Pylos MCP server

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

• create_draftwrite action

  Save a draft to the Drafts folder. This server is configured to save drafts without recipients:

• delete_emailwrite action

  Move a message to the Trash folder. This never erases the message: it stays in Trash until removed

• get_attachment

  Download one attachment to the configured download directory and report where it landed.

• get_emailwrite action

  Read one message: envelope metadata plus the body as plain text, truncated at … kB.

• get_sieve_script

  Read one Sieve filter script by name, as stored on the mail server. Use list_sieve_scripts for the

• list_folders

  List the mailbox folders with their message counts.

• list_sieve_scripts

  List the Sieve filter scripts stored on the mail server, marking the active one. Read-only:

• move_emailwrite action

  Move a message to another folder in the same mailbox. Succeeds only once the server confirms the

• search_emails

  Search the mailbox. Returns metadata only (no message bodies), newest first. …

• send_emailwrite action

  Send an email. This transmits the message to external recipients immediately through the

• set_flags

  Mark a message read/unread and/or flagged/unflagged. Provide at least one of seen or flagged.

• Code scan31 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 19 days ago15/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Pylos: common questions

Is Pylos MCP server safe?

Mostly: it is graded B (83/100). Read the Pylos safety report

How do I install Pylos?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Pylos need an API key?

Yes. The registry entry asks for EMAIL_PASSWORD.

Is Pylos maintained?

The last commit was 19 days ago (2026-09-01). The latest release is v0.2.0.

What can I use instead of Pylos?

Servers from other publishers that do the same job: Mails.ai — Agent Email MCP server, MCP Emails MCP server and Fluxmail MCP server. Compare all Pylos alternatives.