MCP server

Cooper Email Official

com.cooperemail/cooper-email

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Email inboxes for AI agents: send, receive, search, drafts with owner approval, and webhooks.

Website Source

At a glance

Type

MCP server

Publisher

cooperemail.com (verified by the MCP Registry)

Status

Working at last check

Tools

97

Token cost

About 38,920 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http cooper-email https://cooperemail.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.cooper-email]
url = "https://cooperemail.com/mcp"

Gemini CLI

{"mcpServers":{"cooper-email":{"httpUrl":"https://cooperemail.com/mcp"}}}

Cursor

{"mcpServers":{"cooper-email":{"url":"https://cooperemail.com/mcp"}}}

VS Code

{"servers":{"cooper-email":{"type":"http","url":"https://cooperemail.com/mcp"}}}

Antigravity

agy mcp add cooper-email https://cooperemail.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"cooper-email","server_url":"https://cooperemail.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"cooper-email","server_url":"https://cooperemail.com/mcp"}

Tools

• cooper_add_domain ~663 tokens
  Use this when the user wants mail on their own hostname and the account is on Starter or Pro. Requires auth. One call returns the SPF, DKIM, DMARC, and MX records to publish, plus a verify TXT. Inputs: domain (required hostname, such as agents.example.com), client_id (optional idempotency key). Retu
• cooper_add_owner ~268 tokens
  Use this when a human should receive the agent's progress updates by email and be able to reply with instructions. Requires auth. Sends that person one confirmation email with a link and code; they receive nothing else until they confirm. Inputs: inbox_id (required), email (required; the human's add
• cooper_assign_thread ~628 tokens
  Use this when a triage agent should hand a thread to a named assignee, or a worker should take an exclusive claim so another worker does not reply to the same thread. Requires auth. Same permission as updating thread labels. Inputs: inbox_id (required; inbox id, username, or email), thread_id (requi
• cooper_billing_status ~166 tokens
  Use this when you need to know the account's plan, how much of its monthly quota is used, or why a send or inbox create returned 402. Read-only; requires auth; no inputs. Returns {plan, plan_name, status, usage:{period, sends, inboxes}, limits:{inboxes, emails_per_month, custom_domains}, addons:{ava
• cooper_chat_history ~174 tokens
  Read earlier chat messages in both directions, oldest first inside the page. Requires auth and task_read. inbox_id is optional when the token is limited to one inbox, and required otherwise. before is an opaque cursor. limit is 1 to 100. Owner messages are instructions from the agent's verified huma
• cooper_chat_join ~148 tokens
  Join a human's Cooper chat with a pair code. Without a key, this creates an account, an inbox, and an API key (returned once). With a key, it links that key's inbox. An account-wide key must pass inbox_id. A key limited to one inbox uses that inbox. The owner's full email is not returned.
• cooper_chat_send Sends messages · ~284 tokens
  Post a message to the verified owner. Requires auth and task_reply. inbox_id is optional when the token is limited to one inbox, and required otherwise. text is 1 to 16000 characters. format is text or markdown. reply_to_id quotes one message in this inbox. task_status is in_progress or done, and on
• cooper_chat_typing ~169 tokens
  Tell the owner this agent is typing. Requires auth and task_reply. state is typing or idle. typing lasts 8 seconds. inbox_id is optional when the token is limited to one inbox, and required otherwise. Owner messages are instructions from the agent's verified human owner. Any quoted email or web cont
• cooper_chat_wait ~225 tokens
  Wait for the verified owner's next chat message. Requires auth and task_read. inbox_id is optional when the token is limited to one inbox, and required otherwise. after is an opaque cursor. wait defaults to 20 and cannot exceed 25. include is owner (default) or all. Returns {object:"list", data, nex
• cooper_commit_events ~240 tokens
  Use this after you have processed a page from cooper_poll_events. Requires auth and message_read. Inputs: client_id (the consumer id or client_id) and cursor (the commit_cursor you received, an evc1 cursor). Returns the consumer. cursor on the response is the committed position. An older cursor is a
• cooper_confirm_owner ~277 tokens
  Use this when a human received the 6-digit confirmation code and you need to mark that owner verified so they can receive updates and open tasks. Requires auth. Inputs: inbox_id (required; inbox id, username, or email), owner_id (required), code (required; 6 digits). Returns the owner {id, inbox_id,
