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refactor: McpError renamed to MCPError and flatten parameters (#1956)

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Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com>
This commit is contained in:
Marcelo Trylesinski 2026-01-26 14:37:44 +01:00 • committed by GitHub
commit acba5478a9
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1 changed files with 253 additions and 326 deletions
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15
src/mcp/server/validation.py
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@ -4,15 +4,8 @@ This module provides validation logic for sampling and elicitation requests
that is shared across normal and task-augmented code paths.
"""
from mcp.shared.exceptions import McpError
from mcp.types import (
INVALID_PARAMS,
ClientCapabilities,
ErrorData,
SamplingMessage,
Tool,
ToolChoice,
)
from mcp.shared.exceptions import MCPError
from mcp.types import INVALID_PARAMS, ClientCapabilities, SamplingMessage, Tool, ToolChoice
def check_sampling_tools_capability(client_caps: ClientCapabilities | None) -> bool:
@ -46,11 +39,11 @@ def validate_sampling_tools(
tool_choice: The tool choice setting, if provided
Raises:
McpError: If tools/tool_choice are provided but client doesn't support them
MCPError: If tools/tool_choice are provided but client doesn't support them
"""
if tools is not None or tool_choice is not None:
if not check_sampling_tools_capability(client_caps):
raise McpError(ErrorData(code=INVALID_PARAMS, message="Client does not support sampling tools capability"))
raise MCPError(code=INVALID_PARAMS, message="Client does not support sampling tools capability")
def validate_tool_use_result_messages(messages: list[SamplingMessage]) -> None: