mistral-vibe 2.3.0 on Python PyPI

[2.3.0] - 2026-02-27

/resume command to choose which session to resume
Web search and web fetch tools for retrieving and searching web content
MCP sampling support: MCP servers can request LLM completions via the sampling protocol
MCP server discovery cache (MCPRegistry): survives agent switches without re-discovering unchanged servers
Chat mode for ACP (session/set_config_options with mode=chat)
ACP session/set_config_options support for switching mode and model
Tool call streaming: tool call arguments are now streamed incrementally in the UI
Notification indicator in CLI: terminal bell and window title change on action required or completion
Subagent traces saved in agents/ subfolder of parent session directory
IDE detection in new_session telemetry
Discover agents, tools, and skills in subfolders of trusted directories (monorepo support)
E2E test infrastructure for CLI TUI

System prompts rewritten for improved model behavior (3-phase Orient/Plan/Execute workflow, brevity rules)
Tool call display refactored with ToolCallDisplay/ToolResultDisplay models and per-tool UI customization
Middleware pipeline replaces observer pattern for system message injections
Improved permission handling for write_file, read_file, search_replace (allowlist/denylist globs, out-of-cwd detection)
Proxy setup UI updated with guided bottom-panel wizard
Smoother color transitions in CLI loader animation
Dead tool state classes removed (Grep, ReadFile, WriteFile state)

Agent switch (Shift+Tab) no longer freezes the UI (moved to thread worker)
Empty assistant messages are no longer displayed
Tool results returned to LLM in correct order matching tool calls
Auto-scroll suspended when user has scrolled up; resumes at bottom
Retry and timeout handling in Mistral backend (backoff strategy, configurable timeout)