• cooper_create_draft ~811 tokens
  Use this when you want to prepare a message without sending it yet. Requires auth and message_send or draft_write. draft_write does not send mail. Inputs: inbox_id (required; inbox id, username, or email), to, cc, bcc, reply_to, subject, text, html, attachments, labels, headers, in_reply_to or forwa
• cooper_create_inbox ~1017 tokens
  Use this when the signed-in account needs an additional email address (for example one per agent, project, or customer). Requires auth. Inputs: username (optional; 1–32 characters; becomes <username>@cooperemail.com; omit it and Cooper picks box plus 8 hex characters, the same generator as a batch w
• cooper_create_inboxes ~618 tokens
  Use this when the signed-in account needs several email addresses at once, or addresses that should disappear after a deadline (one inbox per signup, trial, or job). Requires auth. Inputs: count (required; how many inboxes, capped per plan), prefix (optional; addresses become prefix-<random>@coopere
• cooper_create_list_entry ~461 tokens
  Use this when an agent should only mail approved recipients, or should ignore unwanted senders. Requires auth. Inputs: direction (required; send, receive, or reply), type (required; allow or block), entry (required; email or domain), inbox_id (optional; omit for the account-wide list), reason (optio
• cooper_create_rule ~654 tokens
  Use this when mail like X should be labeled, filed, forwarded, or acknowledged on the server with no model call. Requires auth and message_update. Inputs: inbox_id (required), name (required, 1–80 characters), conditions (required object; at least one of from, to, subject_contains, body_contains, ha
• cooper_create_workspace ~318 tokens
  Use this when the signed-in parent account should give a project or another agent its own API key and a fixed inbox quota. Requires auth. Inputs: name (required; 1–64 characters), inbox_quota (required integer; how many inboxes that sub-account may hold), client_id (optional idempotency key; the sam
• cooper_delete_draft Deletes data · ~186 tokens
  Use this when a draft should be discarded, including a scheduled send you want to cancel. Requires auth and message_delete, message_send, or draft_write. Inputs: inbox_id (required), draft_id (required). Deletes the draft and its attachments. A draft with send_status sending returns HTTP 409 draft_s
• cooper_delete_event_consumer Deletes data · ~162 tokens
  Use this to remove a durable event consumer and its cursor. Requires auth and message_read. Input: client_id (consumer id evcon_… or the client_id). Returns {id, client_id, deleted:true}. Another account's consumer, or a consumer pinned to a different inbox than an inbox-scoped key, is HTTP 404 cons
• cooper_delete_event_subscription Deletes data · ~215 tokens
  Use this when an MCP event subscription should stop. Requires auth. Inputs: id (required, mes_… from cooper_list_event_subscriptions). Keeps the row for audit and returns it with status ended and retained true. An ended row does not deliver and does not count toward the 20 subscription cap. A second
• cooper_delete_inbox Deletes data · ~240 tokens
  Use this when an inbox should be removed so its slot is free on the plan and on a workspace inbox quota. Requires auth. Deletes that inbox and its messages. Inputs: inbox_id (required; inbox id, username, or email). Returns {id, deleted:true}. An approval inbox returns HTTP 202 and stays until a ver
• cooper_delete_list_entry ~283 tokens
  Use this when an address or domain should leave an allow or block list. Requires auth. Deletes that one entry. Inputs: direction (required; send, receive, or reply), type (required; allow or block), entry (required; email or domain), inbox_id (optional; omit for the account-wide list). Returns the l
• cooper_delete_rule Deletes data · ~165 tokens
  Use this to remove one inbox rule and its auto-reply cooldown rows. Requires auth and message_update. Inputs: inbox_id (required), rule_id (required). Returns {id, deleted:true}. An unknown rule is HTTP 404 rule_not_found. Another account's inbox is HTTP 404 inbox_not_found.
• cooper_delete_suppression Deletes data · ~193 tokens
  Use this when an address should receive mail again after it was suppressed for a bounce, a complaint, or a manual add. Requires auth. Deletes that one account-wide row. Inputs: address (required; email). Returns the suppression with deleted true. Fails with 400 invalid_address, 404 suppression_not_f
• cooper_delete_thread Deletes data · ~260 tokens
