Claude Code cannot communicate with the Chrome Extension. The MCP connection succeeds, but no tool invocation works, because there is a crash related to the chrome native host running on bun. Environment: - Windows 11 - Claude Code version 2.1.31 The crash message: "Internal assertion failure" in Bun when running --chrome-native-host Bun crash report: https://bun.report/1.3.5/e_11e86cebEugggC++08F+mvBoxhkf0389e__0shkwCA0eNrzzCtJLcpLzFFILC5OLSrJzM9TSEvMzCktSgUAiSkKPg

Claude Code cannot connect to Chrome Extension - bun crash

Status Fixed / completed

Reported on v2.1.31

Maintainer reply None cached

Activity 3 comments · opened Feb 4, 2026 · closed Feb 4, 2026

Claude Code cannot communicate with the Chrome Extension. The MCP connection succeeds, but no tool invocation works, because there is a crash related to the chrome native host running on bun.

Environment:

Windows 11
Claude Code version 2.1.31

The crash message: "Internal assertion failure" in Bun when running --chrome-native-host
Bun crash report: https://bun.report/1.3.5/e_11e86cebEugggC++08F+mvBoxhkf0389e__0shkwCA0eNrzzCtJLcpLzFFILC5OLSrJzM9TSEvMzCktSgUAiSkKPg

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Claude Code cannot connect to Chrome Extension - bun crash

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