# JavaScript MCP Auth Server

> Use this tool when you need to authenticate and authorize users remotely using OAuth 2.0 and Keycloak token introspection, solving secure access and validation problems for protected tools and resources. It takes in authentication requests and returns validated tokens, enabling secure boundary protection. Ideal for use cases requiring robust authentication and authorization mechanisms, such as safeguarding sensitive tools and data.

Canonical page: https://skillsregistry.net/skills/kabirrajsingh-mcp-server-auth-js  
JSON: https://api.skillsregistry.net/v1/skills/kabirrajsingh-mcp-server-auth-js

## Description

Demonstrates MCP remote authentication boundary with OAuth 2.0, Keycloak token introspection, audience and scope validation, and protected tools.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/s9n45pxa05)
- **Repository:** <https://github.com/kabirrajsingh/mcp-server-auth-js>

## 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": "kabirrajsingh-mcp-server-auth-js"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kabirrajsingh-mcp-server-auth-js` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kabirrajsingh-mcp-server-auth-js/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