Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Certificate changed, valid to 2027-01-15
Added "get_v1_channel", "get_v1_channel_messages", "get_v1_channels_search" and 3 more; removed "post_getAbout", "post_getProfilePicUrl" and "post_getUserInfo" (3 tools before, 6 now)
Get Channel — A WhatsApp channel by its invite link or code: name, description, follower count (`channelMetadata.size`), verification, creation time and settings. Looking does not follow the channel. Group: Channels. Billing per call: 1 Credits.
Get Channel Posts — The latest posts of a WhatsApp channel, newest last, with their text, type, time, links and whether they carry media. Does not follow the channel. Group: Channels. Billing per call: 2 Credits.
Search Channels — WhatsApp's channel directory: channels whose name matches `query`, in the countries asked for, or without a query the directory's recommended, trending, popular or new channels. Each channel comes with its follower count, verification, description and invite code (use it with Get Channel and Get Channel Posts). Channels the lookup account follows are not listed. Group: Channels. Billing per call: 1 Credits.
Get Group by Invite Link — What WhatsApp shows anyone who opens a group's invite link: the group's name (`subject`) and description with who set them and when, its size, creation time and creator's country, its settings (announcements only, admin-only edits, join approval), the owner, and a few participants with their phone numbers. Looking does not join the group. A code that is wrong, revoked or expired answers 404 `not_found`. Group: Groups. Billing per call: 1 Credits.
Check Number — Whether a phone number has a WhatsApp account, and its WhatsApp id. A number without an account is a normal answer (`registered: false`), not an error. Group: Numbers. Billing per call: 1 Credits.
Get Profile — Everything WhatsApp shows about the account on a phone number: the contact (`pushname`, the name the person set; `isBusiness`, `verifiedName` and, for business accounts, `businessProfile` with description, categories, website, email, address, opening hours and linked Facebook/Instagram), the about text, the profile picture URL, the account's LID and the number of devices it uses (phone plus WhatsApp Web/desktop). `about` and `profile_picture_url` are `null` when the person hides or never set them; picture URLs expire after a while. A part that could not be read is `null` and named in `unavail…
Get About (Status) — Get About (status text) Billing per call: 1 Credits.
Get Profile Picture URL — Get Profile Picture URL Billing per call: 1 Credits.
Get User Info — Get User Info/Details Billing per call: 1 Credits.
Certificate recorded, valid to 2026-11-17
Authorization not required
First tool surface recorded: 3 tools (server version 1.0.0)
Showing the latest 5 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed