Castellan
by 3x3xX3N0N
castellan — a Kotlin MCP server for the Discord REST API. 190 tools for creating and managing servers (guilds) plus full-surface coverage; pure REST, no gateway.
No known CVEs
MIT license
Maintained
Last commit 41d ago
Works with most clients
Transport: stdio
3 tools
Grade F
MCPpedia last refreshed this data
Castellan is an MCP server that castellan — a Kotlin MCP server for the Discord REST API. 190 tools for creating and managing servers (guilds) plus full-surface coverage; pure REST, no gateway. Its tool list has not been published yet over stdio, requires no API key, and scores 36/100 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 Desktopstdio · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"discord": {
"env": {
"DISCORD_BOT_TOKEN": "your-bot-token"
},
"args": [
"-jar",
"E:/dev0-0/2026/discord-mcp/build/libs/discord-mcp.jar"
],
"command": "java"
}
}
}Are you the author?
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What Castellan does
A Model Context Protocol server for the Discord REST API, written in Kotlin. (The built artifact is discord-mcp.jar.)
Test This Server
No automated test available for this server. Check the GitHub README for setup instructions.
Scored, not listed
Why this score
Five weighted categories - click any category to see the underlying evidence.
Score breakdown
36/100across 5 weighted dimensions
0255075100
14
10
−64
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
No package registry to scan.
Inventory
Tools (3)
Click any tool to inspect its schema.
Community
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Frequently Asked Questions
- Is Castellan safe to use?
- Castellan 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 Castellan?
- Castellan 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 can Castellan do?
- Castellan provides 3 tools: discord_raw_request, Prerequisites, Build. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Castellan?
- Castellan is compatible with claude-desktop, cursor, claude-code. It uses stdio transport.
- Is Castellan actively maintained?
- Castellan is recently maintained - last commit was 41 days ago. It has 3 GitHub stars.
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