●Change8

Gemini CLI mcp

Component

Updates related to the mcp component of Gemini CLI.

58 releases783 features768 bug fixesView all Gemini CLI releases

All MCP Features

All MCP Bug Fixes

Releases with MCP Changes

v0.40.0-nightly.20260415.g06e7621b22 features2 fixes
Apr 15, 2026

This release introduces new capabilities for plan mode prompts and improves CLI interaction by enabling mouse clicking for cursor positioning in multi-line answers. Key fixes include improved handling of OpenSSL 3.x streaming errors and better terminal color detection.

v0.38.017 features21 fixes
Apr 14, 2026

This release introduces several new features, including enabling 'TerminalBuffer' mode to reduce flicker, adding support for default environment variable values, and implementing a background memory service for skill extraction. Numerous bug fixes address stability issues across the CLI and core, particularly around sandbox reliability on Linux and Windows, and improved chat history recording. Users will also benefit from UI refinements like compact tool output being enabled by default and better handling of input prompts.

v0.39.0-preview.013 features20 fixes
Apr 14, 2026

This release introduces significant stability and capability enhancements, including a new /memory inbox command for skill review and required user confirmation for Plan Mode skill activation. Numerous bug fixes address critical issues related to sandbox cleanup, session resumption, and memory leaks across core components. Users will also benefit from improved CLI usability, such as word deletion support in Windows Terminal and refined tool output formatting.

v0.39.0-nightly.20260414.gdaf5006235 features6 fixes
Apr 14, 2026

This release introduces significant architectural updates, including a decoupled ContextManager and Sidecar, and new capabilities like skill patching integration. Several critical bugs were resolved, such as fixing an infinite render loop and improving UTF-8 file handling. Users will also notice that model responses now fully display thoughts and text without suppression.

v0.39.0-nightly.20260411.0957f7d3e2 features9 fixes
Apr 11, 2026

This release introduces new guidance for Strategic Re-evaluation in the system prompt and ensures subagent IDs are persisted in tool call records. Numerous bug fixes address critical issues like memory leaks, OOM errors on large outputs, and data corruption during text sanitization. Performance is also improved, particularly on Windows sandbox initialization.

v0.39.0-nightly.20260408.a394617187 features10 fixes
Apr 8, 2026

This release introduces several new features, including the "/help" command, experimental Agent Protocol UI types, and memory management commands like "/memory inbox". Several critical bugs were fixed, such as issues with hook propagation, Windows skill linking, and memory leaks in the scheduler. Additionally, user experience improvements include better sandbox error handling and a switch in the default command shortcut from Ctrl+X to Ctrl+G.

v0.37.011 features22 fixes
Apr 8, 2026

This release introduces significant new capabilities, including experiment-gated support for gemini flash 3.1 lite and new skills for code duplication checking and automated failure replication. Numerous bug fixes stabilize the CLI experience, particularly around browser agent security, TTY handling in headless environments, and improved error reporting for agent loading.

v0.38.0-preview.018 features23 fixes
Apr 8, 2026

This release introduces several new features focused on enhancing agent capabilities, including context-aware policy approvals and a background memory service for skill extraction. Numerous bug fixes address stability issues across the CLI and core, particularly around sandbox reliability on Linux and Windows. Users will also benefit from UI improvements like the new 'TerminalBuffer' mode to reduce flicker and compact tool output being enabled by default.

v0.36.0-nightly.20260402.13ccc164512 features22 fixes
Apr 2, 2026

This release introduces significant new features, including a behavioral-evals skill, support for multi-turn interactive evals, and a refreshed UX for the Composer layout. Numerous bug fixes address stability, including resolving terminal escape sequence leaks and improving sandbox path resolution in Plan Mode. Performance has also been boosted by parallelizing startup cleanup tasks and backgrounding the IDE client.

v0.36.018 features17 fixes
Apr 1, 2026

This release introduces significant architectural updates, including multi-registry support and tool filtering for subagents, alongside an experimental memory manager agent. Key fixes address issues with context handling, session logging, and UI rendering, while new features enhance plan mode usability and macOS sandboxing security.

v0.37.0-preview.010 features18 fixes
Apr 1, 2026

This release introduces several new capabilities, including experiment-gated support for Gemini Flash 3.1 Lite and a new skill for detecting duplicated code during PR reviews. Key fixes stabilize the browser agent's domain restrictions and resolve various CLI issues like flickering in copy mode and TTY hangs in headless environments. Additionally, the sandbox manager sees improvements with OS-specific path handling and dynamic expansion on Windows and Linux.

