CodexClaude CodeCursorQwen Code
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Context Mode
Context window optimization for AI coding agents. Sandboxes tool output, 98% reduction. 15 platforms
skill CodexClaude CodeCursorQwen Code
01
At a glance.
A compact read before the deeper capability notes and official setup links.
02
Core features.
Feature cards focus on what the tool helps users do, not generated setup commands.
Every MCP tool call dumps raw data into your context window.
And when the agent compacts the conversation to free space, it forgets which files it was editing, what tasks are in progress, and what you last asked for.
On top of that, the agent wastes output tokens on filler, pleasantries, and verbose explanations — burning context from both sides.
Context Mode is an MCP server that solves all four sides of this problem:
Context Saving — Sandbox tools keep raw data out of the context window.
When the conversation compacts, context-mode doesn't dump this data back into context — it indexes events into FTS5 and retrieves only what's relevant via BM25 search.
Instead of reading 50 files into context to count functions, the agent writes a script that does the counting and console.log()s only the result.
One script replaces ten tool calls and saves 100x context.
04
Agent / Skill / MCP / Workflow fit.
This panel keeps technical format separate from the user-facing AI category.
05
Official setup path.
Generated install snippets are intentionally not mirrored here because they drift. The page links to source-owned setup docs instead.
06
Evidence and adoption notes.
These notes help a user decide whether to investigate the official project further.
Source repository last pushed at 2026-05-18T09:42:24Z.
Generated from source metadata; confirm operational details in the official project before adopting it.
Review the upstream license, maintenance activity, and issue history before using it in production.
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