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enable tool search over dynamic tools #18263

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Merged
sayan-oai merged 7 commits into from
Apr 17, 2026
Merged

enable tool search over dynamic tools #18263

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54af119
Make deferred dynamic tools searchable
pash-openai Apr 14, 2026
f1e0ee2
Support tool search for dynamic tools
sayan-oai Apr 16, 2026
108e7b5
rm ToolSearchEntry
sayan-oai Apr 17, 2026
46cc87f
Clean up tool search entries
sayan-oai Apr 17, 2026
c955ab8
reuse tool search logic
sayan-oai Apr 17, 2026
4cc4040
move to test_codex integration test rather than app-server
sayan-oai Apr 17, 2026
1aacfe4
pass around ToolSearchEntry objects and cleanup dead fn
sayan-oai Apr 17, 2026
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2 changes: 1 addition & 1 deletion codex-rs/app-server/README.md
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Expand Up @@ -1167,7 +1167,7 @@ If the session approval policy uses `Granular` with `request_permissions: false`

`dynamicTools` on `thread/start` and the corresponding `item/tool/call` request/response flow are experimental APIs. To enable them, set `initialize.params.capabilities.experimentalApi = true`.

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 `js_repl`, while excluding it from the model-facing tool list sent on ordinary turns.
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 `js_repl`, 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.

When a dynamic tool is invoked during a turn, the server sends an `item/tool/call` JSON-RPC request to the client:

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