[Resource] Context Mode — Claude Code plugin that saves 98% context tokens

[mksglu]

Resource: Context Mode

Type: Claude Code Plugin (MCP server + skill)
GitHub: https://github.com/mksglu/claude-context-mode
npm: https://www.npmjs.com/package/context-mode
Category suggestion: Tooling / Plugins

What it does

Context Mode processes large outputs in sandboxed subprocesses instead of dumping raw data into the context window. Only summaries enter the conversation.

Without Context Mode: 315 KB of raw data burns ~80K tokens per session
With Context Mode: 5.4 KB of clean summaries — same analysis, 98% less context

Operation	Raw Output	With Context Mode	Savings
Playwright snapshot	56.2 KB	299 B	99%
GitHub Issues (20)	58.9 KB	1.1 KB	98%
Access log (500 req)	45.1 KB	155 B	100%
Git log (153 commits)	11.6 KB	107 B	99%

Install

claude mcp add context-mode -- npx -y context-mode

Features

• 5 MCP tools: execute, execute_file, index, search, fetch_and_index
• 10 language runtimes (JS, TS, Python, Shell, Ruby, Go, Rust, PHP, Perl, R)
• SQLite FTS5 knowledge base with BM25 ranking
• Authenticated CLI passthrough (gh, aws, gcloud, kubectl, docker)
• Intent-driven filtering for large outputs

Process data in a sandbox, return only what matters.

[hesreallyhim]

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