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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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20
src/mcp/server/experimental/request_context.py
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@ -13,7 +13,7 @@ from typing import Any
from mcp.server.experimental.task_context import ServerTaskContext
from mcp.server.experimental.task_support import TaskSupport
from mcp.server.session import ServerSession
from mcp.shared.exceptions import McpError
from mcp.shared.exceptions import MCPError
from mcp.shared.experimental.tasks.helpers import MODEL_IMMEDIATE_RESPONSE_KEY, is_terminal
from mcp.types import (
METHOD_NOT_FOUND,
@ -72,13 +72,13 @@ class Experimental:
Args:
tool_task_mode: The tool's execution.taskSupport value
("forbidden", "optional", "required", or None)
raise_error: If True, raises McpError on validation failure. If False, returns ErrorData.
raise_error: If True, raises MCPError on validation failure. If False, returns ErrorData.
Returns:
None if valid, ErrorData if invalid and raise_error=False
Raises:
McpError: If invalid and raise_error=True
MCPError: If invalid and raise_error=True
"""
mode = tool_task_mode or TASK_FORBIDDEN
@ -86,18 +86,12 @@ class Experimental:
error: ErrorData | None = None
if mode == TASK_REQUIRED and not self.is_task:
error = ErrorData(
code=METHOD_NOT_FOUND,
message="This tool requires task-augmented invocation",
)
error = ErrorData(code=METHOD_NOT_FOUND, message="This tool requires task-augmented invocation")
elif mode == TASK_FORBIDDEN and self.is_task:
error = ErrorData(
code=METHOD_NOT_FOUND,
message="This tool does not support task-augmented invocation",
)
error = ErrorData(code=METHOD_NOT_FOUND, message="This tool does not support task-augmented invocation")
if error is not None and raise_error:
raise McpError(error)
raise MCPError(code=error.code, message=error.message)
return error
@ -113,7 +107,7 @@ class Experimental:
Args:
tool: The Tool definition
raise_error: If True, raises McpError on validation failure.
raise_error: If True, raises MCPError on validation failure.
Returns:
None if valid, ErrorData if invalid and raise_error=False