What is gmail-mcp GEMINI.md?

A set of instructions for using a Gmail MCP server with Gemini. Gmail is Google's email service, and MCP lets an AI use connected tools.

Use it to send, draft, read, search, modify, and delete emails; download attachments; manage labels; and create or manage Gmail filters.

It documents the available email, label, and filter operations so an agent can handle Gmail tasks using the expected operation names.

How hahaha-saygex/gmail-mcp configures Gemini CLI

Reuse

Borrowing it

Nothing to install: this file belongs to hahaha-saygex/gmail-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/hahaha-saygex/gmail-mcp/main/GEMINI.md

Clone the repo

git clone --depth 1 https://github.com/hahaha-saygex/gmail-mcp

Made for: Gemini CLI.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/hahaha-saygex/gmail-mcp/gemini-md/github.svg)](https://agentmods.dev/instructions/hahaha-saygex/gmail-mcp/gemini-md)

Your own site

<a href="https://agentmods.dev/instructions/hahaha-saygex/gmail-mcp/gemini-md"><img src="https://agentmods.dev/badge/instructions/hahaha-saygex/gmail-mcp/gemini-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/hahaha-saygex/gmail-mcp/gemini-md"><img src="https://agentmods.dev/badge/instructions/hahaha-saygex/gmail-mcp/gemini-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,770 This file is loaded in full into every session.

When invoked 1,770 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 95% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.01770	$0.01770
Opus 5.5	$0.00708	$0.00708
Sonnet 5.5	$0.00354	$0.00354
Haiku 4.5	$0.00177	$0.00177

Measured 2mo ago against content hash 0098874514e6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gmail-mcp GEMINI.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

95% identical to gmail-mcp CLAUDE.md — 9 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

GEMINI.md · 180 lines

How it starts

The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Gmail MCP Guidelines for Gemini

Guidelines for using the Gmail MCP server with Gemini.

Available Operations

19 operations available for comprehensive Gmail management.

Email Operations (9)

send_email - Send emails with optional attachments (plain text, HTML, or multipart)
draft_email - Create email drafts with attachments support
read_email - Read email content with full MIME parsing and attachment information
search_emails - Search emails using Gmail search syntax
modify_email - Modify email labels (add/remove labels)
delete_email - Permanently delete emails
download_attachment - Download email attachments to local filesystem
batch_modify_emails - Modify labels for multiple emails in batches
batch_delete_emails - Delete multiple emails in batches

Label Management (5)

list_email_labels - List all Gmail labels (system and user)
create_label - Create a new Gmail label with visibility settings
update_label - Update label properties (name, visibility)
delete_label - Delete a user-created label
get_or_create_label - Get existing label by name or create if it doesn't exist

Filter Management (5)

create_filter - Create a custom Gmail filter with criteria and actions
list_filters - List all Gmail filters
get_filter - Get details of a specific filter
delete_filter - Delete a Gmail filter
create_filter_from_template - Create a filter using pre-built templates

Usage Guidelines

Before Operations

Verify authentication status - if authentication fails, guide user to run npm run auth
For email operations, check if message IDs are valid
For label operations, check if labels exist before creating duplicates
For filter operations, understand the user's filtering needs

Email Operations

Sending Emails

Use send_email for immediate sending
Use draft_email to create drafts for review
Support attachments by providing file paths in the attachments array
Support HTML emails with htmlBody parameter
Support multipart emails (both plain text and HTML) with mimeType: "multipart/alternative"

Read the full file on GitHub · 180 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

2mo ago First seen · 180 lines · 1,770 tokens per session scan A 0098874514e6

Subscribe to this mod's changes

gmail-mcp GEMINI.md is an instructions file published in the GitHub repository hahaha-saygex/gmail-mcp (2 stars, last pushed 1mo ago), licensed MIT. It adds 1,770 tokens to every session, about $0.0071 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 95% identical to gmail-mcp CLAUDE.md, differing in 9 lines, and is treated as a copy.

agents ai-assistant cursor email-automation email-management gemini

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gmail-mcp: Instructions file for Gemini CLI