About io.github.markmnl/fmsg-mcp
io.github.markmnl/fmsg-mcp is an MCP server published by markmnl in the Developer Tools category: send and receive fmsg federated messages from any AI agent via a deployed fmsg Web API.
The repository has 4 stars and 1 forks, with the last commit 5 days ago. Recent commit activity is the strongest signal that reported issues will get attention.
Install
claude mcp add io-github-markmnl-fmsg-mcp -- npx -y @markmnl/fmsg-mcpnpx -y @markmnl/fmsg-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 (15)
add_recipientsAdd recipients to a sent message
Parameters not published.
delivery_statusPer-recipient delivery times and host response codes
Parameters not published.
download_attachmentFetch a small attachment inline: text as text, images as image blocks, other files as base64 resources
Parameters not published.
get_messageOne message with headers, full text body, attachments and reactions
Parameters not published.
get_threadThe lineage from the thread root to a message, with gaps for messages you cannot see
Parameters not published.
list_messagesInbox, newest first, with previews; reactions hidden; optional unread filter
Parameters not published.
list_sentSent messages with per-recipient delivery state
Parameters not published.
mark_readMark received messages read
Parameters not published.
reactSet or clear your emoji reaction
Parameters not published.
replyReply into a thread; reply-all by default, refuses terminal and no-reply parents
Parameters not published.
Show all 15 tools
resolve_addressTurn a short name into `@user@domain` (directory, then default domain)
Parameters not published.
save_attachmentStream an attachment to the configured local folder; stdio only, enabled by `FMSG_MCP_DOWNLOAD_DIR`
Parameters not published.
send_messageStart a new thread; sends immediately (fmsg messages are immutable)
Parameters not published.
wait_for_messageBlock until the next inbound message (WebSocket push), batched per thread, with thread context
Parameters not published.
whoamiThe address this server acts as, the API URL and token expiry
Parameters not published.
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