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What are Threads?

Threads are your coding conversation — a complete record of every prompt, context block, model decision, and tool calls. Costa automatically saves these so you can revisit, search, and share Threads with anyone.
Codex CLI interface

Why Threads Matter?

Teams use thread links inside code reviews, incident write-ups, and design docs to provide full context behind every decision. Browsing your team’s threads makes it easy to understand patterns, learn from each other’s workflows, and track how the organization uses AI in practice.

Sharing Threads:

Costa supports fine-grained sharing controls:

🔭 Public

Visible on your public developer profile and indexed for public search.

🔗 Unlisted

Accessible to anyone with a direct link. Not searchable. Automatically shared with your workspace.

🌌 Workspace

Visible to everyone in your organization’s workspace. (Default for companies and teams.)

🔒 Private

Visible only to you. Not shared anywhere.

Defaults

Individual users (no workspace): All threads default to Private. Workspace members: All threads default to Workspace Shared, unless your admin enforces stricter policies. Enterprise workspaces can enable additional governance controls such as retention rules, auto-classification, and restricted visibility. See Enterprise Thread Governance for details.