---
bezeichner: "io.github.AIWerk/mcp-server-cal"
art: "mcp_server"
slug: "io-github-aiwerk-mcp-server-cal"
paketkoordinate: "npm:@aiwerk/mcp-server-cal"
status: "aktiv"
homepage: "https://aiwerkmcp.com/servers/cal/"
erhebungsstand: "2026-10-12T01:17:02.346Z"
namensraum: "io.github.AIWerk"
registerseite: "https://tracevero.com/mcp/io-github-aiwerk-mcp-server-cal"
abgerufen_am: "2026-10-12"
zugangsdaten_erforderlich: true
ausfuehrungsort: "lokal"
dateisystem_pfadargument: false
quelloffen_einsehbar: true
roh_beschreibung: "Cal.com scheduling MCP server: manage bookings, event types, and availability."
version: "1.0.6"
roh_umgebungsvariablen: "CAL_API_KEY"
roh_geheime_pflichtvariablen: "CAL_API_KEY"
roh_transportarten: "stdio"
roh_pfadargumente: ""
roh_repository_url: "https://github.com/AIWerk/mcp-server-cal"
roh_paketquellen: "npm"
roh_geheime_pflichtkopfzeilen: ""
roh_pfad_umgebungsvariablen: ""
roh_remote_adressen: ""
roh_remote_hosts: ""
roh_statusmeldung: ""
roh_veroeffentlicht_am: "2026-06-22"
roh_aktualisiert_am: "2026-06-22"
roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"
roh_bereitstellungsform: "paket"
roh_repository_quelle: "github"
roh_repository_unterordner: ""
roh_paketbezeichner: "@aiwerk/mcp-server-cal"
roh_paketversionen: "1.0.6"
roh_laufzeithinweise: ""
roh_umgebungsformate: "string"
roh_umgebungsbeschreibungen: "CAL_API_KEY=Cal.com API key (prefix cal_ or cal_live_). Create one at Cal.com Settings > Security > API Keys."
roh_symbolformate: ""
roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"@aiwerk/mcp-server-cal\",\"version\":\"1.0.6\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CAL_API_KEY\",\"description\":\"Cal.com API key (prefix cal_ or cal_live_). Create one at Cal.com Settings > Security > API Keys.\",\"format\":\"string\",\"required\":true,\"secret\":true}],\"additional_arguments_declared\":false}],\"remotes\":[]}"
---

# io.github.AIWerk/mcp-server-cal

## Measured values

| Property | Value | Source | Collected on | Level of trust | Raw declaration |
| --- | --- | --- | --- | --- | --- |
| Required secrets declared | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_geheime_pflichtvariablen: CAL_API_KEY; roh_geheime_pflichtkopfzeilen: |
| Execution location | lokal | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: stdio |
| Path argument present | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: |
| Repository URL listed | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: https://github.com/AIWerk/mcp-server-cal |
| Description (raw) | Cal.com scheduling MCP server: manage bookings, event types, and availability. | MCP-Register | 2026-08-26T16:45:01.514Z | selbstauskunft |  |
| Declared version | 1.0.6 | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Environment variables (raw) | CAL_API_KEY | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret variables (raw) | CAL_API_KEY | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Transports (raw) | stdio | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Path arguments (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Repository (raw) | https://github.com/AIWerk/mcp-server-cal | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Package registries (raw) | npm | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret headers (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Path environment variables (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote URLs (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote hosts (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Registry status message (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| First listed in the registry (raw) | 2026-06-22 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Last changed in the registry (raw) | 2026-06-22 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Delivery form (raw) | paket | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository platform (raw) | github | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository subfolder (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package identifiers (raw) | @aiwerk/mcp-server-cal | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package versions (raw) | 1.0.6 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Runtime hints (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable formats (raw) | string | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable descriptions (raw) | CAL_API_KEY=Cal.com API key (prefix cal_ or cal_live_). Create one at Cal.com Settings > Security > API Keys. | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Icon formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Connection paths (source structure) | {"packages":[{"registryType":"npm","identifier":"@aiwerk/mcp-server-cal","version":"1.0.6","transport":"stdio","environment":[{"name":"CAL_API_KEY","description":"Cal.com API key (prefix cal_ or cal_live_). Create one at Cal.com Settings > Security > API Keys.","format":"string","required":true,"secret":true}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-08T01:17:01.649Z | selbstauskunft |  |

## Links

- Namespace: [[namensraum/io-github-aiwerk|io.github.AIWerk]]

---

- Registry page: <https://tracevero.com/mcp/io-github-aiwerk-mcp-server-cal>
- Retrieved on: 2026-10-12