# MCP Auth Server

> Use this tool when you need to securely manage access to model execution and prompt handling with fine-grained role-based control. The MCP Auth Server implements JWT authentication over HTTP, enabling secure tool execution and access management. Ideal for use cases requiring authenticated and authorized model interactions, it provides a robust interface for inputs such as user credentials and outputs like authenticated tokens.

Canonical page: https://skillsregistry.net/skills/christian-posta-mcp-auth-step-by-step  
JSON: https://api.skillsregistry.net/v1/skills/christian-posta-mcp-auth-step-by-step

## Description

A Model Context Protocol (MCP) server with HTTP transport that implements JWT authentication, allowing secure tool execution and prompt handling with role-based access control.

## Trust

- **Trust score (0–1):** 0.58
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/suk9w4cnzc)
- **Repository:** <https://github.com/christian-posta/mcp-auth-step-by-step>

## 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": "christian-posta-mcp-auth-step-by-step"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/christian-posta-mcp-auth-step-by-step` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/christian-posta-mcp-auth-step-by-step/pull`

---
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