Sendmux Attachments | Agent Skills Atlas

About this skill

Use Sendmux attachment workflows without wasting model context on base64. Use when uploading, downloading, reading, forwarding, or sending email attachments through Sendmux MCP, CLI, SDKs, or direct HTTP, especially when choosing filepath vs presigned upload URL vs inline base64, reading inbound attachments with mailboxreadattachment, fetching short-lived downloadurl links, or attaching local files to outbound mail.

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0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: bf4b381efd3e89afef46464c0b68b948bfd3bc8eb69a6d3993fad8ae3dca77e2

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Original listing metadata

Original name

sendmux-attachments

Original description

Use Sendmux attachment workflows without wasting model context on base64. Use when uploading, downloading, reading, forwarding, or sending email attachments through Sendmux MCP, CLI, SDKs, or direct HTTP, especially when choosing file_path vs presigned upload URL vs inline base64, reading inbound attachments with mailbox_read_attachment, fetching short-lived download_url links, or attaching local files to outbound mail.

About this listing

Category: Product & design
Reported license: Not specified
Listing language (estimated): English
Review status: Not individually reviewed
Agent compatibility: Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.