Context Mode

Context Mode is an open-source MCP plugin and commercial platform that optimizes context window usage for AI coding agents. The free plugin intercepts large tool outputs — like grep results, file reads, and issue listings — before they hit the LLM context, storing raw data in a local FTS5 SQLite store. The agent retrieves data via search only when needed, reducing context consumption by up to 98%. Over 331,200 developers use it with 17 AI adapters including Claude Code, Cursor, Copilot, and Codex. It runs entirely on the developer's machine with no cloud, telemetry, or account required. For engineering teams, the Context Mode Platform ($20/seat/month) adds an org layer with opt-in event forwarding. It surfaces team-level Insight — token spend, velocity, error rates — while remaining privacy-first: only structural metadata (tool names, file paths, error counts) is forwarded; source code and prompts never leave the machine. Upcoming solutions include Context Mode Memory (long-term memory for coding agents), Context Mode Audit (SOC2 compliance trail), and Context Mode Cost (token spend per velocity per team). Context Mode solves the other half of the context problem — filtering irrelevant data before it reaches the context window — rather than optimizing prompts or model choice. The plugin is free and open-source, making it accessible to individual developers, while the paid platform provides organizational visibility without adding a new tool to the workflow.