--- title: "Connect Circle to Crossref Metadata Search - APIANT.ai" description: "When \"New Access Group\" fires in Circle, your agent runs \"Find funders by query\" in Crossref Metadata Search." canonical: "https://apiant.ai/connect/circle-to-crossref-metadata-search" --- # Connect Circle to Crossref Metadata Search When **New Access Group** fires in [Circle](https://apiant.ai/connections/circle), your agent runs **Find funders by query** in [Crossref Metadata Search](https://apiant.ai/connections/crossref-metadata-search). Describe the whole flow and it is built, tested on every scenario and kept running. Circle **16** triggers Circle **21** actions Crossref Metadata Search **6** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Circle and Crossref Metadata Search to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What Circle can start in Crossref Metadata Search - When **New Access Group** in Circle then **Find funders by query** in Crossref Metadata Search - When **New Comment Posted** in Circle then **Find works by query** in Crossref Metadata Search Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with Circle and Crossref Metadata Search ## Triggers and actions 16 triggers · 27 actions - Trigger **Content Approved** Triggers when a moderator approves reported (flagged) content in your Circle community. - Trigger **Content Flagged** Triggers when a piece of community content (a post, comment or message) is reported for moderation. - Trigger **Content Rejected** Triggers when a moderator rejects reported content (a post or comment) in your Circle community. - Trigger **New Access Group** Triggers when a new access group is created in your Circle community. - Trigger **New Comment Posted** Triggers when a new comment is posted in your Circle community, optionally limited to one space or post. - Trigger **New Event Created** Triggers when a new event is published in your Circle community, optionally limited to one event space. - Trigger **New Event RSVP** Triggers when a member RSVPs yes to the selected Circle event. - Trigger **New Member Active Subscription** Triggers when a community member's paid subscription becomes active in Circle. - Trigger **New Member Added** Triggers when a new member joins the Circle community. Optionally includes invited members who have not finished setting up their profile, or only members with chosen tags. - Trigger **New Member Canceled Subscription** Triggers when a community member's paid subscription is canceled in Circle, returning the canceled subscription with its member and paywall details. - Trigger **New Member Paid Charge** Triggers when a community member is charged successfully (a new paid charge appears in Circle). - Trigger **New Member Past Due Subscription** Triggers when a community member's paid subscription becomes past due. - Trigger **New Member Refunded Charge** Triggers when a member's charge is refunded, fully or partially, in your Circle community. - Trigger **New Post** Triggers when a new basic post is published in your Circle community, optionally limited to one space or space group. - Trigger **New Space Created** Triggers when a new space is created in your Circle community. - Trigger **New Tagged Member** Triggers when a member tag is applied to a community member or contact in your Circle community. - Action **Add Member to Space Group** Adds an existing community member, by email, to a space group and to every space in that group. Does nothing if they are already in the group. - Action **Create Comment** Creates a comment on a Circle post, or a reply to an existing comment, optionally authored as another community member. - Action **Create Contact** Creates a non-member contact (lead) in your Circle community from an email address. The contact appears in your audience for email marketing but has no login or community access. - Action **Create Course Section** Creates a new section at the end of a course space. The section starts with no lessons. - Action **Find Member** Finds a community member by their exact email address, including invited members who have not finished setting up their profile. - Action **Has Member Tag** Checks whether the community member with a given email address has a given member tag, and returns true or false along with the member's id and tags. - Action **Invite Member** Invites a person to your Circle community by email, creating their Circle account if needed, and optionally adds them to spaces, space groups and member tags. Returns the new community member. - Action **Is Member of Space** Checks whether a community member, identified by email, belongs to a chosen space and returns their space membership details. - Action **Is Member of Space Group** Checks whether a community member, identified by email, belongs to a space group, and returns their membership details when they do. - Action **Mark Course Lesson as Completed** Marks a course lesson as completed for a member of the course space, identified by their email address. - Action **Remove Member** Removes a member from your Circle community by deactivating their membership and canceling their running