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Proposals/Adopt named sessions, thread forks, and plugin m
proposalteamP5High impactOpenAI Codex CLI

Adopt named sessions, thread forks, and plugin marketplaces in Codex CLI

Use session naming, pinned threads, and temporary forks to keep parallel work organized, and adopt Agent Plugins plus expanded marketplaces so skills and tools stay discoverable without restarting healthy MCP connections.

Why this loop

rust-v0.146.0 adds first-class session hygiene: `/new` and `/clear` for named sessions, pinning important threads, and switching side conversations without closing them. Forking with paginated history (including temporary forks hidden from listings) lets you explore alternatives without polluting the main thread list. Agent Plugins manifests, workspace plugin publishing, and marketplaces for Amazon Bedrock and Claude Code expand how teams share and consume capabilities. Proxy-aware auth and downloads, MCP reconnects that skip healthy servers, and preservation of messages, errors, and approvals across interrupts and forks make longer multi-thread sessions safer. Teams that standardize naming, pinning, and plugin publishing will waste less context and recover faster from failed turns.

Proposed actions

  1. Standardize session start with `/new` or `/clear` and a short task-based name; pin long-running or high-value threads and use side conversations instead of killing active ones.
  2. When trying a risky approach, fork the thread (prefer a temporary fork for throwaway experiments) and review paginated history before merging conclusions back to the main thread.
  3. Publish shared Agent Plugins from the workspace manifest and enable the Bedrock/Claude Code marketplaces your org uses so executors can discover skills and read only selected skill resources.
  4. Verify proxy settings once at the environment level so auth, plugin downloads, MCP authorization, WebSockets, and remote Code Mode hosts all honor the same config.
  5. After auth or MCP config changes, confirm Codex reconnects closed servers without restarting healthy ones, and treat preserved failed-turn errors and approvals as the source of truth when resuming or importing threads.

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Codex / agent CLI task

# DevAgentRadar → OpenAI Codex

Task: evaluate and optionally implement follow-ups from this coding-assistant release.

## Context
Assistant: OpenAI Codex CLI
Proposal: Adopt named sessions, thread forks, and plugin marketplaces in Codex CLI
Summary: Use session naming, pinned threads, and temporary forks to keep parallel work organized, and adopt Agent Plugins plus expanded marketplaces so skills and tools stay discoverable without restarting healthy MCP connections.
Primary source: https://github.com/openai/codex/releases/tag/rust-v0.146.0

## Why it matters
rust-v0.146.0 adds first-class session hygiene: `/new` and `/clear` for named sessions, pinning important threads, and switching side conversations without closing them. Forking with paginated history (including temporary forks hidden from listings) lets you explore alternatives without polluting the main thread list. Agent Plugins manifests, workspace plugin publishing, and marketplaces for Amazon Bedrock and Claude Code expand how teams share and consume capabilities. Proxy-aware auth and downloads, MCP reconnects that skip healthy servers, and preservation of messages, errors, and approvals across interrupts and forks make longer multi-thread sessions safer. Teams that standardize naming, pinning, and plugin publishing will waste less context and recover faster from failed turns.

## Suggested actions
1. Standardize session start with `/new` or `/clear` and a short task-based name; pin long-running or high-value threads and use side conversations instead of killing active ones.
2. When trying a risky approach, fork the thread (prefer a temporary fork for throwaway experiments) and review paginated history before merging conclusions back to the main thread.
3. Publish shared Agent Plugins from the workspace manifest and enable the Bedrock/Claude Code marketplaces your org uses so executors can discover skills and read only selected skill resources.
4. Verify proxy settings once at the environment level so auth, plugin downloads, MCP authorization, WebSockets, and remote Code Mode hosts all honor the same config.
5. After auth or MCP config changes, confirm Codex reconnects closed servers without restarting healthy ones, and treat preserved failed-turn errors and approvals as the source of truth when resuming or importing threads.

## Config surfaces this release may change
- MCP servers **(high confidence)** — check your repo before applying
- skills — check your repo before applying


Deliverables:
- Short impact assessment
- Optional patch plan (files + steps)
- Do not invent APIs not in the source notes
agentmcpmodelsecurityideRelease source ↗

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Originating release signal

OpenAI Codex CLIrust-v0.146.0Jul 29, 2026

rust-v0.146.0 0.146.0

Name new sessions with `/new` or `/clear`, pin important threads, and switch between side conversations without closing them. (#34605, #34840, #35011) · Support Agent Plugins manifests, workspace plugin publishing, and additional plugin marketplaces for Amazon Bedrock and Claude Code. (#35105, #35254, #34931, #34979) · Fork threads with paginated history, including temporary forks that do not appear in thread listings. (#35220, #35251) · Connect app-server to remote Code Mode hosts over WebSocket. (#35078, #35098) · +153 more changes

Verified excerpt — the source's own words
## New Features

- Name new sessions with `/new` or `/clear`, pin important threads, and switch between side conversations without closing them. (#34605, #34840, #35011)
- Support Agent Plugins manifests, workspace plugin publishing, and additional plugin marketplaces for Amazon Bedrock and Claude Code. (#35105, #35254, #34931, #34979)
- Fork threads with paginated history, including temporary forks that do not appear in thread listings. (#35220, #35251)
- Connect app-server to remote Code Mode hosts over WebSocket. (#35078, #35098)
- Enable standalone web search for compatible custom model providers. (#34846)
- Discover executor-provided skills and securely read their associated resources, including explicitly selected skills. (#35184, #35198)

## Bug Fixes

- Honor configured proxies across authentication, plugin downloads, MCP authorization, remote execution, WebSockets, redirects, and LM Studio connections. (#34479, #34509, #34655, #34678, #35023, #35056, #35239)
- Keep MCP connections and Apps tools current when authentication or configuration changes, reconnecting closed servers without restarting healthy connections. (#34952, #34957, #35028, #35144, #35146, #35151)

Excerpt ends here — this release continues at the source ↗.

Primary source ↗