This release includes 1 breaking change for platform teams planning a safe upgrade.
✓ No known CVEs patched in this version
Topics
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ReleasePort's take
Light signalProject Sync v3 format reduces unnecessary Git diffs and introduces read‑only AI preflight checks.
Why it matters: Affects Project Sync file format; adopt v3 to minimize diff noise. Enables system_info.preflight for AI agent safety before task execution.
Summary
AI summaryProject Sync updates to v3 format reduce unnecessary Git diffs and add read‑only AI preflight checks.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Adds cleaner Project Sync v3 format reducing unnecessary Git diffs Adds cleaner Project Sync v3 format reducing unnecessary Git diffs Source: llm_adapter@2026-07-19 Confidence: high |
— |
| Feature | Medium |
Adds read-only Studio preflight checks via system_info.preflight before AI tasks Adds read-only Studio preflight checks via system_info.preflight before AI tasks Source: llm_adapter@2026-07-19 Confidence: high |
— |
| Feature | Medium |
Adds read-only Open Cloud upload preflight checks via manage_open_cloud_assets.preflight Adds read-only Open Cloud upload preflight checks via manage_open_cloud_assets.preflight Source: llm_adapter@2026-07-19 Confidence: high |
— |
| Bugfix | Medium |
Fixes duplicate events in completed Playtest reports from manage_studio.run_test Fixes duplicate events in completed Playtest reports from manage_studio.run_test Source: llm_adapter@2026-07-19 Confidence: high |
— |
| Refactor | Low |
Reduces Sync metadata noise in Git and Dashboard history by ignoring runtime files Reduces Sync metadata noise in Git and Dashboard history by ignoring runtime files Source: llm_adapter@2026-07-19 Confidence: high |
— |
Full changelog
Features
- Cleaner Project Sync files with a reviewed v3 update — New Sync projects now use a canonical file format that avoids unnecessary Git diffs when the same Studio state is synced again. Existing v2 projects stay unchanged until you review the exact metadata additions, modifications, deletions, and blockers in the Dashboard Sync page and explicitly apply the update. WEPPY creates a runtime backup before applying it and does not modify Luau source files. After a place is updated to v3, opening that Sync data with an older MCP server is not supported; projects that remain on v2 continue to work normally.
- Read-only Studio readiness checks before AI work — AI agents can now use
system_info.preflightto check the selected Studio connection, place identity, Edit or Play state, publish status, screenshot readiness, and security capabilities before starting a task. The check reports specific setup actions without changing Studio settings, the DataModel, or DataStore state. - Read-only Open Cloud upload checks — Pro users can now verify the saved API key, Assets Read and Write permissions, Creator target, requested asset category, and local file format and size before uploading. Running
manage_open_cloud_assets.preflightdoes not upload or update a Roblox asset and does not expose the raw API key.
Bug Fixes
- No duplicate events in completed Playtest reports —
manage_studio.run_testno longer records the same logs and signals twice when a completed test reports them through both the final result and the live event stream. Timeout and cancellation reports still preserve the available partial stream evidence, including intentional repeated messages.
Stability
- Less Sync metadata noise in Git and Dashboard history — Runtime files such as session and timestamp state are ignored by WEPPY-managed Git rules and excluded from game-change history, while generated files can be distinguished from user source and canonical mirror changes. Existing user
.gitignorerules and already tracked files are left in place.
Breaking Changes
- After updating a Sync project to v3, opening its data with an older MCP server is not supported.
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About hope1026/weppy-roblox-mcp
MCP server and plugin that lets AI agents (Claude Code, Cursor, Codex, Gemini) directly control a live Roblox Studio session — create scripts, instances, terrain, lighting, and assets via natural language. 21 tools, 140+ actions, bidirectional sync, and automated playtest.
Beta — feedback welcome: [email protected]