: 'npms.io (final)',
+      namedParams: { type: 'final', packageName: 'egg' },
+      staticPreview: this.render({ score: 0.9711 }),
+      keywords,
+    },
+    {
+      title: 'npms.io (popularity)',
+      pattern: ':type/:scope/:packageName',
+      namedParams: { type: 'popularity', scope: '@vue', packageName: 'cli' },
+      staticPreview: this.render({ type: 'popularity', score: 0.89 }),
+      keywords,
+    },
+    {
+      title: 'npms.io (quality)',
+      namedParams: { type: 'quality', packageName: 'egg' },
+      staticPreview: this.render({ type: 'quality', score: 0.98 }),
+      keywords,
+    },
+    {
+      title: 'npms.io (maintenance)',
+      namedParams: { type: 'maintenance', packageName: 'command' },
+      staticPreview: this.render({ type: 'maintenance', score: 0.222 }),
+      keywords,
+    },
+  ]
+
+  static defaultBadgeData = {
+    label: 'score',
+  }
+
+  static render({ type, score }) {
+    return {
+      label: type === 'final' ? 'score' : type,
+      message: `${(score * 100).toFixed(0)}%`,
+      color: coveragePercentage(score * 100),
+    }
+  }
+
+  async handle({ type, scope, packageName }) {
+    const slug = scope ? `${scope}/${packageName}` : packageName
+    const url = `https://api.npms.io/v2/package/${encodeURIComponent(slug)}`
+
+    const json = await this._requestJson({
+      schema: responseSchema,
+      url,
+      errorMessages: { 404: 'package not found or too new' },
+    })
+
+    const score = type === 'final' ? json.score.final : json.score.detail[type]
+
+    return this.constructor.render({ type, score })
+  }
+}
diff --git a/services/npms-io/npms-io-score.tester.js b/services/npms-io/npms-io-score.tester.js
new file mode 100644
index 0000000000..1c1769ed21
--- /dev/null
+++ b/services/npms-io/npms-io-score.tester.js
@@ -0,0 +1,62 @@
+'use strict'
+
+const { isPercentage } = require('../test-validators')
+const t = (module.exports = require('../tester').createServiceTester())
+
+t.create('should show final score').get('/final-score/vue.json').expectBadge({
+  label: 'score',
+  message: isPercentage,
+})
+
+t.create('should show color')
+  .get('/final-score/mock-for-package-score.json')
+  .intercept(nock => {
+    nock.enableNetConnect()
+
+    return nock('https://api.npms.io', { allowUnmocked: true })
+      .get(`/v2/package/mock-for-package-score`)
+      .reply(200, {
+        score: {
+          final: 0.89,
+        },
+      })
+  })
+  .expectBadge({
+    label: 'score',
+    message: isPercentage,
+    color: 'yellowgreen',
+  })
+
+t.create('should show final score with scope')
+  .get('/final-score/@vue/cli.json')
+  .expectBadge({
+    label: 'score',
+    message: isPercentage,
+  })
+
+t.create('should show maintenance')
+  .get('/maintenance-score/vue.json')
+  .expectBadge({
+    label: 'maintenance',
+    message: isPercentage,
+  })
+
+t.create('should show popularity')
+  .get('/popularity-score/vue.json')
+  .expectBadge({
+    label: 'popularity',
+    message: isPercentage,
+  })
+
+t.create('should show quality').get('/quality-score/vue.json').expectBadge({
+  label: 'quality',
+  message: isPercentage,
+})
+
+t.create('unknown package')
+  .get('/final-score/npm-api-does-not-have-this-package.json')
+  .expectBadge({
+    label: 'score',
+    message: 'package not found or too new',
+    color: 'red',
+  })