get_by_tag
Retrieve blog content by tag from local Markdown files using the Library MCP server. Specify a tag and optional limit to filter and access relevant posts.
Instructions
Get blog content by its tag.
Args: tag: the tag associated with content limit: the number of results to include
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| tag | Yes | ||
| limit | No |
Implementation Reference
- main.py:428-441 (handler)MCP tool handler for 'get_by_tag' with @mcp.tool() decorator (registration). Includes schema via args and docstring. Executes core logic via content_manager and formats output.
@mcp.tool() async def get_by_tag(tag: str, limit: int = 50) -> str: """Get blog content by its tag. Args: tag: the tag associated with content limit: the number of results to include """ if content_manager is None: return "Content has not been loaded. Please ensure the server is properly initialized." matching_content = content_manager.get_by_tag(tag, limit) return format_content_for_output(matching_content) - main.py:163-204 (helper)Core helper method in HugoContentManager that implements the tag-based search logic: normalizes tags, finds exact/partial matches case-insensitively, sorts by date descending, applies limit.
def get_by_tag(self, tag: str, limit: int = 50) -> List[ContentFile]: """Find all files with a given tag""" matches = [] tag_lower = tag.lower() debug_print(f"Searching for tag: '{tag_lower}'") for file_path, content_file in self.path_to_content.items(): raw_tags = content_file.meta.get('tags', []) tags = self._normalize_tags(raw_tags) # Debug if tags: debug_print(f"File: {os.path.basename(file_path)} - Tags: {tags}") # Check for exact tag match (case insensitive) if any(tag_lower == t.lower() for t in tags): debug_print(f"Found exact tag match in {os.path.basename(file_path)}") matches.append(content_file) continue # Check if the tag is part of a tag for t in tags: if tag_lower in t.lower(): debug_print(f"Found partial tag match in {os.path.basename(file_path)}: '{t}'") matches.append(content_file) break debug_print(f"Found {len(matches)} files with tag '{tag}'") # Sort by date (most recent first) def get_sort_key(content_file): date = content_file.date if date is None: return datetime.min # Make date naive if it has timezone info if hasattr(date, 'tzinfo') and date.tzinfo is not None: date = date.replace(tzinfo=None) return date matches.sort(key=get_sort_key, reverse=True) return matches[:limit] - main.py:372-393 (helper)Helper function to format the list of ContentFile objects into a readable string output for the tool response.
def format_content_for_output(content_files: List[ContentFile]) -> str: """Format the content files for output""" if not content_files: return "No matching content found." result = [] for i, file in enumerate(content_files): result.append(f"File: {file.path}") result.append("Metadata:") for key, value in file.meta.items(): result.append(f" {key}: {value}") # Include the full content result.append("Content:") result.append(file.data.strip()) # Add separator between entries, but not after the last one if i < len(content_files) - 1: result.append("-" * 50) return "\n".join(result)