Show HN: Ctx, save tokens by loading only the relevant tools

Category: devtools

Tags: llm-tools, agent-recommendation, claude-code, knowledge-graph, mcp

Score: 8.3/10 (Innovation: 8, Technical: 9, Documentation: 8, Utility: 8)

Ctx is a recommendation engine for LLM tools that watches what a developer is building and suggests a small, curated set of relevant skills, agents, and MCP servers to save tokens and improve output quality. Its combination of a massive pre-built knowledge graph (102K+ nodes, 2.9M edges) with runtime hooks for Claude Code is a novel approach to solving context budget and skill rot in agentic workflows.

Target audience: backend devs, AI/ML engineers, devops

Repository: https://github.com/stevesolun/ctx · Python · MIT · 499 stars

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