// MCP TOOL REFERENCE

GMAIL OSIRIS TOOLS

12 tools from the Gmail Osiris MCP Server, categorised by risk level.

READ TOOLS

fetchEmails Fetch emails from Gmail inbox with optional search query and filters 2/5 get_emails_by_context Search emails by context or keywords in subject, body, or both get_emails_by_date Get emails within a specific date range get_emails_by_thread Get all emails in a specific Gmail thread get_emails_from_user Get emails from a specific sender email address get_latest_emails Get the most recent emails from Gmail, optionally including read emails get_starred_emails Get all starred emails, optionally filtered by date get_unread_emails Get all unread emails, optionally filtered by date search_email Advanced Gmail search using Gmail search operators. Supports complex queries like "from:example@gmail.com has:attachment after:2023/01/01" 2/5

WRITE TOOLS

create_draft_email Create a draft email that can be reviewed and sent later 2/5 send_email Send an email through Gmail with support for CC, BCC, and HTML content 2/5 send_email_reply Reply to an existing email message 2/5

// FAQ

How many tools does the Gmail Osiris MCP server have? +

The Gmail Osiris MCP server exposes 12 tools across 2 categories: Read, Write.

How do I enforce policies on Gmail Osiris tools? +

Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Gmail Osiris server.

What risk categories do Gmail Osiris tools fall into? +

Gmail Osiris tools are categorised as Read (9), Write (3). Each category has a recommended default policy.

Enforce policies on Gmail Osiris

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept

github.com/policylayer/intercept →