Webmcp Polyfill

Free

by MCP Community

Strict WebMCP core runtime polyfill for navigator.modelContext

v2.2.0Added Apr 12, 2026

webmcpmodel-contextnavigator-modelcontextpolyfillbrowser

Works with:ClaudeGPTGeminiCopilot

Webmcp Polyfill MCP Server

Strict WebMCP core runtime polyfill for navigator.modelContext

Quick install

npx -y @mcp-b/webmcp-polyfill

Add to claude_desktop_config.json

{
  "mcpServers": {
    "webmcp-polyfill": {
      "command": "npx",
      "args": ["-y", "@mcp-b/webmcp-polyfill"]
    }
  }
}

Authentication

Not declared

Server class

Community

Compliance

None declared

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