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Co-authored-by: Jeremiah Lowin <jlowin@users.noreply.github.com> Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
30 lines
672 B
Python
30 lines
672 B
Python
"""
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FastMCP Complex inputs Example
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Demonstrates validation via pydantic with complex models.
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"""
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from typing import Annotated
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from pydantic import BaseModel, Field
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from fastmcp import FastMCP
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mcp = FastMCP("Shrimp Tank")
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class ShrimpTank(BaseModel):
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class Shrimp(BaseModel):
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name: Annotated[str, Field(max_length=10)]
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shrimp: list[Shrimp]
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@mcp.tool
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def name_shrimp(
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tank: ShrimpTank,
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# You can use pydantic Field in function signatures for validation.
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extra_names: Annotated[list[str], Field(max_length=10)],
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) -> list[str]:
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"""List all shrimp names in the tank"""
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return [shrimp.name for shrimp in tank.shrimp] + extra_names
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