# downscoping-mcp

> Use this tool when you need to secure CLI commands and MCP operations by enforcing least-privilege access control. It intercepts Bash and MCP tool calls to inject minimum-privilege tokens, preventing unauthorized access based on declarative YAML policies. Ideal for use cases requiring strict security and access control, such as sensitive data processing or high-stakes system administration.

Canonical page: https://skillsregistry.net/skills/kbroughton-downscoping-mcp  
JSON: https://api.skillsregistry.net/v1/skills/kbroughton-downscoping-mcp

## Description

A security-focused tool that implements least-privilege credential injection for Claude Code by intercepting Bash and MCP tool calls to swap in minimum-privilege tokens. It enables secure execution of CLI commands and MCP operations by matching tool arguments against declarative YAML policies to prevent unauthorized access.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-04-21

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ry1x38s69z)
- **Repository:** <https://github.com/kbroughton/downscoping-mcp>

## 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": "kbroughton-downscoping-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kbroughton-downscoping-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kbroughton-downscoping-mcp/pull`

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