# Context Guardian

> Use this tool when you need to optimize cloud LLM costs and improve agent performance by indexing context locally. The Context Guardian MCP server reduces costs by 36-42% and provides precision retrieval tools, solving the problem of inefficient raw context dumps. It takes in large amounts of context data as input and outputs targeted, relevant information, making it ideal for use cases where cost savings and agent accuracy are crucial.

Canonical page: https://skillsregistry.net/skills/ar5en1c-context-guardian  
JSON: https://api.skillsregistry.net/v1/skills/ar5en1c-context-guardian

## Description

MCP server that cuts cloud LLM costs 36-42% by indexing context locally and giving agents precision retrieval tools instead of raw context dumps.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/duht7v23fg)
- **Repository:** <https://github.com/Ar5en1c/context-guardian>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "ar5en1c-context-guardian"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ar5en1c-context-guardian` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ar5en1c-context-guardian/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt