Search members, memberships and saved searches; update contact fields in MemberSuite. For associations that track members, memberships and event sign-ups in MemberSuite. Hosted by usefulapi — connect from Claude, ChatGPT, Cursor, or any MCP client.
Team and Enterprise: an Owner adds the connector for the organization first.
Run this command, then run /mcp in Claude Code to log in:
Add to Cursor or add this to ~/.cursor/mcp.json:
{
"mcpServers": {
"membersuite": {
"url": "https://membersuite.usefulapi.io/mcp"
}
}
}Add to VS Code or add this to .vscode/mcp.json:
{
"servers": {
"membersuite": {
"type": "http",
"url": "https://membersuite.usefulapi.io/mcp"
}
}
}No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.
Run these commands. The second one opens the login page:
Other MCP clients (Windsurf, Cline, Zed and more): add the URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser. Do not add an Authorization header: see Before you connect.
Search the individuals who joined this month, then search their memberships for the type, join date and benefit status.
membersuite_search_individuals membersuite_search_memberships
Run an MSQL query on the event registrations of one event, to read the names and the waitlist status of each registrant.
membersuite_run_msql
List the public saved searches with their IDs, then run one of them to read its records.
membersuite_list_saved_searches membersuite_run_saved_search
Find the individual by ID, then update only the fields that changed, such as the email address or phone number. Test writes in a Sandbox first.
Changes data · membersuite_search_individuals membersuite_update_individual
The login page asks for your Tenant ID (Association Key), API user email and API user password.
Find the Tenant ID (Association Key) in the MemberSuite Console → Setup → Association Settings. The API user is a dedicated account that MemberSuite (GrowthZone) issues on request for API access. Your password is used only to log in to the API on your behalf; it is never shown to anyone.
Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Tenant ID (Association Key), API user email and API user password. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
Turn on the MemberSuite connector, then ask in plain words. The AI picks the tools.
| Tool | Type | What it does |
|---|---|---|
membersuite_whoami | read | Who am I Return the API user and tenant that this connection uses, including ReceivesMemberBenefits status fields. Good first call. REST: GET /platform/v2/whoami. |
membersuite_search_individuals | read | Search individuals Search individual contacts (people) with an MSQL statement, for example SELECT LocalID, FirstName, LastName, EmailAddress FROM Individual WHERE (LastName = 'Smith'). Use the ID column to update a person later. REST: GET /crm/v1/individuals/{tenantId}?msql=. |
membersuite_search_memberships | read | Search memberships Search membership records with an MSQL statement, for example SELECT Owner.Name, Type.Name, JoinDate, ExpirationDate, ReceivesMemberBenefits FROM Membership. ReceivesMemberBenefits = true means an active member. REST: GET /membership/v1/memberships/{tenantId}?msql=. |
membersuite_run_msql | read | Run an MSQL query Run any MSQL statement across modules, including joins. Use it for event registrations, for example SELECT LocalID, Individual.FirstName, Individual.LastName FROM EventRegistration('{eventGuid}') WHERE (CancellationDate IS NULL AND OnWaitList = 0). Pages with startPosition (row offset). REST: POST /platform/v2/dataSuite/executeSearch. |
membersuite_list_saved_searches | read | List public saved searches List the public saved searches in the Console, with their IDs. Filter by part of the name (letters, digits, spaces, _ . -). Use an ID with membersuite_run_saved_search. REST: POST /platform/v2/dataSuite/executeSearch with SavedSearch MSQL. |
membersuite_run_saved_search | read | Run a saved search Run one public saved search by its ID and return its records. The ID comes from membersuite_list_saved_searches. REST: GET /platform/v2/dataSuite/executeSavedSearch/{savedSearchId}. |
membersuite_update_individual | write | Update an individual Change the listed fields of one individual (contact). Only the fields you pass change. Pass standard fields in fields (for example FirstName, EmailAddress, Work_PhoneNumber) and custom fields (names ending __c) in custom_fields. Idempotent: the same call twice leaves the same data. Test in a MemberSuite Sandbox first. REST: PATCH /crm/v1/individuals/patch/{individualId}. |
membersuite_usage_status | Usage status (free-tier meter) Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter. | |
membersuite_request_feature | Request a missing feature Tell usefulapi that the user needs something the MemberSuite tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter. | |
membersuite_upgrade | Upgrade to Pro (unlimited*) Get Pro: unlimited tool calls (fair use limit: 10,000 a month) on MemberSuite (the free tier caps monthly usage). Plans: "monthly" — $9/month; "yearly" — $90/year (2 months free). Cancel any time: Pro then runs to the end of the paid period, so it also suits a one-time job. *A fair use limit applies. For heavy use (near Pro's limit): "plus" or "plus_yearly" — Pro+, $39/month or $390/year, unlimited tool calls (fair use limit: 100,000 a month); an existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Otherwise returns a short link to open in your browser (it opens Stripe Checkout); after payment the account upgrades automatically. Does not count against the meter. | |
membersuite_cancel_subscription | Cancel the Pro subscription Cancel the caller's MemberSuite Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run membersuite_upgrade later to undo the cancel before the period ends. Does not count against the meter. |
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Proper user | $9/mo · $90/yr | Unlimited* |
*Pro fair use limit: 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this MemberSuite server only. Subscribe with membersuite_upgrade (it returns a Stripe Checkout link). Cancel any time with membersuite_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running membersuite_upgrade before then undoes the cancel. Or write to [email protected].
Find new members and their memberships. List the registrants of an event. Run a saved search from the Console. Correct the contact details of one person. See what you can do for the details.
No. usefulapi is an independent service. It is not affiliated with or endorsed by MemberSuite. The server calls the MemberSuite API with your own MemberSuite access, so it sees only the data that your account can see.
Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.
The login page asks for your Tenant ID (Association Key), API user email and API user password. See Before you connect for where to find them.
No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Tenant ID (Association Key), API user email and API user password. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
The login stores them encrypted in the authorization grant of your connection. The server uses them to call the MemberSuite API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in MemberSuite.
Yes, if you approve it. 1 of the 7 MemberSuite tools can create or change data. The other 6 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.
The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with unlimited tool calls (fair use limit: 10,000 tool calls a month), for this MemberSuite server only. Cancel any time: Pro then runs to the end of the paid period. Run membersuite_usage_status to see how many calls you used.
Ask the AI to run membersuite_upgrade: it returns a Stripe Checkout link. To cancel, run membersuite_cancel_subscription. Pro continues to the end of the paid period.
Tell the AI what you wanted to do. It can send the request with membersuite_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.
Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.
This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.
Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.