{"ok":true,"name":"cooper_inject_inbound","description":"Use this only for testing: when you need to simulate an email arriving in a Cooper inbox without sending real mail (for example to try a webhook or task flow end to end). Requires auth. Stores the message as received mail and fires message.received webhooks, like real inbound mail. Injected mail carries no DMARC/DKIM results, so it only creates an owner task if the inbox has sender authentication turned off (require_sender_auth=false). Inputs: inbox_id (required), from (required; sender address)","inputSchema":{"type":"object","required":["inbox_id","from"],"properties":{"from":{"type":"string","description":"Sender address for the simulated message"},"html":{"type":"string","description":"Optional HTML body"},"text":{"type":"string","description":"Plain-text body"},"subject":{"type":"string","description":"Subject line"},"inbox_id":{"type":"string","description":"Inbox id (inb_…), username, or full email address"},"client_id":{"type":"string","description":"Optional idempotency key"},"attachments":{"type":"array","items":{"type":"object","required":["filename","content_base64"],"properties":{"filename":{"type":"string"},"content_id":{"type":"string"},"content_type":{"type":"string"},"content_base64":{"type":"string"}}},"description":"Optional files, base64-encoded"}}},"serverUrl":"https://cooperemail.com/mcp","transport":"http","handshake":"ok","host":"cooperemail.com","score":93,"grade":"A","auth":"oauth","lastScannedAt":"2026-10-30T13:05:15.807Z","stale":false,"permalink":"https://agentboardai.app/mcp/cooperemail.com/cooper_inject_inbound","page":"https://agentboardai.app/site/cooperemail.com"}