Obsidian MCP Server

List all unique tags used across the vault with usage statistics. When to use: - Before adding tags to maintain consistency - Getting an overview of your tagging taxonomy - Finding underused or overused tags - Discovering tag variations (e.g., 'project' vs 'projects') When NOT to use: - Getting tags for a specific note (use get_note_info) - Searching notes by tag (use search_notes with tag: prefix) Performance note: - For vaults with <1000 notes: Fast (1-3 seconds) - For vaults with 1000-5000 notes: Moderate (3-10 seconds) - For vaults with >5000 notes: May be slow (10+ seconds) - Uses batched concurrent requests to optimize performance Returns: All unique tags with optional usage counts

{ "properties": { "ctx": { "default": null, "title": "Ctx" }, "include_counts": { "default": true, "description": "Whether to include usage count for each tag", "title": "Include Counts", "type": "boolean" }, "sort_by": { "default": "name", "description": "How to sort results - by name (alphabetical) or count (usage)", "enum": [ "name", "count" ], "title": "Sort By", "type": "string" } }, "type": "object" }