Formstack MCP by usefulapi MCP Server

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answering

Formstack MCP by usefulapi is answering right now. Last checked 8 min ago. It exposes 20 tools. Last commit 13 Oct 2026.

Browse Formstack forms, submissions and webhooks, search responses, and create submissions.

Uptime history 17 days of history

17 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

136 ms

Response time

average over 24h

Stars

last commit 13 Oct 2026

What changed 7

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

13 Oct a tool changed version

9 Oct a tool changed version4 times that day

1 Oct a tool changed version

30 Sep a tool changed version

and 3 more, back to 30 September 2026

Nothing serious here today

Today is the operative word: we check Formstack MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add formstack --transport http https://formstack.usefulapi.io/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "formstack": {
      "url": "https://formstack.usefulapi.io/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.formstack]
url = "https://formstack.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "formstack": {
      "url": "https://formstack.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "formstack": {
      "url": "https://formstack.usefulapi.io/mcp"
    }
  }
}

Available tools 20

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

formstack

formstack_count_form_submissions

Count 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_create_folder

Create a folder for organising forms, at the root or inside a parent folder. Formstack: POST /folders.

formstack_create_prefill_url

Generate 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_create_submission

Submit 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_create_webhook

Add a webhook that POSTs each new submission of a form to your URL. Formstack: POST /forms/{formId}/webhooks.

formstack_get_folder

Fetch a folder with its parent, permissions and direct subfolders. Formstack: GET /folders/{folderId}.

formstack_get_form

Fetch a form's details — name, URL, submission counts, settings — optionally with its full field list. Formstack: GET /forms/{formId}.

formstack_get_submission

Fetch 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_confirmation_emails

List the confirmation emails sent to the person who submits a form — sender, subject, message and delay. Formstack: GET /forms/{formId}/confirmations.

formstack_list_folders

List the account's form folders and their subfolders. Formstack: GET /folders.

formstack_list_form_fields

List 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_submissions

List 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_list_forms

List the forms in the account, with submission counts, live URL and folder. Filter by name or folder and sort. Formstack: GET /forms.

formstack_list_notification_emails

List the notification emails that alert your team when a form is submitted — recipients, subject, sender and logic. Formstack: GET /forms/{formId}/notifications.

formstack_list_partial_submissions

List entries respondents started but did not finish (Save & Resume / abandoned), with the same filters as submissions. Formstack: GET /form/{formId}/partialsubmission.

formstack_list_submit_actions

List 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_list_webhooks

List the webhooks that push a form's submissions to external URLs, with their payload settings. Formstack: GET /forms/{formId}/webhooks.

formstack_search_submissions

Full-text search for submissions across every form in the account, e.g. by a person's email or name. Formstack: GET /submissions.

formstack_update_form

Rename 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_update_submission

Change field values on an existing submission, or mark it read/unread. Only the fields you pass are changed. Formstack: PUT /submissions/{submissionId}.

Endpoints

URL	Transport	State	Latency	Checked
https://formstack.usefulapi.io/mcp	streamable-http	answering	74 ms	8 min ago

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Formstack MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Formstack MCP by usefulapi do?

It exposes 20 tools, read directly from the server on our last check. Among them: formstack_count_form_submissions, formstack_create_folder, formstack_create_prefill_url, formstack_create_submission, formstack_create_webhook, formstack_get_folder and 14 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Formstack MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 136 ms. The bar chart above shows every period we have measured.

How do I connect Formstack MCP by usefulapi?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Formstack MCP by usefulapi need an API key?

No. Formstack MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 20 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Formstack MCP by usefulapi?

It answers our handshake in 136 ms on average, which is faster than 78% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Formstack MCP by usefulapi open source?

Yes — it is published under the MIT licence, written in JavaScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.