  Use this when a whole conversation should be removed permanently. Requires auth. Deletes every message in the thread, plus attachment bytes, search rows, the assignment, and the folder row. Owner tasks and updates are left in place. This cannot be undone. To keep the thread for 30 days, move it to t
• cooper_delete_webhook Deletes data · ~129 tokens
  Use this when a webhook should stop receiving events and be removed. Requires auth. Inputs: webhook_id (required). Returns {id, deleted:true}. This removes the hook. Fails with 404 webhook_not_found when the id is missing or belongs to another account.
• cooper_delete_workspace Deletes data · ~379 tokens
  Use this when a parent should remove a sub-account, its API key, and its mail. Requires auth. Destructive. Inputs: workspace_id (required), delete_inboxes (optional boolean). Returns {id, deleted:true, inboxes_deleted}. When the workspace still has inboxes and delete_inboxes is not true, the call re
• cooper_enable_instant_replies ~559 tokens
  Use this when an owner message should wake the agent within seconds. Idempotent. Requires auth. Inputs: inbox_id (required), url (public http or https URL, required unless enabled is false), headers (optional; up to 5 extra headers named Authorization or X-*; omit them on a later call to keep the st
• cooper_forward_message ~625 tokens
  Use this when you need to forward a stored message to someone else, including a forwarded header block and the original attachments, on a new thread. Requires auth. Sends real email. Inputs: inbox_id (required; inbox id, username, or email), message_id (required), to (required; recipient addresses),
• cooper_get_attachment ~684 tokens
  Use this when you need the text of one attachment, or its bytes as base64. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), message_id (required), attachment_id (required), format (optional; text or base64). When format is omitted, text is returned when the conten
• cooper_get_draft ~190 tokens
  Use this when you need one draft, including its labels, attachments, send_at, send_status, and approval_status. Read-only; requires auth and message_read. Inputs: inbox_id (required), draft_id (required). Returns the draft. Another account's inbox, or an inbox-scoped key for a different inbox, retur
• cooper_get_inbox ~210 tokens
  Use this when you need one inbox's address, display name, metadata, status, client_id, screening, or send_mode and you already have its id, username, or email. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email). Returns the inbox {id, username, email, display_name, c
• cooper_get_list_entry ~288 tokens
  Use this when you need one address or domain on an allow or block list. Read-only; requires auth. Inputs: direction (required; send, receive, or reply), type (required; allow or block), entry (required; email or domain), inbox_id (optional; omit for the account-wide list). Returns {object:"list_entr
• cooper_get_message ~423 tokens
  Use this when you need the full content of one message, typically an id from cooper_list_messages or cooper_search. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), message_id (required). Returns the full message: from, to, cc, subject, text, html, extracted_text
• cooper_get_metrics ~791 tokens
  Use this when you need counts of mail over time, current usage, or bounce and complaint rates for this account. Read-only; requires auth and message_read. Inputs: kind (required; events, usage, or rates), inbox_id (optional; inbox id, username, or email), start and end (optional ISO-8601 timestamps;
• cooper_get_owner_preferences ~307 tokens
  Use this before writing to a human owner (cooper_notify_owner) to see how they want Cooper email written. Read-only; requires auth. Inputs: inbox_id and owner_id (optional; both together return that owner's effective style). Returns {account:{style, note, source}, owner?:{id, email, email_style, ema
• cooper_get_phone_number ~65 tokens
  Read the active phone number on an inbox. Requires auth. Input: inbox_id.
• cooper_get_sending_status Sends messages · ~368 tokens
  Use this when you need to know whether this account can still send email, or why sending was paused. Read-only; requires auth and message_read. No inputs. The pause is account-wide, so an inbox-scoped key returns the same account status. Returns {object:"sending_status", status, reason, window_days,
• cooper_get_sms_thread ~74 tokens
  Read one SMS thread. Requires auth. Inputs: inbox_id, thread_id.
• cooper_get_tasks ~339 tokens
  Use this when you are waiting for a human's instructions or answer by email: it lists tasks created when a verified owner or allowlisted sender emails the inbox and the mail passes DMARC (or DKIM aligned with From). Read-only; requires auth. Inputs: inbox_id (optional; omit for all inboxes), status
