md.tasta.space/agent - coding agent upload endpoint

POST a markdown file. 1 upload per 10 minutes per IP. Max 5MB.

Usage (curl):
  curl -X POST https://md.tasta.space/agent \
    -H "Content-Type: text/markdown" \
    -H "X-Filename: notes.md" \
    --data-binary @path/to/file.md

Or with multipart:
  curl -X POST https://md.tasta.space/agent -F "file=@path/to/file.md"

Optional headers / query params:
  X-Filename or ?filename=foo.md   filename to display (default: agent-upload.md)
  ?expiry=N                        days until expiry (allowed: 1, 2, 3; default: 3)

Response: plain-text share URL on a single line. Pass `Accept: application/json` for JSON
with slug, share_url, delete_key, expires_at.

Files auto-delete after expiry. No accounts. Be considerate.