About Baryon — Proton Mail via Bridge
Baryon — Proton Mail via Bridge is an MCP server published by combor in the Search category: read Proton Mail and save drafts through your local Proton Mail Bridge.
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Install
git clone https://github.com/combor/baryon-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (11)
get_attachmentFetch one attachment into the conversation, up to 25 MB decoded
Parameters not published.
get_emailRead metadata, Sender/Reply-To/Bcc addresses, plain-text/HTML bodies, and attachment metadata
Parameters not published.
get_threadRead a whole conversation from one of its messages, oldest first, optionally with shortened bodies
Parameters not published.
list_attachmentsList attachment metadata without downloading content
Parameters not published.
list_emailsList messages in a folder, newest first, with cursor pagination
Parameters not published.
list_foldersList the mailbox folders this server may read
Parameters not published.
list_sender_identitiesList the addresses a draft may be sent from
Parameters not published.
save_attachmentWrite one attachment to a local file and return only its path
Parameters not published.
save_draftCreate or replace a draft with text, HTML, Bcc recipients, and attachments from base64 or local file paths
Parameters not published.
save_reply_draftSave a reply to one message as a new draft, deriving recipients, subject and threading headers
Parameters not published.
search_emailsSearch by text, sender, recipient, subject, date, or unread state
Parameters not published.
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