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Eduard van Valkenburg
55398e21df
* Add max_function_calls to FunctionInvocationConfiguration (#2329) Add a new per-request max_function_calls setting to FunctionInvocationConfiguration that limits the total number of individual function invocations across all iterations within a single get_response call. This complements max_iterations (which limits LLM roundtrips) by providing a hard cap on actual tool executions regardless of parallelism. - Add max_function_calls field to FunctionInvocationConfiguration (default: None/unlimited) - Track cumulative function call count in both streaming and non-streaming tool loops - Force tool_choice='none' when the limit is reached - Add validation in normalize_function_invocation_configuration - Improve docstrings for FunctionInvocationConfiguration, FunctionTool, and @tool to clarify semantics of max_iterations vs max_function_calls vs max_invocations - Add tests for parallel calls, single calls, unlimited mode, and config validation Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Add sample for controlling total tool executions Showcases all three mechanisms for limiting tool executions: 1. max_iterations — caps LLM roundtrips 2. max_function_calls — caps total individual function invocations per request 3. max_invocations — lifetime cap on a specific tool instance Plus a combined scenario demonstrating defense in depth. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Suppress ruff E305/fmt in hosting sample to preserve XML doc tags The XML snippet tags (# <create_agent> / # </create_agent>) are used for docs extraction and must stay adjacent to the code they wrap. Both ruff check (E305) and ruff format add blank lines after the function definition, pushing the closing tag away. Suppress with ruff: noqa: E305 and fmt: off. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Add per-agent tool wrapping scenario to control_total_tool_executions sample Show that wrapping the same callable with @tool multiple times creates independent FunctionTool instances with separate invocation counters, enabling per-agent max_invocations budgets for shared functions. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Clarify max_function_calls is a best-effort limit The limit is checked after each batch of parallel calls completes, so the current batch always runs to completion even if it overshoots the limit. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Address PR review: fix docstring reference, clarify best-effort in sample - Fix malformed Sphinx :attr: role in FunctionTool docstring — use plain backtick reference instead - Update sample to say 'best-effort cap' instead of 'hard cap' for max_function_calls, noting it's checked between iterations - Parametrize pattern is correct (fixture override, matching existing tests) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * clarify max_invocations limits --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
55398e21df
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2026-02-24 01:00:25 +00:00
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