Mulder is a forensic analysis server with 10 tools, all read-only. Tool naming follows verb_noun convention (parse_*, index_*), which is good. Descriptions are present and detailed (100-200 chars), explaining what each tool does and its forensic purpose. The two tools with parameters (parse_mft, parse_usn_journal, index_app_files) have minimal parameter descriptions ('Start time for filtering...' lacks format/range guidance). No output schemas are documented. Error handling is absent, no recovery guidance or categorization. Security is appropriate (read-only operations, no credentials exposed). Overall: descriptions save this from F-grade, but empty schemas and lack of output documentation severely limit LLM usability.

• Add explicit input schemas to all 8 tools with empty schemas. Even if no parameters are required, declare 'type: object, properties: {}, required: []' to signal intentional design.
• Document output schemas for all tools. Specify field names, types (string, array, object), and what each field contains. Example: parse_prefetch_detailed returns {summary: {total_entries: int, sample_entries: [{executable: string, last_run: string}]}}.
• Enhance parameter descriptions for parse_mft and parse_usn_journal: specify ISO 8601 format (e.g. '2024-01-15T10:30:00Z'), valid ranges (e.g. 'within the last 90 days'), and whether times are UTC or local.
• Add error handling guidance: document what happens if the disk image is not found, parsing fails, or no data matches the filter. Provide recovery steps (e.g. 'If image_path is invalid, verify the path exists and is readable by the mulder user').
• Constrain the 'extensions' parameter in index_app_files with an enum of common forensic file types (.ini, .cfg, .log, .xml, .json, .yaml, .bat, .ps1, .reg) to prevent LLM hallucination of invalid extensions.