Context Mode Engine

# The free plugin *that started it.*

Context Mode Engine keeps raw tool output in a local sandbox and index, so only the answer enters the context. No account.

[Install](#install) [GitHub](https://github.com/mksglu/context-mode)

Install

```
# as a plugin
/plugin marketplace add mksglu/context-mode
/plugin install context-mode@context-mode

# anything else
npm install -g context-mode
```

How it works

## Runs on your machine.

1. 01 **Install the plugin** In 18 AI coding tools.
2. 02 **The agent runs a script** Raw data stays in a local sandbox.
3. 03 **Only the answer enters** The rest stays searchable on your disk.

Proof

## Tool output, *14 benchmark scenarios.*

Tool output that enters the context

Without **100%** With the Engine **2%**

98% less

24,230 GitHub stars and 580,024 npm downloads, read 2026-09-30. [Method and sources →](https://contextmode.ai/benchmarks/data/reach-2026-09-30.json)

Features

## Local by design.

**Sandbox**

Only what a script prints reaches the model.

**Local index**

Output is searchable on your disk.

**Your machine**

Code and sessions stay on it, unless you connect Insight.

## Install it *in a minute.*

Free. No card. Elastic License 2.0.

[Install →](#install) [GitHub →](https://github.com/mksglu/context-mode)