# Missing MCP Tools

## understand.Db Methods (18 total, 6 missing)

### Implemented (12):
- ✓ `annotations` → `db_annotations`
- ✓ `archs` → `db_archs`
- ✓ `ents` → `ents`
- ✓ `ent_from_id` → `db_ent_from_id`
- ✓ `files` → `db_files`
- ✓ `language` → `db_language`
- ✓ `lookup` → `lookup`
- ✓ `lookup_uniquename` → `lookup_uniquename`
- ✓ `metric` → `db_metric`
- ✓ `metrics` → `db_metrics`
- ✓ `name` → `db_name`
- ✓ `root_archs` → `db_root_archs`
- ✓ `violations` → `db_violations`

### Missing (6, excluding utility methods):
- ❌ `add_annotation_file`
- ❌ `comparison_db`
- ❌ `draw`
- ❌ `lexer`
- ❌ `metrics_treemap`
- ❌ `relative_file_name`

### Utility/Internal (not needed as MCP tools):
- `close` (database lifecycle management)
- `lookup_arch` (used internally by arch tools)

## understand.Ent Methods (35 total, 4 missing)

### Implemented (30):
- ✓ `annotations` → `ent_annotations`
- ✓ `comments` → `ent_comments`
- ✓ `contents` → `ent_contents`
- ✓ `control_flow_graph` → `ent_control_flow_graph`
- ✓ `depends` → `ent_depends`
- ✓ `dependsby` → `ent_dependsby`
- ✓ `ents` → `ent_ents`
- ✓ `file_type` → `ent_file_type`
- ✓ `filerefs` → `ent_filerefs`
- ✓ `freetext` → `ent_freetext`
- ✓ `ib` → `ent_ib`
- ✓ `kind().check()` → `ent_kind_check`
- ✓ `kindname` → `ent_kindname`
- ✓ `language` → `ent_language`
- ✓ `library` → `ent_library`
- ✓ `longname` → `ent_longname`
- ✓ `metric` → `ent_metric`
- ✓ `metrics` → `ent_metrics`
- ✓ `name` → `ent_name`
- ✓ `parameters` → `ent_parameters`
- ✓ `parent` → `ent_parent`
- ✓ `parsetime` → `ent_parsetime`
- ✓ `ref` → `ent_ref`
- ✓ `refs` → `ent_refs`
- ✓ `relname` → `ent_relname`
- ✓ `simplename` → `ent_simplename`
- ✓ `type` → `ent_type`
- ✓ `uniquename` → `ent_uniquename`
- ✓ `value` → `ent_value`
- ✓ `violations` → `ent_violations`

### Missing (4, excluding utility methods):
- ❌ `add_to_arch`
- ❌ `annotate`
- ❌ `draw`
- ❌ `kind` (only `kind().check()` is implemented)

### Utility/Internal (not needed as MCP tools):
- `id` (used as input parameter for all ent tools)
- `lexer` (used internally for lexer tools)

## understand.Arch Methods (11 total, 2 missing)

### Implemented (9):
- ✓ `children` → `arch_children`
- ✓ `contains` → `arch_contains`
- ✓ `depends` → `arch_depends`
- ✓ `dependsby` → `arch_dependsby`
- ✓ `ents` → `arch_ents`
- ✓ `metric` → `arch_metric`
- ✓ `metrics` → `arch_metrics`
- ✓ `name` → `arch_name`
- ✓ `parent` → `arch_parent`

### Missing (2):
- ❌ `draw`
- ❌ `longname` (used internally, not exposed as tool)

## understand.Kind Methods (2 implemented)

### Implemented (2):
- ✓ `list_entity` → `kind_list_entity`
- ✓ `list_reference` → `kind_list_reference`

## Summary

- **understand.Db**: 6 missing methods (excluding utility/internal methods)
- **understand.Ent**: 4 missing methods (excluding utility/internal methods)
- **understand.Arch**: 2 missing methods (excluding `longname` which is used internally)
- **understand.Kind**: 2 methods implemented (static methods)

**Total missing: 12 methods** (excluding utility/internal methods)