paid subscriptions. Their posts and comments are kept, and inviting the same email again restores the membership. - Action **Remove Member From Access Group** Removes a community member, identified by member ID or email, from an access group. - Action **Remove Member From Event** Removes a member's RSVP from a Circle event, identified by the member's email. The attendee record is kept with its RSVP set to no. - Action **Remove Member From Space** Removes a community member, identified by email, from a space. The person stays a member of the community. - Action **Remove Member From Space Group** Removes a member from a space group and from every space in that group. They stay a member of the community. - Action **RSVP Member to Event** Adds a community member, identified by email, to an event. The member is RSVPed directly when the event auto-RSVPs invited attendees; otherwise they are invited. - Action **Send Direct Message** Sends a direct chat message to a Circle community member, identified by email, optionally as a reply in a thread. - Action **Start a Group Chat** Sends a message to a group of community members in a group chat, starting the group chat if it does not exist yet. The message is sent as the community member the connection authenticates as. - Action **Tag Member** Applies a member tag to the community member with the given email. If the member already has the tag, it is kept. - Action **Untag Member** Removes a member tag from the community member with the given email. The tag itself stays in the community; only its assignment to that member is removed. - Action **Update Event** Updates an existing event in a Circle event space. Only the fields you fill in are changed; everything else on the event stays as it is. - Action **Find funders by query** Search the Crossref Funder Registry for funding organizations matching a free-text query. - Action **Find works by query** Search Crossref's bibliographic metadata for works (articles, books, conference papers, etc.) matching a free-text query, with optional filters and sorting. - Action **Get funder** Retrieve metadata for a funding organization and its suborganizations by funder ID. - Action **Get journal** Retrieve information about a journal by its ISSN. - Action **Get member** Retrieve metadata for a Crossref member (publisher) by member ID. - Action **Get work by DOI** Retrieve full Crossref metadata for a single work given its DOI. ## Each app on its own - [ **Circle** A modern community platform for creators.](https://apiant.ai/connections/circle) - [ **Crossref Metadata Search** Crossref is the DOI registration agency for scholarly publishing and exposes metadata for well over a...](https://apiant.ai/connections/crossref-metadata-search) Reviews ## What our customers say ## More from Circle - [ **Circle to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/circle-to-hubspot) - [ **Circle to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/circle-to-salesforce) - [ **Circle to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/circle-to-slack) - [ **Circle to Google Sheets** Google Sheets](https://apiant.ai/connect/circle-to-google-sheets) - [ **Circle to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/circle-to-gmail) - [ **Circle to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/circle-to-google-calendar) ## More into Crossref Metadata Search - [ **HubSpot to Crossref Metadata Search** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-crossref-metadata-search) - [ **Salesforce to Crossref Metadata Search** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-crossref-metadata-search) - [ **Slack to Crossref Metadata Search** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-crossref-metadata-search) - [ **Google Sheets to Crossref Metadata Search** Google Sheets](https://apiant.ai/connect/google-sheets-to-crossref-metadata-search) - [ **Gmail to Crossref Metadata Search** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-crossref-metadata-search) - [ **Google Calendar to Crossref Metadata Search** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-crossref-metadata-search) Questions ## Circle and Crossref Metadata Search, answered ### ### What can start an automation from Circle? Any of Circle's 16 triggers in the catalog, including New Access Group, New Comment Posted, New Event Created and New Event RSVP. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Crossref Metadata Search when something happens in Circle? Any of Crossref Metadata Search's 6 actions, including Find funders by query, Find works by query, Get funder and Get journal. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Crossref Metadata Search to Circle? Crossref Metadata Search has no triggers in the catalog today, so automations start in Circle. If you need the other direction, ask: your agent reads Crossref Metadata Search's API documentation and adds it. ### ### Do I have to build a connector for Circle or Crossref Metadata Search? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use Circle and Crossref Metadata Search without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.