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feat: Avoid escaping non-ASCII characters when using json.dumps() #160

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feat: Avoid escaping non-ASCII characters when using json.dumps() #160

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10 changes: 5 additions & 5 deletions fastapi_mcp/openapi/convert.py
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Original file line number Diff line number Diff line change
Expand Up @@ -124,14 +124,14 @@ def convert_openapi_to_mcp_tools(
# If we have an example response, add it to the docs
if example_response:
response_info += "\n\n**Example Response:**\n```json\n"
response_info += json.dumps(example_response, indent=2)
response_info += json.dumps(example_response, indent=2, ensure_ascii=False)
response_info += "\n```"
# Otherwise generate an example from the schema
else:
generated_example = generate_example_from_schema(display_schema)
if generated_example:
response_info += "\n\n**Example Response:**\n```json\n"
response_info += json.dumps(generated_example, indent=2)
response_info += json.dumps(generated_example, indent=2, ensure_ascii=False)
response_info += "\n```"

# Only include full schema information if requested
Expand All @@ -141,15 +141,15 @@ def convert_openapi_to_mcp_tools(
items_schema = display_schema["items"]

response_info += "\n\n**Output Schema:** Array of items with the following structure:\n```json\n"
response_info += json.dumps(items_schema, indent=2)
response_info += json.dumps(items_schema, indent=2, ensure_ascii=False)
response_info += "\n```"
elif "properties" in display_schema:
response_info += "\n\n**Output Schema:**\n```json\n"
response_info += json.dumps(display_schema, indent=2)
response_info += json.dumps(display_schema, indent=2, ensure_ascii=False)
response_info += "\n```"
else:
response_info += "\n\n**Output Schema:**\n```json\n"
response_info += json.dumps(display_schema, indent=2)
response_info += json.dumps(display_schema, indent=2, ensure_ascii=False)
response_info += "\n```"

tool_description += response_info
Expand Down