Structured Feedback, Made Simple
LMC provides a clean, parseable format for document annotations that keeps feedback organized and actionable.
Categorized Comments
10 built-in comment types including Praise, Grammar, Style, Logic, and more. Each type has distinct visual styling.
Linked Annotations
Click any highlight to jump to its comment, or click a comment to locate it in the document. Seamless navigation.
Visual Clarity
Color-coded highlights and underlines make it easy to scan for specific types of feedback at a glance.
Nested Selections
Support for nested annotations when you need to comment on a phrase within a larger selection.
LLM-Optimized
Designed for AI-generated feedback. Simple regex-parseable syntax that LLMs can produce reliably.
Structured Summary
Optional summary section for overall assessment, strengths, and areas for improvement.
Simple, Readable Syntax
LMC uses intuitive markers that are easy to write and parse.
Example LMC Document
The {#1}quick brown fox{/1} jumped over the {#2}lazy dog{/2}.
{== COMMENTS ==}
{#1|P} Great use of vivid imagery.
{#2|S} Consider a more precise adjective.
{#3|T:global} Document meets all requirements.
{== SUMMARY ==}
Overall, the sentence is effective.Selection Markers
Wrap text with {#id}...{/id}
Comment Format
Reference selections with {#id|TYPE}
Use {#id|TYPE:global} for document-level feedback