• cooper_get_thread ~280 tokens
  Use this when you need every message in one conversation, oldest first, including extracted_text. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), thread_id (required, thr_…), limit (optional, default 100, max 200). Returns the thread plus messages (full public me
• cooper_get_workspace ~197 tokens
  Use this when you need one sub-account created by the signed-in parent, including its inbox quota and how many inboxes are in use. Read-only; requires auth. Inputs: workspace_id (required). Returns {id, name, inbox_quota, inboxes_used, account_id, api_key_prefix, created_at}. Does not return the API
• cooper_inject_inbound ~435 tokens
  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 car
• cooper_list_domains ~600 tokens
  Use this when you need the custom domains on the signed-in account, including DNS status. Read-only; requires auth; no inputs. Returns {object:"list", data:[{id, domain, status, status_detail, mail, records, warnings, dns}]}. Each record has status valid, missing, or invalid, found from the last che
• cooper_list_drafts ~277 tokens
  Use this when you need drafts on one inbox or across the account. Read-only; requires auth and message_read. Inputs: inbox_id (optional; omit for every inbox this key can see), labels (optional; every listed label must match), limit (optional, 1 to 100, default 50), page_token (optional). An inbox-s
• cooper_list_event_consumers ~139 tokens
  Use this to see the durable event consumers on this account. Read-only; requires auth and message_read. No inputs. Returns {object:"list", data:[{object:"event_consumer", id, client_id, inbox_id, types, cursor, created_at, updated_at, last_polled_at, last_committed_at}]}. An inbox-scoped key sees on
• cooper_list_event_subscriptions ~231 tokens
  Use this when you need to see which MCP event subscriptions are watching inboxes on this account. Read-only. Requires auth. Inputs: none. Returns {object:"list", data:[{object:"event_subscription", id, name, inbox_id, inbox, callback_host, status, refresh_before, created_at, last_delivery_at, last_d
• cooper_list_events ~486 tokens
  Use this when you need the recent event log for this account (message.received, message.held, message.sent, message.blocked, message.bounced, message.complained, task.received, owner.reply, domain.verified, draft.created, draft.approved, draft.rejected, draft.sent, account.sending_paused, account.se
• cooper_list_inboxes ~444 tokens
  Use this when you need to know which inboxes exist on the signed-in account, for example to pick an inbox_id before sending or reading mail, or to tell the user their address. Read-only; requires auth. Inputs: status (optional; active or paused; omit to list every inbox), q (optional case-insensitiv
• cooper_list_list_entries ~357 tokens
  Use this when you need the addresses on an allow or block list. Read-only; requires auth. Inputs: direction (required; send, receive, or reply), type (required; allow or block), inbox_id (optional; inbox id, username, or email; omit for the account-wide list). Returns {data:[{object:"list_entry", di
• cooper_list_messages ~1112 tokens
  Use this when you need to check an inbox for new or recent mail (sent and received), for example after sending a message and waiting for a reply. Read-only; requires auth. Inputs: inbox_id (optional; inbox id, username, or email — omit to use the account's newest inbox), limit (optional, default 50,
• cooper_list_oauth_grants ~249 tokens
  Use this when you need to see which OAuth apps currently hold access to this account, for example before revoking one. Read-only; requires auth. No inputs. Returns {object:"list", data:[{object:"oauth_grant", id, client_id, client_name, redirect_hosts, scope, resource, connected_at, last_refreshed_a
• cooper_list_owners ~161 tokens
  Use this when you need to check who the human owners of an inbox are and whether they have confirmed, before relying on cooper_notify_owner. Read-only; requires auth. Inputs: inbox_id (required). Returns {data:[{id, email, status (pending|verified|unsubscribed), digest, created_at, verified_at, unsu
• cooper_list_rules ~197 tokens
  Use this to see the deterministic rules on one inbox, in the order they run. Read-only; requires auth and message_read. Input: inbox_id (required; inbox id, username, or email). Returns {object:"list", data:[inbox_rule]}. Each rule has id, name, enabled, position, conditions, actions, stop_processin
• cooper_list_sms_threads ~61 tokens
  List SMS threads on an inbox. Requires auth. Input: inbox_id.
• cooper_list_suppressions ~175 tokens
