"j( SSKJr SSKrSSKJr SSKJrJr SSKJ r J r SSK J r SS K Jr \"S S \\55r\"S S \\55rSSjrg)) annotationsN) dataclass) AgentDepsT RunContext)ToolDefinitionToolsPrepareFunc)_utils)AbstractCapabilitycB\rSrSr%SrS\S'\S Sj5rS SjrSr g) PrepareTools aCapability that filters or modifies function tool definitions using a callable. Wraps a [`ToolsPrepareFunc`][pydantic_ai.tools.ToolsPrepareFunc] as a capability. Filters/modifies **function** tools only; for output tools use [`PrepareOutputTools`][pydantic_ai.capabilities.PrepareOutputTools]. ```python from pydantic_ai import Agent, RunContext from pydantic_ai.capabilities import PrepareTools from pydantic_ai.tools import ToolDefinition async def hide_admin_tools( ctx: RunContext, tool_defs: list[ToolDefinition] ) -> list[ToolDefinition]: return [td for td in tool_defs if not td.name.startswith('admin_')] agent = Agent('openai:gpt-5', capabilities=[PrepareTools(hide_admin_tools)]) ``` ToolsPrepareFunc[AgentDepsT] prepare_funccgNclss c/home/mande/repo/quber/.venv/lib/python3.13/site-packages/pydantic_ai/capabilities/prepare_tools.pyget_serialization_name#PrepareTools.get_serialization_name'cJ# [URX5IShvN $N7fr_call_prepare_funcrselfctx tool_defss r prepare_toolsPrepareTools.prepare_tools+s'(9(93JJJJ #!#rNreturnz str | Noner!RunContext[AgentDepsT]r"list[ToolDefinition]r'r*) __name__ __module__ __qualname____firstlineno____doc____annotations__ classmethodrr#__static_attributes__rrrrr s',/.KrrcN\rSrSr%SrS\S'\S Sj5rS SjrSr g) PrepareOutputTools/a2Capability that filters or modifies output tool definitions using a callable. Mirrors [`PrepareTools`][pydantic_ai.capabilities.PrepareTools] for [output tools][pydantic_ai.output.ToolOutput]. `ctx.retry`/`ctx.max_retries` reflect the **output** retry budget (`max_output_retries`), matching the output hook lifecycle. ```python from pydantic_ai import Agent, RunContext from pydantic_ai.capabilities import PrepareOutputTools from pydantic_ai.output import ToolOutput from pydantic_ai.tools import ToolDefinition async def only_after_first_step( ctx: RunContext, tool_defs: list[ToolDefinition] ) -> list[ToolDefinition]: return tool_defs if ctx.run_step > 0 else [] agent = Agent( 'openai:gpt-5', output_type=ToolOutput(str), capabilities=[PrepareOutputTools(only_after_first_step)], ) ``` rrcgrrrs rr)PrepareOutputTools.get_serialization_nameNrrcJ# [URX5IShvN $N7frrrs rprepare_output_tools'PrepareOutputTools.prepare_output_toolsRs ((9(93JJJJr%rNr&r() r+r,r-r.r/r0r1rr9r2rrrr4r4/sB6/.K)K6JK Krr4c# U"X5n[R"U5(a UIShvN n[R"X05$N7fr)inspect isawaitabler check_tools_prepare_func_result)rr!r"results rrrXs?# )F6""  1 1& GGs)AAA)rrr!r)r"r*r'r*) __future__rr< dataclassesrpydantic_ai._run_contextrrpydantic_ai.toolsrrr abstractr rr4rrrrrFs"!;>( K%j1K KB %K+J7%K %KP H. H  H$ H Hr