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Google Calendar MCP server

by pulsemcp.com·com.pulsemcp/google-calendar·v0.0.13·80 stars
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MCP server for Google Calendar integration with service account support and domain-wide delegation.

A85/100grade A
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Safety scan
A85/100

full report

Adoption
Growing

80 stars70 downloads/wk

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Google Calendar tools (7, 3 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • create_calendar_eventwrite action

    Creates a new event in Google Calendar.

  • delete_calendar_eventwrite action

    Deletes an event from Google Calendar.

  • get_calendar_event

    Retrieves detailed information about a specific calendar event by ID.

  • list_calendar_events

    Lists events from a Google Calendar within an optional time range.

  • list_calendars

    Lists all calendars available to the authenticated user.

  • query_calendar_freebusy

    Queries free/busy information for one or more calendars within a specified time range.

  • update_calendar_eventwrite action

    Updates an existing event in Google Calendar.

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

no findings
  • Code scan47 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 27 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Google Calendar compares

Against every graded Productivity MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
85/100
higher than 65% of 1,299 Productivity servers
Tools
7
the typical Productivity server has 7
Tools that change things
43%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
80
more than 91% of 854 Productivity servers
Downloads a week
70
more than 48% of 427 Productivity servers with a package

What its tools let an agent do: 4 read · 1 create · 1 change · 1 delete

Install Google Calendar in Claude Code, Cursor or VS Code

Runs npx -y google-calendar-workspace-mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add google-calendar -- npx -y google-calendar-workspace-mcp-server
Add to Cursor

What the publisher says

From the Google Calendar repository's README, as published. We do not edit it. Read it on GitHub

PulseMCP's MCP Servers

We build reliable servers thoughtfully designed for MCP Client-powered workflows.

Design principles

You can have confidence that any Pulse-branded MCP server was built with these north stars in mind:

  1. Purpose-built. LLM-powered MCP clients offer uniquely new user interaction patterns that necessitate a different layer of abstraction than the REST API's from a pre-AI era. We thoughtfully scope drawing lines like building a new server, versus incorporating a new feature in another server. Or deciding where one slew of REST API endpoints might be better packaged as a single Tool call. And more.
  2. Easy set up. Many MCP servers die before ever getting a chance to be used. We offer guides and a frustration-free experience to get going with our MCP servers inside your favorite MCP clients.
  3. Time savings. By minimizing the number of tool chain steps or conversational turns you need to accomplish a task, our MCP servers will save you (and your agents) time waiting for a task to be completed.
  4. Inference cost savings. By minimizing the number of tokens you need to consume to a accomplish a task, our MCP servers will save you on your LLM inference bills.
  5. Reliability. You should have confidence that you can deploy our servers in a production application serving mass market consumers or business clients.
  6. Future-proof. We sit on the bleeding edge of the MCP specification, working to push the ecosystem forward. As such, you can be sure that if you commit to baking our server into your workflow, it will self-improve over time to take advantage of the latest and greatest MCP features.

Servers Available

Productionized Servers

These are PulseMCP-branded servers that we intend to maintain indefinitely as our own offerings.

The MCP Registry column controls whether the server is published to the official MCP Registry (com.pulsemcp/) by the publish-mcp-registry.yml workflow.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Google Calendar: common questions

Is Google Calendar MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the Google Calendar safety report
How do I install Google Calendar?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Google Calendar need an API key?
Yes. The registry entry asks for GCAL_SERVICE_ACCOUNT_PRIVATE_KEY.
Is Google Calendar maintained?
The last commit was 66 days ago (2026-08-30). The latest release is v0.0.13.
What can I use instead of Google Calendar?
Servers from other publishers that do the same job: Agent-Native Calendar MCP server, Google Drive MCP server and gflow-cli MCP server.
How does Google Calendar compare with other Productivity MCP servers?
safety score 85/100 (higher than 65% of 1,299 Productivity servers); tools 7 (the typical Productivity server has 7); tools that change things 43% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Google Calendar

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