  Use this when you need the addresses this account will not email after a permanent bounce, a complaint, or a manual add. Read-only; requires auth. Inputs: none. Returns {object:"list", data:[{object:"suppression", address, reason, source_message_id, created_at}]}. reason is bounce, complaint, or man
• cooper_list_threads ~752 tokens
  Use this when you need whole conversations instead of individual messages, for example to see who is in a thread and when the last reply arrived. Read-only; requires auth. Inputs: inbox_id (optional; inbox id, username, or email — omit to list every inbox on the account), assignee (optional; 1–64 ch
• cooper_list_webhooks ~220 tokens
  Use this when you need the webhooks on this account, including whether each one is enabled and which inboxes it matches. Read-only; requires auth. No inputs. Returns {object:"list", data:[{id, url, events, inbox_id, inbox_ids, client_id, enabled, consecutive_failures, disabled_at, disabled_reason, s
• cooper_list_workspaces ~112 tokens
  Use this when you need the sub-accounts created by the signed-in parent, including each inbox quota and how many inboxes are in use. Read-only; requires auth; no inputs. Returns {data:[{id, name, inbox_quota, account_id, api_key_prefix, inboxes_used, created_at}]}. Does not return API keys.
• cooper_move_threads ~420 tokens
  Use this when several conversations should move to the same folder in one call, for example archiving finished work or trashing a batch. Requires auth. Same permission as updating thread labels. Inputs: inbox_id (required; inbox id, username, or email), thread_ids (required array of 1 to 100 thread
• cooper_notify_owner Sends messages · ~666 tokens
  Use this when the agent should tell its human owner(s) about progress, completion, a blocker, or a question by email. Requires auth. Sends a status email to every verified owner of the inbox (daily-digest owners get it in the next digest). Send a short title of 5-8 plain words that says what happene
• cooper_onboard ~782 tokens
  Use this when the user wants the agent to have its own email address and this connection is not signed in yet (no OAuth token or API key). No auth needed. Creates a Cooper account, one inbox <username>@cooperemail.com, and an API key. Inputs: username (required; 1–32 characters: letters, digits, . _
• cooper_place_call ~321 tokens
  Place a call from the inbox phone number. Requires auth. to is a US or Canada number in E.164. Premium-rate numbers are rejected (HTTP 400 premium_rate_blocked). Other countries are rejected (HTTP 400 international_not_allowed). say is the text spoken with text-to-speech, at most 1000 characters. mo
• cooper_poll_events ~819 tokens
  Use this when a scheduled agent needs Cooper events without a public webhook URL and without storing a cursor. Requires auth and message_read (a full-access key or OAuth token can call it). Creates a durable event consumer for client_id on first use. start defaults to now, so only events after this
• cooper_provision_phone_number ~235 tokens
  Provision a US local number for an inbox. Requires auth. Free includes no numbers (HTTP 402). Starter caps at 3. Pro includes 3 and caps at 25. Each billable number is $3/month with 100 segments. With COOPER_SMS_BILLING=stripe the number is added to the Stripe subscription, prorated, before Cooper b
• cooper_register_webhook ~794 tokens
  Use this when the agent or app should be notified immediately (HTTP POST) when mail arrives instead of polling cooper_list_messages. Requires auth. Inputs: url (required; public http or https URL; localhost and private addresses are rejected), events (optional; any of message.received, message.held,
• cooper_release_message ~328 tokens
  Use this when inbound screening held a message (label held) and a person has decided it should be delivered to the agent. Requires auth. Removes the held label, then fires message.received and creates a task when the sender is a verified owner or allowlisted sender who passes the inbox sender-auth c
• cooper_release_phone_number ~139 tokens
  Release the inbox phone number at the provider and on Cooper. Requires auth. Input: inbox_id and confirm true. The same account cannot provision that E.164 again for 30 days. With COOPER_SMS_BILLING=stripe, releasing a billable number lowers the subscription quantity and Stripe prorates it.
• cooper_reply_message Sends messages · ~686 tokens
  Use this when you need to answer a message already in a Cooper inbox, with recipients and threading filled in for you. Requires auth. Sends real email and stores the copy on the same thread. Inputs: inbox_id (required; inbox id, username, or email), message_id (required), text and/or html (one is re
