Free Online Form Builder with Unlimited Responses - OpnForm
Build beautiful online forms with OpnForm. Create forms, surveys, and workflows for free, collect unlimited responses, and keep control of your data.
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Last probed Sep 14, 2026 · api.opnform.com
20tools discovered
Validate Form Definition Tool
Normalize and validate an OpnForm agent form definition without storing it. Returns the canonical definition with defaults, stable block IDs, sanitized content, normalized aliases, and authoring-quality warnings. Resolve every warning with blocking=true before create or save; correct other relevant warnings unless they conflict with an intentional user choice.
Create a Guest Form Draft
Default tool for creating a new form unless the user explicitly asks to save it in an OpnForm account or workspace. Creates a temporary unpublished seven-day guest draft without login. This tool is data-only and never renders a widget. On success, call preview_form_draft exactly once with the returned draft_handle so the user sees one final interactive preview. Do not retry after success. Validation errors are safe to correct and retry; draft creation itself is not idempotent.
Get Form Draft Tool
Fetch the current canonical definition and version of a private guest draft. Use this after a version conflict or whenever the current state is uncertain.
Patch Form Draft Tool
Apply semantic operations to the current guest draft. This tool is data-only and never renders a widget. Requires the latest expected_version and rejects conflicts without overwriting newer work. On success, call preview_form_draft exactly once with the returned draft_handle so the user sees one updated preview. Do not retry after success. Correct validation errors and retry with the same current version; after a version conflict, fetch the draft before retrying. Supported ops: set_form_values,
Preview Form Draft Tool
Render the final interactive preview for an existing guest draft without changing it. Call exactly once after a successful create_form_draft or patch_form_draft, and use it again only when the user explicitly asks to refresh an existing preview. After success, briefly summarize the result and ask one question offering two choices: modify the draft again or save it to the user's OpnForm account. Do not request OAuth unless the user chooses save. The signed preview remains valid until the seven-da
Open Form Draft In Editor Tool
Create a reusable OpnForm editor link only after the user chooses to continue editing the guest draft in OpnForm. The link remains valid until the seven-day draft expires.
Get Account Context Tool
Confirm the connected OpnForm account and summarize its accessible workspaces. Use this before account-scoped work when the current context is unclear.
List Workspaces Tool
List workspaces available to the connected account, including its role and whether forms can be changed. Workspace management is intentionally not available.
Get Workspace Tool
Read one accessible OpnForm workspace and the connected account role. This integration never changes workspace settings or members.
List Forms Tool
List forms accessible to the connected account. Filter by workspace, title, or visibility; results are paginated and exclude trashed forms.
Get Form Tool
Fetch an accessible form as the canonical agent form definition. Use its revision value when calling update_form, publish_form, or trash_form.
Save a Form to an OpnForm Account
Use this authenticated tool only when the user explicitly asks to save a new form in their connected OpnForm account or a workspace. Do not use it for a generic request to create or preview a new form; use create_form_draft without login instead. Saves the canonical definition as an unpublished draft in an accessible writable workspace. If the account has exactly one workspace, workspace_id may be omitted.
Update Form Tool
Replace the editable definition of an accessible form. This can remove existing fields, and changes to an already-public form are immediately public. Requires the revision value returned by get_form to prevent silent concurrent overwrites. This tool cannot change visibility or trash a form.
Publish Form Tool
Publish an accessible writable form at its current revision. Call only after showing the result or preview and receiving explicit confirmation from the user.
Trash Form Tool
Move an accessible writable form at its current revision to soft-delete trash. A public form becomes unavailable. Call only after explicit user confirmation. Restore and permanent deletion are intentionally not exposed.
List Submissions Tool
List and search submissions for an accessible form. Search matches response values, not field names. Filter by completed/partial status and date; results are paginated.
Get Submission Tool
Read one submission from an accessible form, with response values labeled by form field. This tool never changes the submission.
Get Submission Stats Tool
Analyze submissions for an accessible form using the same bounded field summaries available in OpnForm. Returns all-time views/completion overview plus a status/date-filtered summary.
Export Submissions Tool
Queue a private CSV export for all submissions in an accessible form, or up to 1,000 selected submission IDs. Poll get_submission_export for its temporary download URL.
Get Submission Export Tool
Check a queued submission export. When completed, returns a temporary private CSV download URL and its expiration time.
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MCPBundles probed 20 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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