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docs: clarify namespace limit on dynamic tool fallback

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Sayan Sisodiya
2026-05-26 17:39:19 -07:00
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codex-rs/app-server/README.md
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@@ -1408,7 +1408,7 @@ Dynamic tool identifiers follow the same constraints as Responses function tools
- `namespace`, when present, must match `^[a-zA-Z0-9_-]+$` and be between 1 and 64 characters.
- `namespace` must not collide with reserved Responses runtime namespaces such as `functions`, `multi_tool_use`, `file_search`, `web`, `browser`, `image_gen`, `computer`, `container`, `terminal`, `python`, `python_user_visible`, `api_tool`, `tool_search`, or `submodel_delegator`.
Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `code_mode`, while excluding it from the model-facing tool list sent on ordinary turns. When `tool_search` is available, deferred dynamic tools are searchable and can be exposed by a matching search result. If `tool_search` is unavailable due to model/provider restrictions, deferred dynamic tools are exposed directly.
Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `code_mode`, while excluding it from the model-facing tool list sent on ordinary turns. When `tool_search` is available, deferred dynamic tools are searchable and can be exposed by a matching search result. If `tool_search` is unavailable due to model/provider restrictions, deferred dynamic tools are exposed directly; normal provider namespace support still applies.
When a dynamic tool is invoked during a turn, the server sends an `item/tool/call` JSON-RPC request to the client: