CATCH #1060
DETECTED AUG 29, 2026 10:17 UTC
THE CATCHscore 5/10
EXHIBIT 1060
Aug 29, 2026 10:17 UTC
github
openai/codex
OpenAI's Codex Rust library (v0.151.0) adds configurable grace periods for tool discovery, allows extensions to process MCP tool results, and improves sandbox enforcement and plugin catalog handling.
READY TO POST:
openai codex rust library v0.151.0 just dropped, bringing more control over tool discovery grace periods and letting extensions inspect/replace mcp tool results. interesting for custom workflows.
new codex update (rust-v0.151.0) seems to focus on better sandbox enforcement and more robust plugin catalogs. looks like they're shoring up dev experience and security.
EVIDENCE — the receipts
openai/codex release: rust-v0.151.0
name: 0.151.0
published: 2026-08-29T09:55:39Z
url: https://github.com/openai/codex/releases/tag/rust-v0.151.0
## New Features
- Added a configurable grace period for discovering tools from optional MCP servers. (#41199)
- Extensions can now inspect or replace MCP tool results before they reach the model. (#41202)
- Plugin catalogs now combine per-repository configuration and report invalid project marketplaces without hiding valid plugins. (#41208)
## Bug Fixes
- Preserved restored permission profiles across TUI turns and prevented `/cd` from weakening sandbox restrictions. (#41192)
- Kept tool availability and reasoning effort correct when switching models or falling back to another model. (#41195, #41206)
- Improved remote sandbox enforcement using the executor’s actual home directory, operating system, and path conventions. (#41196, #41204, #41207, #41209)
- Preserved structured MCP tool and resource errors in app-server responses. (#41196)
- Counted nested subagent token usage toward root goal budgets. (#41183)
- Prevented stale Guardian classifications from authorizing actions after permission state changes. (#41196)
## Chores
- Added telemetry for escalated stdin reviews and remote executor MCP discovery. (#41189, #41205)
- Stabilized Guardian WebSocket and core fixture tests under slow or highly concurrent CI. (#41191, #41194)
## Changelog
Full Changelog: https://github.com/openai/codex/compare/rust-v0.150.0...rust-v0.151.0
- #41183 Account subagent token usage toward root goals @copyberry
- #41189 Instrument stdin review size checks @copyberry
- #41191 Stabilize Guardian WebSocket tests @copyberry
- #41192 Preserve restored permission profiles in TUI sessions @copyberry
- #41193 Report affected capabilities from remote plugin syncs @copyberry
- #41194 Harden core test fixture startup assertions @copyberry
- #41195 Finalize model-specific tool plans in `ToolRouter` @copyberry
- #41196 Improve sandboxing, MCP errors
caught by the 20-minute sweep ·
the live wire · all receipts