v0.35.014 features17 fixes
Mar 24, 2026

This release introduces significant new customization options, including user-configurable keyboard shortcuts and support for custom base URLs. Several Vim editing features have been added to the UI, alongside core stability fixes like improved API error retries and better process cleanup. Users will also notice better visibility into tool execution status with pending tool calls now being displayed.

v0.36.0-preview.018 features18 fixes
Mar 24, 2026

This release introduces significant architectural updates, including multi-registry support and enhanced subagent capabilities like local execution and memory injection. Key fixes address issues with path expansion, session handling, and UI rendering stability across various terminal sizes. Users will benefit from improved context awareness, better sandboxing on macOS, and new features like plan mode support in non-interactive sessions.

v0.36.0-nightly.20260321.fc03891a119 features13 fixes
Mar 21, 2026

This release introduces significant enhancements to agent execution, including local execution and tool isolation for subagents, alongside native sandboxing support for both macOS and Windows. Key fixes address issues with subagent state persistence and UI rendering, while new features enable plan mode in non-interactive sessions and add Git worktree support for parallel development.

v0.36.0-nightly.20260318.e2658ccda12 features18 fixes
Mar 18, 2026

This release introduces major new capabilities, including the full enablement of subagents and the default activation of JIT context loading. Security and reliability have been enhanced with cryptographic integrity verification for extensions and sandboxing for process-spawning tools. Numerous bug fixes address issues related to configuration saving, terminal input handling, and JIT context operations.

v0.34.017 features20 fixes
Mar 17, 2026

This release introduces significant new capabilities, including experimental LXC and native gVisor sandboxing support, and new CLI features like chat resume and custom footers. Numerous bug fixes address stability, particularly around OAuth handling, model persistence, and UI rendering issues.

v0.35.0-preview.114 features19 fixes
Mar 17, 2026

This release introduces significant enhancements to user customization, including customizable keyboard shortcuts and support for new Vim motions and keybindings in the CLI. Several core stability fixes address issues related to process handling, API error retries, and Windows compatibility. Users will also benefit from improved telemetry and better handling of tool calls and session resumes.

v0.35.0-nightly.20260313.bb060d7a917 features18 fixes
Mar 13, 2026

This release introduces significant new capabilities, including OAuth2 Authorization Code support for A2A agents and customizable keyboard shortcuts. Key fixes address stability issues like preventing prompt jumping and race conditions during retries. Users will also benefit from new Vim mode motions and improved reporting of per-model token usage in stream-json output.

v0.33.016 features16 fixes
Mar 11, 2026

This release introduces several new capabilities, including the addition of the github-issue-creator skill and support for HTTP authentication for A2A remote agents. Several critical bugs were fixed, such as resolving race conditions in ACP/Zed and reducing false positives in LLM loop detection. Users will also benefit from UX improvements like a redesigned compact header and better context display for the context window usage.

v0.34.0-preview.015 features18 fixes
Mar 11, 2026

This release introduces significant new capabilities, including experimental LXC and native gVisor sandboxing support, along with new CLI features like chat session resumption and custom footer configuration. Numerous bug fixes address stability, including increased agent timeouts and preventing hangs during OAuth in non-interactive sessions. Users will also benefit from improved UI styling and better filename prioritization in autocompletion.

v0.34.0-nightly.20260310.4653b126f14 features13 fixes
Mar 10, 2026

This release introduces several new CLI features, including enabling Plan Mode by default, adding the /upgrade command, and unifying the /chat and /resume UX. Numerous bug fixes address stability issues related to memory usage, environment variables, and path resolution across platforms. Performance has also been improved through increased caching of API key and settings loads.

v0.34.0-nightly.20260307.6c3a906456 features9 fixes
Mar 7, 2026

This release introduces several core enhancements, including a unified KeychainService for token storage and a generic CacheService to optimize user setup. Several bugs related to task tracking, chat compression, and file handling on case-insensitive filesystems have been resolved. Users will also benefit from dynamically generated keybinding hints and improved accessibility support in the RewindViewer.

v0.30.0-nightly.20260226.f9f916e1d18 features11 fixes
Feb 26, 2026

This release introduces significant new capabilities, including the foundation for a task tracker, support for RuntimeHook functions, and the ability to steer models within the workspace. Several fixes address critical issues like unsafe type assertions and dependency vulnerabilities. Users will also benefit from parallel extension loading and improved Plan Mode features like automatic model switching.

