autogpt-platform-beta-v0.6.51

## 🔥 What's New?

### New Features

- **#12238** - Local agent generation with validation, fixing, MCP & sub-agent support (by @majdyz)
- **#12332** - @@agptfile: file-ref protocol for tool call inputs + block input toggle (by @majdyz)
- **#12226** - Switch builder file inputs from base64 to workspace uploads (by @Abhi1992002)
- **#12273** - Attach uploaded images and PDFs as multimodal vision blocks (by @Otto-AGPT)
- **#12290** - Add folder management tools to CoPilot (by @Abhi1992002)
- **#12334** - Add and harden GitHub blocks for full-cycle development (by @majdyz)
- **#12356** - HITL review for sensitive block execution (by @majdyz)
- **#12364** - Add autopilot notification system (by @kcze)
- **#12378** - Add credential type selector for multi-auth providers (by @Abhi1992002)

### Enhancements

- **#12280** - Improve SDK loading time (by @majdyz)
- **#12279** - Persist large tool outputs to workspace with retrieval instructions (by @majdyz)
- **#12260** - Add output action buttons (upvote, downvote) with Langfuse feedback (by @0ubbe)
- **#12281** - Add Langfuse tracing to baseline LLM path (by @majdyz)
- **#12288** - Support Claude Code subscription auth for SDK mode (by @majdyz)
- **#12257** - Add per-turn work-done summary stats (by @0ubbe)
- **#12282** - Collapse repeated tool calls and fix stream stuck on completion (by @0ubbe)
- **#12330** - E2B sandbox auto-pause between turns to eliminate idle billing (by @majdyz)
- **#12297** - Add shared Claude Code skills as auto-triggered guidelines (by @majdyz)
- **#12344** - Batch undo history for cascading operations (by @eureka928)
- **#12317** - Improve TTS voice selection to avoid robotic voices (by @Otto-AGPT)
- **#12258** - CoPilot UX improvements (by @kcze)
- **#12346** - Pin interactive tool cards outside reasoning collapse (by @0ubbe)

### UI/UX Improvements

- **#12320** - Move microphone button to right side of input box (by @Otto-AGPT)
- **#12321** - Hide New Chat button on Autopilot homepage (by @Otto-AGPT)
- **#12304** - Fix 'Open link' button text color to white for contrast (by @Otto-AGPT)

### Bug Fixes

- **#12274** - Make Google Drive file inputs chainable (by @ntindle)
- **#12287** - Add missing createUser() call in password signup (by @Otto-AGPT)
- **#12289** - Handle empty tool_call arguments in baseline path (by @majdyz)
- **#12294** - Pin claude-agent-sdk to 0.1.45 to fix tool_reference content block validation error (by @majdyz)
- **#12301** - Install agent-browser + Chromium in Docker image (by @majdyz)
- **#12302** - Prevent title update from overwriting session messages (by @majdyz)
- **#12303** - Always upload transcript instead of size-based skip (by @majdyz)
- **#12292** - Prevent crash on /library with 401 error from pagination helper (by @Bentlybro)
- **#12312** - Use db_manager for workspace in add_graph_execution (by @Otto-AGPT)
- **#12315** - Bypass Next.js proxy for file uploads to fix 413 error (by @Abhi1992002)
- **#12318** - Refactor transcript to SDK-based atomic full-context model (by @majdyz)
- **#12323** - Capture tool results in transcript (by @majdyz)
- **#12298** - Handle manual run attempts for triggered agents (by @Otto-AGPT, @Pwuts)
- **#12354** - Handle discriminated unions and improve node layout (by @Abhi1992002)
- **#12358** - Update test patches for validate_url → validate_url_host rename (by @Otto-AGPT, @majdyz)
- **#12349** - Buffer workspace file downloads to prevent truncation (by @majdyz)
- **#12278** - Graceful schedule deletion with auto-selection (by @Bentlybro)
- **#12361** - Show specific error messages for store image upload failures (by @Abhi1992002)
- **#12360** - Show correct status in agent submission view modal (by @Abhi1992002)
- **#12331** - Update Gemini model lineup - add 3.1 models, deprecate 3 Pro Preview (by @Bentlybro)
- **#12369** - Fallback to raw HTML when html2text conversion fails (by @ShunyuWu-Shaun)
- **#12381** - Replace MCP jargon with user-friendly language (by @majdyz)
- **#12377** - Restore broken tutorial in builder (by @Abhi1992002)
- **#12376** - Release test fixes — scheduler time picker, unpublished banner (by @Otto-AGPT, @Pwuts)
- **#12384** - Pass through Supabase error params in password reset callback (by @Otto-AGPT, @Pwuts, @0ubbe)
- **#12391** - Agent generator sets invalid model on PerplexityBlocks (by @majdyz)
- **#12336** - Remove unused Otto Server Action causing 107K+ errors (by @Bentlybro)

### Documentation

- **#12283** - Add documentation for Google Gemini integration (by @nKOxxx)

### Dependencies & Maintenance

- **#12262** - Bump crazy-max/ghaction-github-runtime from 3 to 4 (by @dependabot[bot])
- **#12373** - Remove accidentally committed generated file (by @majdyz)

### LLM Model Support

- **#12158** - Add Claude Sonnet 4.6 model (by @Bentlybro)
- **#12337** - Add Mistral flagship models (Large 3, Medium 3.1, Small 3.2, Codestral) (by @Bentlybro)
- **#12343** - Add Grok 3 model support (by @Bentlybro)
- **#12341** - Add Perplexity Sonar Reasoning Pro model (by @Bentlybro)
- **#12342** - Add Microsoft Phi-4 model support (by @Bentlybro)
- **#12339** - Add Cohere Command A Family Models (by @Bentlybro)

### Code Refactoring

- **#12324** - Centralize prompt building in prompting.py (by @majdyz)
- **#12284** - Improve & clean up Marketplace DB layer & API (by @Pwuts)

---

## 🎉 Thanks to Our Contributors!

A huge shoutout to everyone who contributed to this release. Special thanks to our new contributors:

- @nKOxxx
- @eureka928
- @ShunyuWu-Shaun

As well as our returning contributors:
- @majdyz
- @ntindle
- @Otto-AGPT
- @Abhi1992002
- @0ubbe
- @Bentlybro
- @kcze
- @Pwuts
- @dependabot[bot]

---

## 📥 How to Get This Update

To update to this version, run:

```bash
git pull origin autogpt-platform-beta-v0.6.51
```

Or download it directly from the  
[Releases page](https://github.com/Significant-Gravitas/AutoGPT/releases).

For a complete list of changes, see the [Full Changelog](https://github.com/Significant-Gravitas/AutoGPT/compare/autogpt-platform-beta-v0.6.50...autogpt-platform-beta-v0.6.51).