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BytesAgain › Skills › Google Calendar
🦀 ClawHub

Google Calendar

by @adrianmiller99

Interact with Google Calendar via the Google Calendar API – list upcoming events, create new events, update or delete them. Use this skill when you need programmatic access to your calendar from OpenClaw.

Versionv0.1.0
Downloads16,703
Installs118
Stars⭐ 11
#legal#communication
TERMINAL
clawhub install google-calendar

📖 About This Skill

name: google-calendar description: Interact with Google Calendar via the Google Calendar API – list upcoming events, create new events, update or delete them. Use this skill when you need programmatic access to your calendar from OpenClaw.

Google Calendar Skill

Overview

This skill provides a thin wrapper around the Google Calendar REST API. It lets you:
  • list upcoming events (optionally filtered by time range or query)
  • add a new event with title, start/end time, description, location, and attendees
  • update an existing event by its ID
  • delete an event by its ID

    • The skill is implemented in Python (scripts/google_calendar.py). It expects the following environment variables to be set (you can store them securely with openclaw secret set): 

    GOOGLE_CLIENT_ID=…
GOOGLE_CLIENT_SECRET=…
GOOGLE_REFRESH_TOKEN=…   # obtained after OAuth consent
GOOGLE_CALENDAR_ID=primary   # or the ID of a specific calendar
    The first time you run the skill you may need to perform an OAuth flow to obtain a refresh token – see the Setup section below.