v0.30.020 features16 fixes
Feb 25, 2026

This release introduces significant enhancements to Plan Mode, including a formalized 5-phase workflow and the ability to enable skills within plans. Users will benefit from new UI controls like text wrapping in markdown tables and the option to hide the shortcuts hint. Numerous bug fixes address stability issues related to policy persistence, MCP discovery, and UI rendering flicker.

v0.31.0-preview.014 features15 fixes
Feb 25, 2026

This release introduces several new features, including support for macOS run-event notifications, experimental steering hints, and project-level policy implementation. Key fixes address issues with tool confirmation timeouts, incorrect handling of unknown slash commands, and improved stability in plan mode fallback scenarios. Users will also benefit from enhanced editing capabilities via improved ranged reads and fuzzy editing.

v0.30.0-nightly.20260224.544df749a8 features14 fixes
Feb 24, 2026

This release introduces significant enhancements to policy handling, including support for Gemini 3.1 policy chains and MCP Server Wildcards. Users will benefit from an experimental direct web fetch capability and improved stability, as several critical bugs related to model persistence, non-interactive mode failures, and Windows compatibility have been resolved. Additionally, retry configuration is now user-adjustable via a new setting.

v0.30.0-nightly.20260223.c537fd5ae14 features22 fixes
Feb 23, 2026

This release introduces several new features, including experimental in-progress steering hints and support for macOS run-event notifications. Numerous bug fixes address issues with UI rendering, tool handling, and configuration stability. Key improvements include centralizing compatibility checks and migrating core rendering to use xterm.js.

v0.30.0-nightly.20260218.ce84b3cb521 features15 fixes
Feb 18, 2026

This release introduces significant new capabilities, including initial SDK support with custom skills and dynamic system instructions, alongside new command structure management via the model subcommand. Numerous bug fixes address UI flickering, platform-specific issues like Windows escaping, and improved tool validation, resulting in a more stable and feature-rich experience.

v0.29.018 features17 fixes
Feb 18, 2026

This release introduces significant enhancements to planning capabilities, including the new /plan slash command, support for editing plans with the `replace` tool, and better integration of planning artifacts into workflows. Several critical bugs were fixed, such as resolving agents getting stuck in interactive commands and improving connection stability with retry logic for SSL/TLS errors. Additionally, new features include Vim motion support in the CLI and better management of tool outputs via observation masking and persistence.

v0.30.0-preview.020 features17 fixes
Feb 17, 2026

This release introduces significant enhancements to planning capabilities, including a formalized 5-phase workflow and new settings for managing memory and skills within Plan Mode. Users will benefit from new UI controls like text wrapping in markdown tables and the ability to hide shortcut hints. Several stability fixes address issues related to policy persistence, debug console closing, and rendering consistency.

v0.30.0-nightly.20260212.207ac6f2d4 features4 fixes
Feb 12, 2026

This release introduces new CLI capabilities, including Ctrl-Z suspension and a prototype clean UI toggle for a more minimal experience. Key fixes address character truncation in markdown mode and improve Plan Mode isolation and policy rule prioritization. Users will also benefit from refined system prompts for better agentic execution.

v0.30.0-nightly.20260212.099aa96215 features6 fixes
Feb 12, 2026

This release focuses heavily on enhancing Plan Mode by allowing skill enablement and validating policy overrides. Key updates include migrating internal models to Gemini 3 and deprecating older tool configuration flags in favor of the new policy engine. Several bugs related to selection mode exiting and environment variable population have also been resolved.

v0.30.0-nightly.20260211.f5dd1068f2 features2 fixes
Feb 11, 2026

This release introduces multi-line text answers for the ask-user tool and enables tool output masking by default for improved privacy. Performance has been boosted through optimized table rendering and better management of large debug logs. Several critical bugs related to debug console closing and MCP discovery have also been resolved.

v0.30.0-nightly.20260210.8257ec44721 features16 fixes
Feb 10, 2026

This release introduces significant enhancements to tool handling, including observation masking, session-linked storage, and remote configuration for masking thresholds. The core model has been updated with an overhauled system prompt for better rigor, and sub-agents now use XML format. Several stability fixes address issues in plan mode, Windows shell execution, and configuration initialization.