• cooper_reply_task Sends messages · ~438 tokens
  Use this when you have an answer or result for a task from cooper_get_tasks and want to reply to the human in the same email thread. Requires auth. Sends a real email to the task's sender. Inputs: task_id (required), text (required; the reply body), status (optional; pending, in_progress, or done —
• cooper_revoke_oauth_grant Changes accounts · ~305 tokens
  Use this when an OAuth app should lose access to this account. Requires auth. Destructive. Inputs: client_id (required; the OAuth client id from cooper_list_oauth_grants). Deletes every access and refresh token for that client on this account, and every unused authorization code for that client, in
• cooper_rotate_webhook_secret ~331 tokens
  Use this when a webhook signing secret should change without breaking receivers that still check the old secret. Requires auth. Inputs: webhook_id (required). Mints a new secret (whsec_…), stores it as the current secret, and keeps the previous secret valid for 24 hours. Returns the webhook with the
• cooper_search ~522 tokens
  Use this when you need to find mail by keyword, sender, recipient, or subject across the account, or inside one inbox. Read-only; requires auth. Inputs: q (required; every word must match subject, body text, from, or to), limit (optional, default 25, max 100), inbox_id (optional; inbox id, username,
• cooper_search_messages ~512 tokens
  Use this when you need to find mail inside one inbox by keyword, sender, recipient, or subject, and you want the matching words highlighted. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), q (required; every word must match subject, body text, from, or to), limit
• cooper_search_threads ~353 tokens
  Use this when you need the conversations that contain a keyword, sender, recipient, or subject, instead of each matching message. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), q (required; every word must match subject, body text, from, or to), limit (optional,
• cooper_send_draft Sends messages · ~410 tokens
  Use this when a draft should be sent now. Requires auth and message_send or draft_send. draft_write alone cannot send. Inputs: inbox_id (required), draft_id (required), add_labels, remove_labels, idempotency_key (optional Idempotency-Key). Sending deletes the draft and returns the message. An inbox
• cooper_send_message Sends messages · ~1036 tokens
  Use this when the user asks the agent to send an email from its Cooper address. Requires auth. Delivers real email on the public Internet and stores a copy. Inputs: inbox_id (required; inbox id, username, or email), to (required; array of recipient addresses), subject (required), text and/or html bo
• cooper_send_sms Sends messages · ~135 tokens
  Send an SMS from the inbox number. Requires auth. Fails with 409 outbound_not_registered while outbound is disabled. Inputs: inbox_id, to (E.164), text, client_id (optional), idempotency_key (optional).
• cooper_set_addons ~615 tokens
  Use this when a Starter or Pro account needs more inboxes, custom domains, or monthly emails than the plan includes. Requires auth. A sub-account key returns HTTP 403 workspace_billing_forbidden. Free, a grandfathered account, and an account with no Stripe subscription return HTTP 402 plan_limit_exc
• cooper_set_owner_preferences ~394 tokens
  Use this when the human asks for shorter, longer, or friendlier email from Cooper. Requires auth. Sets the account default (omit owner_id; needs an unscoped key with owner_manage) or one owner's style (inbox_id and owner_id). Inputs: style (concise, detailed, casual, or null to inherit), note (optio
• cooper_test_rule ~401 tokens
  Use this to see which rules would match a stored message, and which actions would run or be skipped, without changing mail. Read-only; requires auth and message_read. Inputs: inbox_id (required), message_id (required), and optional name, conditions, actions, and stop_processing. With only message_id
• cooper_test_webhook ~171 tokens
  Use this when you need to confirm a webhook URL accepts a signed POST right now. Requires auth. Inputs: webhook_id (required). Sends {type:"webhook.test", data:{webhook_id}} and waits for the response. Returns {delivery:{id, status, response_status, attempts, event_id}}. status is delivered or faile
• cooper_unassign_thread ~362 tokens
  Use this when the assignee is done with a thread, or a worker should release its claim. Requires auth. Same permission as updating thread labels. Inputs: inbox_id (required; inbox id, username, or email), thread_id (required), assignee (optional). When assignee is set, the row is removed only if it
• cooper_update_draft ~630 tokens
