Formstack MCP by usefulapi
Browse Formstack forms, submissions and webhooks, search responses, and create submissions.
Connect it
Settings → Connectors → Add custom connector
URL: https://formstack.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://formstack.usefulapi.io/mcp{
"mcpServers": {
"formstack": {
"url": "https://formstack.usefulapi.io/mcp"
}
}
}claude mcp add --transport http formstack https://formstack.usefulapi.io/mcp{
"servers": {
"formstack": {
"type": "http",
"url": "https://formstack.usefulapi.io/mcp"
}
}
}20 tools, verified live
formstack_list_formsread-onlyList the forms in the account, with submission counts, live URL and folder. Filter by name or folder and sort. Formstack: GET /forms.
formstack_get_formread-onlyFetch a form's details — name, URL, submission counts, settings — optionally with its full field list. Formstack: GET /forms/{formId}.
formstack_list_form_fieldsread-onlyList every field on a form — id, label, type, required flag, options and logic. Use this to learn field IDs before searching or creating submissions. Formstack: GET /forms/{formId}/fields.
formstack_list_form_submissionsread-onlyList a form's submissions, newest or oldest first, filtered by keyword, date range or specific field values. Set include_data to get the answers. Formstack: GET /forms/{formId}/submissions.
formstack_count_form_submissionsread-onlyCount a form's submissions, with a per-day breakdown over a lookback window of up to 7 days. Formstack: GET /forms/{formId}/submissions/count.
formstack_search_submissionsread-onlyFull-text search for submissions across every form in the account, e.g. by a person's email or name. Formstack: GET /submissions.
formstack_get_submissionread-onlyFetch a single submission with every field's label, type, display value and parsed value, plus payment, approval and workflow status. Formstack: GET /submissions/{submissionId}.
formstack_list_partial_submissionsread-onlyList entries respondents started but did not finish (Save & Resume / abandoned), with the same filters as submissions. Formstack: GET /form/{formId}/partialsubmission.
formstack_list_foldersread-onlyList the account's form folders and their subfolders. Formstack: GET /folders.
formstack_get_folderread-onlyFetch a folder with its parent, permissions and direct subfolders. Formstack: GET /folders/{folderId}.
formstack_list_webhooksread-onlyList the webhooks that push a form's submissions to external URLs, with their payload settings. Formstack: GET /forms/{formId}/webhooks.
formstack_list_notification_emailsread-onlyList the notification emails that alert your team when a form is submitted — recipients, subject, sender and logic. Formstack: GET /forms/{formId}/notifications.
formstack_list_confirmation_emailsread-onlyList the confirmation emails sent to the person who submits a form — sender, subject, message and delay. Formstack: GET /forms/{formId}/confirmations.
formstack_list_submit_actionsread-onlyList what happens after a form is submitted — default processing, a custom message, or a redirect URL — with conditional logic. Formstack: GET /forms/{formId}/submitactions.
formstack_create_submissioncan modifySubmit an entry to a form on someone's behalf. This is a real submission: it counts toward the form and can fire its notification emails, webhooks and integrations. Formstack: POST /forms/{formId}/submissions.
formstack_update_submissioncan modifyChange field values on an existing submission, or mark it read/unread. Only the fields you pass are changed. Formstack: PUT /submissions/{submissionId}.
formstack_create_prefill_urlcan modifyGenerate a link to a live form with some fields already filled in — e.g. to send a customer a form with their name and account number pre-entered. Formstack stores the prefill and returns prefilledUrl. Formstack: POST /forms/{formId}/prefill.
formstack_update_formcan modifyRename a form, move it to a folder, change its submit-button text, timezone or language, or activate/deactivate it (with a message shown while inactive). Reversible. Formstack: PUT /forms/{formId}.
formstack_create_foldercan modifyCreate a folder for organising forms, at the root or inside a parent folder. Formstack: POST /folders.
formstack_create_webhookcan modifyAdd a webhook that POSTs each new submission of a form to your URL. Formstack: POST /forms/{formId}/webhooks.
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