I
io.github.AIWerk/mcp-server-cal
@aiwerk/mcp-server-cal
Cal.com scheduling MCP server: manage bookings, event types, and availability.
No known CVEs
MIT license
Actively maintained
Last commit 17d ago
Works with most clients
Transport: stdio, http
0 tools
Grade F
MCPpedia last refreshed this data
io.github.AIWerk/mcp-server-cal is an MCP server that cal.com scheduling MCP server: manage bookings, event types, and availability. Its tool list has not been published yet over stdio and http, requires no API key, and scores 57/100 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, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"cal": {
"env": {
"CAL_API_KEY": "cal_live_your_api_key_here"
},
"args": [
"@aiwerk/mcp-server-cal"
],
"command": "npx"
}
}
}Are you the author?
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What io.github.AIWerk/mcp-server-cal does
Cal.com scheduling MCP server - manage bookings, event types, and availability directly from your AI assistant.
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 '@aiwerk/mcp-server-cal' 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
57/100across 5 weighted dimensions
0255075100
23
10
14
10
−43
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked @aiwerk/mcp-server-cal against OSV.dev.
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Frequently Asked Questions
- Is io.github.AIWerk/mcp-server-cal safe to use?
- io.github.AIWerk/mcp-server-cal has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install io.github.AIWerk/mcp-server-cal?
- io.github.AIWerk/mcp-server-cal 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 io.github.AIWerk/mcp-server-cal?
- io.github.AIWerk/mcp-server-cal is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
- Is io.github.AIWerk/mcp-server-cal actively maintained?
- io.github.AIWerk/mcp-server-cal is actively maintained — last commit was 17 days ago.
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Community
Discussion
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