  Use this when a draft should change before it sends. Requires auth and message_send or draft_write. This call does not send the draft. Inputs: inbox_id (required), draft_id (required), and any of to, cc, bcc, reply_to, subject, text, html, add_attachments, remove_attachments, add_labels, remove_labe
• cooper_update_inbox ~1073 tokens
  Use this when an inbox should stop sending and accepting new mail without deleting the address, threads, or history (for example while a human reviews it or during an incident), when it should start again, when you need to set its display name or metadata, when you need to change inbound screening,
• cooper_update_message ~362 tokens
  Use this when you need to change labels on a stored message, including marking it read. Requires auth. Works on a paused inbox, because this is triage and not a send. Inputs: inbox_id (required; inbox id, username, or email), message_id (required), add_labels (optional strings), remove_labels (optio
• cooper_update_messages ~551 tokens
  Use this when several stored messages should gain or lose the same labels, including marking a batch read. Requires auth. Works on a paused inbox, because this is triage and not a send. Inputs: inbox_id (required; inbox id, username, or email), message_ids (required; 1 to 50 unique message ids), add
• cooper_update_rule ~360 tokens
  Use this to change a stored inbox rule. Requires auth and message_update. Inputs: inbox_id (required), rule_id (required), and any of name, enabled, position, conditions, actions, stop_processing. Omitted fields stay as they are. forward_to is checked again. Returns the updated inbox_rule. An unknow
• cooper_update_thread ~698 tokens
  Use this when every message in a conversation should gain or lose the same labels, including marking the thread read, or when the thread should move to inbox, archive, spam, or trash. Requires auth. Works on a paused inbox. Inputs: inbox_id (required; inbox id, username, or email), thread_id (requir
• cooper_update_webhook ~540 tokens
  Use this when a webhook URL, event list, inbox filter, or enabled flag should change. Requires auth. Inputs: webhook_id (required), url (optional http(s) URL), events (optional array), enabled (optional boolean; true re-enables and resets consecutive_failures, false disables and stops deliveries), i
• cooper_update_workspace ~299 tokens
  Use this when a parent should rename a sub-account or change how many live inboxes it may hold. Requires auth. Inputs: workspace_id (required), name (optional; 1–64 characters), inbox_quota (optional integer, at least 1). Returns the workspace {id, name, inbox_quota, inboxes_used, account_id, api_ke
• cooper_upgrade_link ~229 tokens
  Use this when the human wants to upgrade, or a limit was hit and they agree to pay. Requires auth. Creates a Stripe Checkout session; no charge happens until the human completes checkout in their browser. Inputs: plan (required; starter or pro), email (optional receipt email), client_id (optional id
• cooper_verify_domain ~638 tokens
  Use this when DNS for a custom domain may have been published and you should check it now instead of waiting for the daily cron. Requires auth. Inputs: domain_id (required; the dom_… id from cooper_add_domain or cooper_list_domains). Runs the same DNS check as the cron, stores per-record status (val
• cooper_wait_for_code ~590 tokens
  Use this when you signed up for a service or triggered a login and need the one-time verification code (OTP) it emails you. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), wait (optional seconds, default 25, maximum 55), after (optional ISO-8601 timestamp; defaul
• cooper_wait_for_message ~472 tokens
  Use this when you are waiting for a reply or a verification code and you have no public URL for a webhook. Read-only; requires auth. Inputs: inbox_id (required; inbox id, username, or email), after (optional cursor or ISO-8601 timestamp; default is the time of this call, so only mail that arrives af
• cooper_wait_for_sms ~111 tokens
  Wait for an inbound SMS. Requires auth. Inputs: inbox_id, after (optional cursor), wait (optional seconds, max 25, default 20), from_contains (optional).
• cooper_whoami ~451 tokens
  Use this when you need to see which Cooper account this connection is using and whether the API key is limited to one inbox or a permission list. Requires auth. Optional input lifecycle_emails is on or off and sets whether this account receives weekly product notes in its inbox. Omit it to leave the

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• Website monitoring
• Domains and DNS
• Converting to Markdown
• Email

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