Claude Code 2.1.287

Claude Code 2.1.287, released October 1, 2026, introduced Mods — plugins whose JavaScript or TypeScript functions run inside Claude Code and can alter behavior on events such as a tool call. A worked …

Anthropic turned on Mods by default in Claude Code 2.1.287, released October 1, 2026, letting plugin code run inside every session and change prompts, tool calls and permission decisions. Anthropic's …

Claude Code 2.1.287, published to npm on October 1, 2026, adds Mods, a plugin type whose JavaScript or TypeScript functions run inside Claude Code on events such as tool calls, submitted prompts and m…