v0.28.014 features16 fixes
Feb 10, 2026

This release introduces several new capabilities, including the /prompt-suggest command and support for custom themes in extensions. Key fixes address issues with streaming hook warnings, credential exposure, and Vim mode usability. Users will also benefit from improved startup information display and updated undo/redo keybindings.

v0.29.0-preview.020 features16 fixes
Feb 10, 2026

This release introduces significant enhancements to planning capabilities, including the new /plan slash command, support for editing plans with the `replace` tool, and improved plan execution metrics. Key fixes address stability issues such as agents getting stuck, memory leaks in MCP transport, and improved handling of SSL/TLS errors. Additionally, the CLI now supports Vim motions and operators for better text interaction.

v0.29.0-nightly.20260206.4ffc349c18 features6 fixes
Feb 6, 2026

This release introduces significant enhancements to planning capabilities, including support for the `replace` tool and MCP server integration in plan mode. Key fixes address transient SSL/TLS errors and resolve an infinite loop when using external editors. Users will also benefit from new Vim motion support and improved input prompt autocomplete.

v0.29.0-nightly.20260205.a3af4a8ca21 features12 fixes
Feb 5, 2026

This release introduces significant planning capabilities, including the new `/plan` slash command and tools to enter and exit plan mode. Key updates also include automatic theme switching based on the terminal environment and enhanced security measures like requiring user consent for MCP server OAuth. Several bug fixes address regressions in navigation and improve stability across various modes.

v0.27.022 features13 fixes
Feb 4, 2026

This release introduces significant new capabilities, including the event-driven tool execution scheduler and the new code-reviewer skill. Several core improvements focus on stability, such as fixing issues with authentication failures and improving GitHub workstream rollup efficiency. Users will also benefit from the new /rewind command and enhanced planning features like configurable approval modes.

v0.28.0-preview.015 features16 fixes
Feb 4, 2026

This release introduces several new features, including the /prompt-suggest command, support for Positron IDE, and improved OAuth consent flows. Key fixes address issues with MIME type verification, session restoration, and Vim mode usability. Users will also benefit from UX refinements like updated keybindings and clearer settings visibility.

v0.27.0-nightly.20260127.00f60ef538 features5 fixes
Jan 27, 2026

This release introduces several new capabilities, including persistent plan file storage and support for multi-scheduler tool aggregation. Key fixes address issues with URI-encoded paths and prevent OOM errors when streaming grep output. Users will also benefit from new CLI options like quick clear shortcuts in vim mode and the ability to disable UI spinners globally.

v0.27.0-nightly.20260126.cb772a5b721 features21 fixes
Jan 26, 2026

This release introduces significant new capabilities, including the /rewind command, persistent planning settings, and improved agent discovery via the new `/agents config` command. Several critical bugs were addressed, such as fixing crashes on authentication failure and resolving connection issues within Docker/SSH environments. Users will also benefit from better handling of large text pastes and new image pasting support on Linux.

v0.27.0-nightly.20260122.61040d0eb13 features14 fixes
Jan 22, 2026

This release introduces significant new capabilities, including an event-driven tool execution scheduler and the new code-reviewer skill. Users will benefit from improved stability with fixes for keybinding conflicts and better handling of validation errors via a new interactive dialog. Several core systems, like hooks and the scheduler, are now enabled by default for a more streamlined experience.

v0.26.0-nightly.20260121.211d2c5fd10 features12 fixes
Jan 21, 2026

This release introduces several new capabilities, including an experiment gate for the event-driven scheduler and enhanced context compression for agents. Several critical bugs were resolved, such as fixing UI rendering order, resolving Windows crashes, and improving error reporting for agent delegation failures.

v0.25.015 features8 fixes
Jan 21, 2026

This release introduces significant enhancements to agent interaction and tooling, including filepath autosuggestion, the new /agents slash command, and native Sublime Text support. Key improvements focus on stabilizing Skills management, refining the Rewind functionality with file system reversion utilities, and enabling better isolation for testing via GEMINI_CLI_HOME. Several bugs related to CI stability and Yolo mode behavior have also been resolved.

v0.26.0-preview.013 features17 fixes
Jan 21, 2026

This release introduces significant new capabilities, including the 'skill-creator' skill, experimental 'plan' features, and enhanced agent steering to use expert subagents. Numerous bug fixes address issues related to token estimation, event handling, and automation stability. Users will also benefit from improved keybindings and the reintroduction of the --prompt flag.