    Commands

    google-calendar list [--from  --to  --max ]
google-calendar add   --title  [--start <ISO> --end <ISO>]
                     [--desc <description> --location <loc> --attendees <email1,email2>]
google-calendar update --event-id <id> [--title <title> ... other fields]
google-calendar delete --event-id <id>
</code></pre>
All commands return a JSON payload printed to stdout. Errors are printed to stderr and cause a non‑zero exit code.</p><p style="margin:8px 0"><h3 style="color:#e5e7eb;margin:18px 0 8px;font-size:1.05em">Setup</h3>
1. <strong style="color:#e5e7eb">Create a Google Cloud project</strong> and enable the *Google Calendar API*.
2. <strong style="color:#e5e7eb">Create OAuth credentials</strong> (type *Desktop app*). Note the <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">client_id</code> and <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">client_secret</code>.
3. Run the helper script to obtain a refresh token:
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   GOOGLE_CLIENT_ID=… GOOGLE_CLIENT_SECRET=… python3 -m google_calendar.auth
   </code></pre>
   It will open a browser (or print a URL you can open elsewhere) and ask you to grant access. After you approve, copy the <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">refresh_token</code> it prints.
4. Store the credentials securely:
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   openclaw secret set GOOGLE_CLIENT_ID <value>
   openclaw secret set GOOGLE_CLIENT_SECRET <value>
   openclaw secret set GOOGLE_REFRESH_TOKEN <value>
   openclaw secret set GOOGLE_CALENDAR_ID primary   # optional
   </code></pre>
5. Install the required Python packages (once):
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   pip install --user google-auth google-auth-oauthlib google-api-python-client
   </code></pre></p><p style="margin:8px 0"><h3 style="color:#e5e7eb;margin:18px 0 8px;font-size:1.05em">How it works (brief)</h3>
The script loads the credentials from the environment, refreshes the access token using the refresh token, builds a <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">service = build('calendar', 'v3', credentials=creds)</code>, and then calls the appropriate API method.</p><p style="margin:8px 0"><h3 style="color:#e5e7eb;margin:18px 0 8px;font-size:1.05em">References</h3>
<li style="color:#94a3b8;margin:3px 0">Google Calendar API reference: https://developers.google.com/calendar/api/v3/reference</li>
<li style="color:#94a3b8;margin:3px 0">OAuth 2.0 for installed apps: https://developers.google.com/identity/protocols/oauth2/native-app</li></p><p style="margin:8px 0"><hr style="border:none;border-top:1px solid #1e1e3f;margin:12px 0"></p><p style="margin:8px 0"><strong style="color:#e5e7eb">Note:</strong> This skill does not require a GUI; it works entirely via HTTP calls, so it is suitable for headless servers.
</p></div></section><section class="skill-card" style="margin-bottom:20px"><h2 style="color:#f8fafc;font-size:1.2em;font-weight:800;margin:0 0 16px;display:flex;align-items:center;gap:8px">⚙️ Configuration</h2><div style="font-size:.92em;color:#94a3b8;line-height:1.75"><p style="margin:8px 0">1. <strong style="color:#e5e7eb">Create a Google Cloud project</strong> and enable the *Google Calendar API*.
2. <strong style="color:#e5e7eb">Create OAuth credentials</strong> (type *Desktop app*). Note the <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">client_id</code> and <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">client_secret</code>.
3. Run the helper script to obtain a refresh token:
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   GOOGLE_CLIENT_ID=… GOOGLE_CLIENT_SECRET=… python3 -m google_calendar.auth
   </code></pre>
   It will open a browser (or print a URL you can open elsewhere) and ask you to grant access. After you approve, copy the <code style="background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em">refresh_token</code> it prints.
4. Store the credentials securely:
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   openclaw secret set GOOGLE_CLIENT_ID <value>
   openclaw secret set GOOGLE_CLIENT_SECRET <value>
   openclaw secret set GOOGLE_REFRESH_TOKEN <value>
   openclaw secret set GOOGLE_CALENDAR_ID primary   # optional
   </code></pre>
5. Install the required Python packages (once):
   <pre style="background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0"><code style="color:#a5f3fc;background:none;padding:0;font-size:1em">   pip install --user google-auth google-auth-oauthlib google-api-python-client
   </code></pre></p></div></section></div><div class="two-col-side"></div></div></div><script>
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Use this skill when you need programmatic access to your calendar from OpenClaw.\n\u003chr style=\"border:none;border-top:1px solid #1e1e3f;margin:12px 0\"\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch2 style=\"color:#f3f4f6;margin:20px 0 10px;font-size:1.15em\"\u003eGoogle Calendar Skill\u003c/h2\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch3 style=\"color:#e5e7eb;margin:18px 0 8px;font-size:1.05em\"\u003eOverview\u003c/h3\u003e\nThis skill provides a thin wrapper around the Google Calendar REST API. It lets you:\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003e\u003cstrong style=\"color:#e5e7eb\"\u003elist\u003c/strong\u003e upcoming events (optionally filtered by time range or query)\u003c/li\u003e\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003e\u003cstrong style=\"color:#e5e7eb\"\u003eadd\u003c/strong\u003e a new event with title, start/end time, description, location, and attendees\u003c/li\u003e\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003e\u003cstrong style=\"color:#e5e7eb\"\u003eupdate\u003c/strong\u003e an existing event by its ID\u003c/li\u003e\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003e\u003cstrong style=\"color:#e5e7eb\"\u003edelete\u003c/strong\u003e an event by its ID\u003c/li\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003eThe skill is implemented in Python (\u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003escripts/google_calendar.py\u003c/code\u003e). It expects the following environment variables to be set (you can store them securely with \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eopenclaw secret set\u003c/code\u003e):\n\u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003eGOOGLE_CLIENT_ID=…\nGOOGLE_CLIENT_SECRET=…\nGOOGLE_REFRESH_TOKEN=…   # obtained after OAuth consent\nGOOGLE_CALENDAR_ID=primary   # or the ID of a specific calendar\n\u003c/code\u003e\u003c/pre\u003e\nThe first time you run the skill you may need to perform an OAuth flow to obtain a refresh token – see the \u003cstrong style=\"color:#e5e7eb\"\u003eSetup\u003c/strong\u003e section below.