rtk is a Rust CLI proxy that intercepts shell commands to reduce LLM token consumption by 60-90% using a transparent Bash hook and output filtering, supporting 100+ commands.
claude-code-lsp-enforcement-kit intercepts Grep/Read calls in Claude Code to enforce LSP-first navigation, saving ~73% tokens by redirecting to precise LSP MCP server calls with progressive read gating.
memU Bot replaces flat memory with a semantic memory layer, cutting token use by 90%. It supports Telegram, Discord, Slack, and Feishu with quick setup and MCP integration.