v0.26.0-nightly.20260119.20580d75410 features12 fixes
Jan 19, 2026

This release introduces significant new capabilities, including an experimental 'plan' approval mode and the addition of the 'generalist' agent, while enabling Agent Skills by default. Numerous stability fixes address OOM crashes, PTY descriptor leaks, and automation loop issues. Performance has also been improved with optimizations for handling large text inputs.

v0.26.0-nightly.20260115.6cb3ae4e014 features14 fixes
Jan 15, 2026

This release introduces significant new capabilities, including the ability to install and uninstall skills directly via CLI commands and support for defining agents in settings.json. Key fixes address issues with command registration warnings, title setting inconsistencies, and improved shell command safety. Users will also benefit from new UI features like dynamic terminal tab titles and enhanced retry mechanisms.

v0.24.025 features11 fixes
Jan 14, 2026

This release introduces significant enhancements to Agent Skills, including infrastructure setup, autonomous activation tools, and system prompt awareness. Key new features also include experimental in-CLI extension management and support for remote agents. Several stability improvements were made, such as fixing crashes related to I/O errors and enhancing policy engine granularity for shell command execution.

v0.25.0-preview.015 features8 fixes
Jan 14, 2026

This release introduces significant new capabilities, including native Sublime Text support, filepath autosuggestion in the CLI, and the ability to export chat history directly into GitHub issues via the /bug command. Key improvements focus on skill management centralization, better model routing to subagents, and enhanced stability for CI workflows and terminal compatibility.

v0.25.0-nightly.20260112.15891721a14 features11 fixes
Jan 12, 2026

This release focuses heavily on enhancing Agent Skills management, introducing new CLI commands for skills, and centralizing their representation. Key functional additions include support for remote agents, granular control over agent hooks, and improved security policies. Numerous bug fixes address stability issues across platforms, particularly on Windows, related to pasting and file system operations.

v0.23.015 features10 fixes
Jan 7, 2026

This release introduces significant new capabilities, including support for the Gemini 3 Flash model and the introduction of remote agent infrastructure. Key fixes address issues with command suggestion display and prevent infinite loops during prompt completion and relaunch attempts. Users will also benefit from new features like Windows clipboard image support and improved hook management.

v0.24.0-preview.025 features11 fixes
Jan 7, 2026

This release introduces significant enhancements to Agent Skills, including infrastructure setup, autonomous activation tools, and system prompt awareness. New features also include experimental in-CLI extension management and support for remote agents. Several stability improvements were made, such as fixing crashes related to I/O errors and enhancing policy engine granularity for shell command allowlisting.

v0.24.0-nightly.20260103.30f5c4af44 features4 fixes
Jan 3, 2026

This release significantly enhances Agent Skills by introducing autonomous activation, context injection, and system prompt awareness. Users will also benefit from new folder suggestions when adding directories via the /dir add command. Several core stability issues, including promise rejections and shell command handling, have also been resolved.

v0.21.0-nightly.20251226.546baf99310 features4 fixes
Dec 26, 2025

This release introduces significant new capabilities, including automatic model persistence across sessions and experimental in-CLI extension management. Key fixes address issues with .geminiignore support in search tools and prevent crashes related to I/O errors. Users will also benefit from improved security visibility around hooks and better error handling for schema validation.

v0.22.011 features11 fixes
Dec 22, 2025

This release introduces several new capabilities, including persistent "Always Allow" policies, support for multi-file image drag and drop, and the new `/init` command for the A2A server. Several critical bugs were fixed, such as correcting MCP tool error detection and improving authentication logic by prioritizing the GEMINI_API_KEY environment variable. Additionally, the codebase investigator now aligns its model usage with the main agent.

v0.23.0-preview.015 features10 fixes
Dec 22, 2025

This release introduces significant new capabilities, including the launch of Gemini 3 Flash and the introduction of remote agent infrastructure. Key usability updates include native Windows clipboard image support and a new `/auth logout` command for managing credentials. Several fixes address UI glitches, command completion behavior, and improve core stability, especially around hooks and tool execution.

v0.21.0-nightly.20251220.41a1a3eed3 features2 fixes
Dec 20, 2025

This release focuses on security and core functionality by implementing JIT context memory loading and sanitizing hook command expansion to prevent injection vulnerabilities. Users will also benefit from improved UX through simplified tool confirmations and reduced log verbosity.

Documentation

Read the mcp documentation