Building a MCP Client in Google Apps Script
Learn how to communicate with Model Context Protocol (MCP) servers using Apps Script and UrlFetchApp. Incorporate the MCP client into Vertex AI tool calling.
About
I'm a Developer Relations Engineer at Google, focusing on Google Workspace. My work involves creating tools and supporting the open-source community.
Before Google, I had the opportunity to work with geospatial data at Descartes Labs and the US Geological Survey.
When I'm not coding, I'm usually running long distances in the mountains of Colorado.
Topics
Lead Story
Abandon Git LFS because AI Agents
| git-lfs, jules, automation, devops, git, ai, google, sandbox, code, security
Git LFS causes fatal errors in AI agents like Jules due to proxy conflicts and hook limitations. Learn why I abandoned LFS and migrated back to standard Git.
Using Gemini in Apps Script
Learn how to use the new built-in Vertex AI Advanced Service in Google Apps Script to access Gemini models directly, without the need for complex UrlFetchApp calls.
Currentonly Scopes in Google Apps Script
Learn about the @OnlyCurrentDoc annotation and currentonly scopes in Google Apps Script. Understand why and how to use them, along with their critical limitations regarding Advanced Services and external APIs.
2026 Crazy Mountain 100
I'm running the Crazy Mountain 100 in 2026! It's a rugged 100 miler in Montana that serves as a Hardrock qualifier.
Resolve Chat User IDs to Emails: Least Privilege
Securely resolve Google Chat User IDs to emails without Domain-Wide Delegation. Use Service Account Impersonation and custom Admin roles.
Apps Script CacheService: Unofficial Documentation and Limits
The unofficial documentation for the Apps Script CacheService. Learn about key/value constraints, size limits, and the undocumented FIFO batch eviction policy.
UrlFetchApp: The Unofficial Documentation
The unofficial guide to Google Apps Script UrlFetchApp. Master authentication, fetchAll for parallelism, web scraping, and debugging "Address Unavailable".
Secure Secrets in Google Apps Script
Do not hardcode secrets in Google Apps Script. Use Properties Service or Google Cloud Secret Manager.
Securing Gmail AI Agents against Prompt Injection with Model Armor
Securing Gmail AI agents against Prompt Injection and untrusted content using Google Cloud Model Armor.
Google Workspace Developer Tools MCP Server
Announcing the new MCP server for Google Workspace Developer Tools, providing AI agents with access to official documentation and API snippets.
React Wrapper for Google Drive Picker
Announcing the new React component for the Google Drive Picker, wrapping usage of the web component for easier integration.
Google Workspace Developer Tools VS Code Extension
Announcing the new Google Workspace Developer Tools extension for VS Code, working with Antigravity and providing OAuth2 scope linting and MCP support.
Google Drive Picker TypeScript - Types Updated
Last week I submitted a pull request to the DefinitelyTyped repository for the Google Drive Picker API. Not a big deal in itself, but these types are generated from the same source as the Google Drive Picker reference documentation and should be more correct and consistent than the community types that were previously in the DefinitelyTyped repository.
Google Forms - title vs name vs documentTitle
Recently I had to clarify some confusion around the title and name of a Google Form. Here is a quick explanation of the difference between the two.
Convert docx to Google Docs with Apps Script
Programmatically convert, open, and edit Microsoft Word .docx files in Google Apps Script using the Drive API and DocumentApp.
Google Workspace Developer Summits - 2024 - Boston and Berlin
Save the date for the Google Workspace Developer Summits in 2024! Boston - September 12, 2024 and Berlin - September 17, 2024.
Google Sheets API - IMPORT / Image - Bypass User Consent
Use the Spreadsheets v4 API to set the importFunctionsExternalUrlAccessAllowed property to true and allow access to external URLs without requiring user consent.
How do I get access to the chrome.sidePanel API from the latest manifest v3? - Stack Overflow
Link shared about: How do I get access to the chrome.sidePanel API from the latest manifest v3? - Stack Overflow
Apps Script and WebAssembly - A comprehensive guide
You can use WebAssembly with Google Apps Script! This post will cover how to do that and provide a comprehensive guide on how to get started.
Alfalfa Uses More Water Than All Cities, Industries in Colorado River Basin
Link shared about: Alfalfa Uses More Water Than All Cities, Industries in Colorado River Basin
Race Results
- TrailRun 163.50 km 5553 m
- TrailRun 20.15 km 712 m
- TrailRun 173.22 km 6428 m
- TrailRun 147.63 km 9507 m
- TrailRun 161.39 km 6705 m
- TrailRun 99.78 km 1693 m
- TrailRun 391.21 km 9436 m
- TrailRun 43.95 km 1485 m
- Run 53.46 km 1344 m
- Run 77.68 km 1427 m
Running Tracker (km)
Year-to-Date Distance: 192.4 km