Is @mcp-b/webmcp-polyfill safe to use?

@mcp-b/webmcp-polyfill has no known vulnerabilities on the latest version (4.0.0). DepScope rates its health at 69/100 (moderate risk).

What is the latest version of @mcp-b/webmcp-polyfill?

The latest version of @mcp-b/webmcp-polyfill is 4.0.0, released 2026-07-02.

Does @mcp-b/webmcp-polyfill have known vulnerabilities?

No known vulnerabilities on the latest version of @mcp-b/webmcp-polyfill.

Is @mcp-b/webmcp-polyfill deprecated?

No, @mcp-b/webmcp-polyfill is actively maintained. Latest release: 4.0.0 (2026-07-02).

What are alternatives to @mcp-b/webmcp-polyfill?

Popular alternatives to @mcp-b/webmcp-polyfill in npm include: ?, semver, debug, ansi-styles, brace-expansion.

What license does @mcp-b/webmcp-polyfill use?

@mcp-b/webmcp-polyfill is licensed under MIT.

@mcp-b/webmcp-polyfill

npmv4.0.0

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

License MITpermissive38 versions1 maintainers3 deps35,400 weekly dl

WebMCP-org/npm-packages

/ 100

Health

use with caution

@mcp-b/[email protected] low health (69/100) — consider alternatives

Moderate health score (69/100) — verify manually

Health breakdown0 – 100

20/25

maintenance

10/20

popularity

25/25

security

12/15

maturity

2/15

community

Vulnerabilities

none known

Bundle & TypeScript

🌟

TypeScript

10/10typed

bundled

Health History

Dependency Tree

License Audit

Dependencies (3)

@mcp-b/webmcp-types @cfworker/json-schema @standard-schema/spec

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/@mcp-b/webmcp-polyfill