goose v1.18.0 Release Notes

Released: December 19, 2025

✨ Features

• Slash commands - /prompts (list available prompts), /prompt (execute a prompt or show info with --info), /compact (compact conversation history), /clear (clear conversation history) [#5858](https://github.com/block/goose/pull/5858)
• Recipe slash command parsing with improved parameter handling [#6173](https://github.com/block/goose/pull/6173)
• Centralized theme management with ThemeContext [#6137](https://github.com/block/goose/pull/6137)
• Goose PR reviewer workflow [#6124](https://github.com/block/goose/pull/6124)
• Disable update feature for CLI [#5886](https://github.com/block/goose/pull/5886)
• OpenRouter & Xai streaming support [#5873](https://github.com/block/goose/pull/5873)
• Skills discovery paths for .agents/skills and ~/.config/agent/skills [#6139](https://github.com/block/goose/pull/6139)
• Pricing integration with canonical model [#6130](https://github.com/block/goose/pull/6130)
• Scorecard supply-chain security workflow [#5810](https://github.com/block/goose/pull/5810)

🐛 Bug Fixes

• Code mode: use MCP structuredContent for proper JS object access [#6190](https://github.com/block/goose/pull/6190)
• Code mode: improve tool signatures for LLM discovery [#6177](https://github.com/block/goose/pull/6177)
• Goose reviewer: less sycophantic responses [#6171](https://github.com/block/goose/pull/6171)
• Goose reviewer: improved quality [#6154](https://github.com/block/goose/pull/6154)
• Correct parameter name in read_module handler [#6148](https://github.com/block/goose/pull/6148)
• Respect default_enabled value of platform extensions [#6159](https://github.com/block/goose/pull/6159)
• Conditional configuration for GOOSE_BIN_DIR in PATH [#5940](https://github.com/block/goose/pull/5940)
• Google: 400 Bad Request error with Gemini 3 thought signatures [#6035](https://github.com/block/goose/pull/6035)
• Tool count warning no longer shown in code mode [#6149](https://github.com/block/goose/pull/6149)
• Gemini-cli on Windows: workaround for cmd's multiline prompt limitations [#5966](https://github.com/block/goose/pull/5966)
• MCP UI not rendering due to CallToolResult structure change [#6143](https://github.com/block/goose/pull/6143)
• Shell output displayed as static text instead of spinner [#6041](https://github.com/block/goose/pull/6041)
• Custom providers with empty API keys no longer show as configured in desktop [#6105](https://github.com/block/goose/pull/6105)
• Instructions used for system prompt and prompt for user message in subagents [#6121](https://github.com/block/goose/pull/6121)
• Compaction loop for small models or large input [#5803](https://github.com/block/goose/pull/5803)
• MCP-hermit cleanup path expansion issue [#5953](https://github.com/block/goose/pull/5953)
• YAML serialization for recipes with special characters [#5796](https://github.com/block/goose/pull/5796)
• TokenState loading on new sessions [#6129](https://github.com/block/goose/pull/6129)
• Ephemeral extensions no longer persisted when resuming sessions [#5974](https://github.com/block/goose/pull/5974)
• Subagent tool hidden when running as a subagent [#6125](https://github.com/block/goose/pull/6125)
• Keyboard shortcut conflict for Focus Goose Window [#5809](https://github.com/block/goose/pull/5809)
• Filter tools in Ollama streaming when chat mode is enabled [#6118](https://github.com/block/goose/pull/6118)
• /reply reverted to previous behavior (replacing session history) when full conversation provided [#6058](https://github.com/block/goose/pull/6058)

🔧 Improvements

• Avoid repeated MCP queries during streaming responses [#6138](https://github.com/block/goose/pull/6138)
• Enhanced PostHog error tracking with detailed messages [#6176](https://github.com/block/goose/pull/6176)
• Privacy-aware PostHog analytics [#6122](https://github.com/block/goose/pull/6122)
• Regenerate canonical models when release branch is created [#6127](https://github.com/block/goose/pull/6127)
• Upgrade agent-client-protocol to 0.9.0 [#6109](https://github.com/block/goose/pull/6109)
• Bump Bedrock dependency versions [#6090](https://github.com/block/goose/pull/6090)
• Update dependencies for Fedora packaging [#5835](https://github.com/block/goose/pull/5835)
• Copilot instructions updated to correct "Goose" to "goose" in code reviews [#6175](https://github.com/block/goose/pull/6175)
• Clean PR preview sites from gh-pages branch history [#6161](https://github.com/block/goose/pull/6161)

📚 Documentation

• MCP elicitation guide [#6182](https://github.com/block/goose/pull/6182)
• Mobile access documentation [#6180](https://github.com/block/goose/pull/6180)
• Blog: terminal and mobile [#6174](https://github.com/block/goose/pull/6174)
• Blog: code mode MCP [#6126](https://github.com/block/goose/pull/6126)
• Auto download updates documentation [#6163](https://github.com/block/goose/pull/6163)
• Skills documentation [#6062](https://github.com/block/goose/pull/6062)
• Create/edit recipe button documentation [#6145](https://github.com/block/goose/pull/6145)
• Sugar MCP server added to extensions registry [#6077](https://github.com/block/goose/pull/6077)