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Package

@mcp-b/webmcp-polyfill

Strict WebMCP core runtime polyfill for document.modelContext (with deprecated navigator.modelContext alias)

v5.1.0, 31 Aug 2026MITESM onlyTypes: BundledPolyfills and shims

$ npm install @mcp-b/webmcp-polyfill

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 88.8k; - over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 2; Direct, from package.json
Last release: 24 days ago; v5.1.0
GitHub stars: 99; 21 forks
Open issues / PRs: 13 / 18
Contributors: -
Commits, last 52 weeks: 591

Downloads

No weekly download data in the snapshot.

88,844 downloads last week, 294,203 in the last month. No 52-week series has been fetched yet.

Maintenance

Releases, last 12 months: -
Latest version: 5.1.0, 31 Aug 202624 days ago
First published: -
Last push to GitHub: 23 Sept 20261 day before the snapshot
Repository archived: No
Open issues: 13
Open pull requests: 18
Commits, last 52 weeks: 591
Dependents on npm: 17

Major versions

-

Recent releases

-

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=20
Runtimes: -
Unpacked size (npm): 187 kB
Dependencies (2): @mcp-b/webmcp-types@standard-schema/spec

Install

npm install @mcp-b/webmcp-polyfill

CDN

jsDelivr: 257.2k requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/@mcp-b/webmcp-polyfill@5.1.0/
unpkghttps://unpkg.com/@mcp-b/webmcp-polyfill@5.1.0/
esm.shhttps://esm.sh/@mcp-b/webmcp-polyfill@5.1.0

Sources: npm registry, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.