entity-level diffs, blame, and impact analysis on top of git. 26 languages via tree-sitter. Built for coding agents.

kept by eddie jun 08

sem is an open-source CLI that replaces line-level git diffs with entity-level awareness (functions, classes, methods) using tree-sitter parsing, designed for both human developers and AI coding agents.

Tree-sitter vs. Language Servers
The Hacker News discussion explores the trade-offs between Tree-sitter's incremental parsing for syntax highlighting and Language Server Protocol's semantic features, concluding that combining both yields the best editor experience.
also on Tree-sitter, #developer-tools
Git Is Not Fine
Git's immutable commit model makes stacked PRs, async workflows, and partial-state editing genuinely painful despite its success as a distributed source store.
also on #version-control, #git, #developer-tools
Lore | Next-Generation Open Source Version Control - Lore
Epic Games maintains Lore, an open-source version control system designed for scalable data and teams working on mixed code and binary assets.
also on #version-control, #open-source, #developer-tools
Introducing MCP CLI: A way to call MCP Servers Efficiently
mcp-cli reduces MCP-related token usage by 99% through dynamic discovery, letting AI agents load only needed tool definitions instead of all upfront.
also on Model Context Protocol, #cli, #open-source, #ai-coding, #developer-tools
GitHub - addyosmani/gemini-cli-tips: Gemini CLI Tips and Tricks
Gemini CLI offers roughly 30 pro-tips for agentic coding, covering persistent context, custom commands, MCP extensibility, memory, and checkpointing for safe development workflows.
also on Model Context Protocol, #cli, #open-source, #ai-coding, #developer-tools