Mailyond
Server Details
Read, reply to and send email across every domain you connect to Mailyond, via API key over HTTP.
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-03-26
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 5 tools
Each tool has a clearly distinct role: listing domains, listing conversations, reading one conversation, replying within a thread, and sending a new email. The two sending tools are explicitly differentiated, with guidance to use reply_to_conversation for existing mail and send_email for new mail.
All tool names follow a consistent snake_case verb_noun pattern: get_conversation, list_conversations, list_domains, reply_to_conversation, send_email. The convention is predictable and readable across the entire set.
Five tools is well-scoped for focused email conversation management. Each tool earns its place by covering a distinct step in the read-send workflow without bloat.
The core lifecycle is covered: discover domains, list conversations, read a conversation, reply in-thread, and send new mail. Some secondary operations such as search, forwarding, attachments, or marking read/archive are absent, but agents can still handle primary email workflows.
Available Tools
5 toolsget_conversationAInspect
Read a full conversation: every message in it, oldest context included, as plain text. containsHtml: true means the message also has an HTML version whose links and formatting the text may lack; call again with includeHtml when you need them. Pass the id from list_conversations. Reading does not mark anything as read. A conversation with spam: true cannot be replied to, and only a person can mark it Not spam in the Mailyond dashboard, so point out anything that looks like a real message caught as spam.
Inputs: id (required), includeHtml.
list_conversationsAInspect
List email conversations across every domain on this account, newest first. Use it to find replies and other mail that came in, or mail that has not been answered. Returns one entry per conversation with its latest message. The default inbox folder holds conversations with received mail; spam and conversations we only sent to are left out unless you ask for that folder.
Inputs: limit, cursor, domain, folder, +2 more.
list_domainsAInspect
List the domains this API key can read and send on, with their verification status. Call this first when you need a domain name for another tool.
Inputs: no named parameters.
reply_to_conversationAInspect
Reply inside an existing conversation. The from address is the connected domain the conversation is already on, and threading headers are set automatically. Leave "to" empty to reply to whoever wrote in. Ask the user before sending anything they have not seen.
Inputs: id (required), text (required), cc, to.
send_emailAInspect
Send a new email from one of your connected domains. Use list_domains to see which from addresses are available. For answering existing mail use reply_to_conversation instead, so the thread stays intact. Ask the user before sending anything they have not seen.
Inputs: to (required), from (required), text (required), subject (required), +2 more.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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