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mcp-gsheets MCP Server

MCP server for Google Sheets API — read, write, format, batch operations.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled mcp-gsheets yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as mcp-gsheets on npm. Runs locally.

Known issues

5 problems reported by people outside the maintainer team. Issues filed by the project's own maintainers are excluded.

Most discussed

sheets_append_values tool schema is invalid: nested array is missing items

Summary

The sheets_append_values MCP tool exposes an invalid input schema for the values parameter.

VS Code rejects the tool with:

Error: tool parameters array type must have items

Observed behavior

When the server is loaded, the tool cannot be verified by the client:

Cannot verify tool mcp_google_sheets_sheets_append_values: Error: tool parameters array type must have items

As a result, the sheets_append_values tool is unavailable.

Root cause

In the distributed build (`

Read the thread · 2026-04-15 · closed · outside contributor · 2 comments

1.10.1: five tools publish invalid JSON Schema, clients reject every request

Summary

mcp-gsheets@1.10.1 publishes an inputSchema that is not valid JSON Schema for 5 tools. Clients that validate tool definitions against JSON Schema draft 2020-12 reject the entire request, not just the offending tool, so the server takes down every tool at once as soon as it is loaded.

On Claude Code the session dies immediately and stays dead:

API Error: 400 tools.15.custom.input_schema: JSON schema is invalid.
It must match JSON Schema draft 2020-12

The error only

Read the thread · 2026-08-11 · closed · outside contributor · 0 comments

Data overwriting instead of inserting new rows when appending values

Problem Description

When using the sheets_append_values tool to add data to a spreadsheet, the default behavior overwrites existing data instead of inserting new rows. This can lead to unintended data loss when users expect new rows to be created.

Current Behavior

  • The sheets_append_values tool uses OVERWRITE as the default value for insertDataOption
  • This causes new data to replace existing empty cells at the end of the table
  • Users expecting row insertion behavior (like in

Read the thread · 2025-08-25 · closed · 0 comments

Add support for Service Account JSON in environment variable

Currently, the MCP Google Sheets server only supports authentication via a service account key file path (GOOGLE_APPLICATION_CREDENTIALS). This can be limiting in certain deployment scenarios (Docker containers, serverless environments, CI/CD pipelines) where managing files is inconvenient or not possible.

Feature Request: Add support for providing the service account credentials directly as a JSON string in an environment variable.

Proposed Implementation:

  • Add a new environment va

Read the thread · 2025-07-09 · closed · 0 comments

MCP-gsheets Improvements and Feature Requests

MCP-gsheets Improvements and Feature Requests

Summary

Based on extensive usage of mcp-gsheets for creating and formatting travel itineraries, I've identified several areas for improvement related to link handling, date formatting, and overall user experience.

Issues Identified

1. Link Formatting Improvements

Current Issue:

Read the thread · 2025-07-01 · closed · 0 comments

Firsthand observations

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For agents

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