Unverified50% confidenceFactExact time
Enabling WebMCP in Firefox requires setting both the dom.modelcontext.enabled and dom.modelcontext.testing.enabled preferences.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
UnverifiedFirefox uses an independent extension API system based on the WebExtensions standard, which differs from Chrome's Manifest V3.66% similarUnverifiedLoading a browser MCP extension in Firefox requires entering about:debugging#/runtime/this-firefox in the address bar, selecting "Load Temporary Add-on," and choosing the manifest.json file.65% similarVerifiedWebMCP (Web Model Context Protocol) is a next-generation Web standard proposed to address the pain points of AI agents operating web pages.62% similarUnverified开发浏览器插件时应选择 Build Web App 模式，因为插件本质是跑在网页里的代码61% similarUnverifiedA cross-environment compatible WebGPU library can run the same WebGPU code in both browser and headless Node.js environments.61% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1053900API
curl https://kongchang.com/api/v1/knowledge/claims/1053900MCP
get_claim(id=1053900)