@aiwerk/mcp-server-cal

What you can do with @aiwerk/mcp-server-cal

@aiwerk/mcp-server-cal is a Model Context Protocol (MCP) server published by aiwerk. It ranks #68,338 of 144,396 active servers on MCP Toplist. @aiwerk/mcp-server-cal is listed across 3 registries — Official MCP, Glama and PulseMCP, with 1 tracked version. It was first listed on May 29, 2026 and most recently updated on Jun 22, 2026.

What @aiwerk/mcp-server-cal can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

What you need before using @aiwerk/mcp-server-cal

Connect @aiwerk/mcp-server-cal and confirm it works

claude mcp add mcp-server-cal -e "CAL_API_KEY=<your CAL_API_KEY>" -- npx -y @aiwerk/mcp-server-cal

[mcp_servers.mcp-server-cal]
command = "npx"
args = ["-y", "@aiwerk/mcp-server-cal"]

[mcp_servers.mcp-server-cal.env]
CAL_API_KEY = "<your CAL_API_KEY>"

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<your CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<your CAL_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-server-cal": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<your CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<your CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<your CAL_API_KEY>"
      }
    }
  }
}

When to choose another server

• @aiwerk/mcp-server-vault#27,803
• @aiwerk/mcp-server-elevenlabs#44,587
• @aiwerk/mcp-server-wheel-size#68,339
• Wise MCP Server#68,340
• @aiwerk/mcp-server-clawhub#70,193
• @aiwerk/mcp-server-imap#70,194
• shopify#70,195
• @aiwerk/mcp-server-swiss-company#81,559
• MCP Catalog#105,456
• mcp-server-smallinvoice#109,295
• @aiwerk/mcp-server-bexio#131,338
• @aiwerk/mcp-server-ghl#131,339

No task-specific alternatives are catalogued for @aiwerk/mcp-server-calyet; the list above is its publisher's other servers.

What changed, and when this was checked

First listed

May 29, 2026

Latest version published

Jun 22, 2026

Version history

1 version tracked (below)

Requirements evidence

Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Profile checked

Not yet — purpose, capabilities and requirements above come from registry data only

Ranking data as of

Oct 16, 2026

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