# mcp-key-proxy

> mcp-key-proxy — onprem-ai-mcp-key-proxy. Use this tool when you need to securely access stdio MCP servers with API key authentication. It solves the problem of manually injecting API keys into HTTP requests by automatically adding them via headers, enabling streamlined and secure communication. Ideal for use cases where MCP servers require authenticated access, this proxy accepts HTTP requests and outputs proxied responses with injected API keys.

Canonical page: https://skillsregistry.net/skills/onprem-ai-mcp-key-proxy  
JSON: https://api.skillsregistry.net/v1/skills/onprem-ai-mcp-key-proxy

## Description

Streamable HTTP proxy for stdio MCP servers with per-request API key injection via headers

## Trust

- **Trust score (0–1):** 0.83
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** api-integration
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/onprem-ai/mcp-key-proxy)

## 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": "onprem-ai-mcp-key-proxy"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/onprem-ai-mcp-key-proxy` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/onprem-ai-mcp-key-proxy/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