MCP Auth Kit
@karlangas12/mcp-auth-kit · by Karlangas12
Drop-in OAuthClientProvider wrapper for @modelcontextprotocol/sdk: proactive token refresh, retried dynamic client registration, issuer-bound refresh, and resource normalization for real MCP client OAuth bugs.
No known CVEs
MIT license
Actively maintained
Last commit 1d ago
Works with most clients
Transport: sse, http
0 tools
Grade F
MCPpedia last refreshed this data
MCP Auth Kit is an MCP server that drop-in OAuthClientProvider wrapper for @modelcontextprotocol/sdk: proactive token refresh, retried dynamic client registration, issuer-bound refresh, and resource normalization for real MCP client OAuth bugs. Its tool list has not been published yet over sse and http, requires no API key, and scores 38/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients - only the file and path differ.
CD
Supported in Claude Desktopsse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"mcp-auth-kit": {
"args": [
"-y",
"@karlangas12/mcp-auth-kit"
],
"command": "npx"
}
}
}Are you the author?
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[](https://mcppedia.org/s/mcp-auth-kit)
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What MCP Auth Kit does
A drop-in wrapper for @modelcontextprotocol/sdk's OAuthClientProvider that fixes four OAuth token-lifecycle bugs currently open, unresolved, and older than 30 days across six independent MCP client codebases (verified
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y '@karlangas12/mcp-auth-kit' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories - click any category to see the underlying evidence.
Score breakdown
38/100across 5 weighted dimensions
0255075100
12
11
10
−62
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked @karlangas12/mcp-auth-kit against OSV.dev.
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Frequently Asked Questions
- Is MCP Auth Kit safe to use?
- MCP Auth Kit has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
- How do I install MCP Auth Kit?
- MCP Auth Kit supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with MCP Auth Kit?
- MCP Auth Kit is compatible with claude-desktop, cursor, claude-code. It uses sse and http transport.
- Is MCP Auth Kit actively maintained?
- MCP Auth Kit is actively maintained - last commit was 1 day ago.
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