\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch3 style=\"color:#e5e7eb;margin:18px 0 8px;font-size:1.05em\"\u003eCommands\u003c/h3\u003e\n\u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003egoogle-calendar list [--from \u003cISO\u003e --to \u003cISO\u003e --max \u003cN\u003e]\ngoogle-calendar add   --title \u003ctitle\u003e [--start \u003cISO\u003e --end \u003cISO\u003e]\n                     [--desc \u003cdescription\u003e --location \u003cloc\u003e --attendees \u003cemail1,email2\u003e]\ngoogle-calendar update --event-id \u003cid\u003e [--title \u003ctitle\u003e ... other fields]\ngoogle-calendar delete --event-id \u003cid\u003e\n\u003c/code\u003e\u003c/pre\u003e\nAll commands return a JSON payload printed to stdout. Errors are printed to stderr and cause a non‑zero exit code.\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch3 style=\"color:#e5e7eb;margin:18px 0 8px;font-size:1.05em\"\u003eSetup\u003c/h3\u003e\n1. \u003cstrong style=\"color:#e5e7eb\"\u003eCreate a Google Cloud project\u003c/strong\u003e and enable the *Google Calendar API*.\n2. \u003cstrong style=\"color:#e5e7eb\"\u003eCreate OAuth credentials\u003c/strong\u003e (type *Desktop app*). Note the \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eclient_id\u003c/code\u003e and \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eclient_secret\u003c/code\u003e.\n3. Run the helper script to obtain a refresh token:\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   GOOGLE_CLIENT_ID=… GOOGLE_CLIENT_SECRET=… python3 -m google_calendar.auth\n   \u003c/code\u003e\u003c/pre\u003e\n   It will open a browser (or print a URL you can open elsewhere) and ask you to grant access. After you approve, copy the \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003erefresh_token\u003c/code\u003e it prints.\n4. Store the credentials securely:\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   openclaw secret set GOOGLE_CLIENT_ID \u003cvalue\u003e\n   openclaw secret set GOOGLE_CLIENT_SECRET \u003cvalue\u003e\n   openclaw secret set GOOGLE_REFRESH_TOKEN \u003cvalue\u003e\n   openclaw secret set GOOGLE_CALENDAR_ID primary   # optional\n   \u003c/code\u003e\u003c/pre\u003e\n5. Install the required Python packages (once):\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   pip install --user google-auth google-auth-oauthlib google-api-python-client\n   \u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch3 style=\"color:#e5e7eb;margin:18px 0 8px;font-size:1.05em\"\u003eHow it works (brief)\u003c/h3\u003e\nThe script loads the credentials from the environment, refreshes the access token using the refresh token, builds a \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eservice = build('calendar', 'v3', credentials=creds)\u003c/code\u003e, and then calls the appropriate API method.\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003ch3 style=\"color:#e5e7eb;margin:18px 0 8px;font-size:1.05em\"\u003eReferences\u003c/h3\u003e\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003eGoogle Calendar API reference: https://developers.google.com/calendar/api/v3/reference\u003c/li\u003e\n\u003cli style=\"color:#94a3b8;margin:3px 0\"\u003eOAuth 2.0 for installed apps: https://developers.google.com/identity/protocols/oauth2/native-app\u003c/li\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003chr style=\"border:none;border-top:1px solid #1e1e3f;margin:12px 0\"\u003e\u003c/p\u003e\u003cp style=\"margin:8px 0\"\u003e\u003cstrong style=\"color:#e5e7eb\"\u003eNote:\u003c/strong\u003e This skill does not require a GUI; it works entirely via HTTP calls, so it is suitable for headless servers.\n\u003c/p\u003e"])</script><script>self.__next_f.push([1,"20:[\"$\",\"div\",null,{\"className\":\"skill-page\",\"children\":[[\"$\",\"script\",null,{\"type\":\"application/ld+json\",\"dangerouslySetInnerHTML\":{\"__html\":\"{\\\"@context\\\":\\\"https://schema.org\\\",\\\"@type\\\":\\\"SoftwareApplication\\\",\\\"name\\\":\\\"Google Calendar\\\",\\\"description\\\":\\\"Interact with Google Calendar via the Google Calendar API – list upcoming events, create new events, update or delete them. 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Note the \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eclient_id\u003c/code\u003e and \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003eclient_secret\u003c/code\u003e.\n3. Run the helper script to obtain a refresh token:\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   GOOGLE_CLIENT_ID=… GOOGLE_CLIENT_SECRET=… python3 -m google_calendar.auth\n   \u003c/code\u003e\u003c/pre\u003e\n   It will open a browser (or print a URL you can open elsewhere) and ask you to grant access. After you approve, copy the \u003ccode style=\"background:#0d0d1e;color:#a5f3fc;padding:1px 5px;border-radius:3px;font-size:.88em\"\u003erefresh_token\u003c/code\u003e it prints.\n4. Store the credentials securely:\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   openclaw secret set GOOGLE_CLIENT_ID \u003cvalue\u003e\n   openclaw secret set GOOGLE_CLIENT_SECRET \u003cvalue\u003e\n   openclaw secret set GOOGLE_REFRESH_TOKEN \u003cvalue\u003e\n   openclaw secret set GOOGLE_CALENDAR_ID primary   # optional\n   \u003c/code\u003e\u003c/pre\u003e\n5. Install the required Python packages (once):\n   \u003cpre style=\"background:#0a0a1c;border:1px solid #1e1e3f;border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:.9em;margin:8px 0\"\u003e\u003ccode style=\"color:#a5f3fc;background:none;padding:0;font-size:1em\"\u003e   pip install --user google-auth google-auth-oauthlib google-api-python-client\n   \u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e"])</script><script>self.__next_f.push([1,"24:[\"$\",\"section\",null,{\"className\":\"skill-card\",\"style\":{\"marginBottom\":20},\"children\":[[\"$\",\"h2\",null,{\"style\":{\"color\":\"#f8fafc\",\"fontSize\":\"1.2em\",\"fontWeight\":800,\"margin\":\"0 0 16px\",\"display\":\"flex\",\"alignItems\":\"center\",\"gap\":8},\"children\":\"⚙️ Configuration\"}],[\"$\",\"div\",null,{\"style\":{\"fontSize\":\".92em\",\"color\":\"#94a3b8\",\"lineHeight\":1.75},\"dangerouslySetInnerHTML\":{\"__html\":\"$26\"}}]]}]\n25:[\"$\",\"div\",null,{\"className\":\"two-col-side\",\"children\":[\"$\",\"$L27\",null,{\"category\":\"clawhub\",\"currentSlug\":\"google-calendar\",\"name\":\"Google Calendar\",\"tags\":[\"legal\",\"communication\"]}]}]\n"])</script></body></html>