Formbridge MCP Server

@amitpaz1

Basic information

About Formbridge MCP Server

No overview available yet

Formbridge MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "formbridge": {
      "command": "npx",
      "args": [
        "@formbridge/create"
      ]
    }
  }
}

Formbridge MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is FormBridge?

FormBridge is a mixed-mode agent-human form submission infrastructure. It enables AI agents to fill known form fields while humans complete the rest, with full field-level attribution, approval workflows, and webhook delivery.

How to use FormBridge?

Install @formbridge/mcp-server via npm. Then run it as an HTTP API server using createFormBridgeApp, as an MCP server using FormBridgeMCPServer (connected via stdio), or scaffold a project with npx @formbridge/create. Optionally embed React forms using @formbridge/form-renderer and manage submissions with the admin dashboard.

Key features of FormBridge

Mixed-mode agent-human form filling with field-level attribution
Secure resume tokens for human handoff URLs
Configurable approval gates and webhook delivery (HMAC‑signed)
MCP server auto‑generates tools from intake definitions
Pluggable storage: in‑memory, SQLite, PostgreSQL, S3
Schema normalization: accepts Zod, JSON Schema, or OpenAPI specs

Use cases of FormBridge

Vendor onboarding — agents fill company details, human uploads W‑9
IT access requests — agent provisions basic info, human approves
Customer intake — agent collects contact data, human adds preferences
Expense reports — agent extracts receipt data, human verifies
Bug reports — agent captures system info, human describes behavior

Frequently asked questions

What are the runtime dependencies?

Node.js 18 or later. For SQLite storage, the SQLite module is required; for PostgreSQL, a pg client is needed. The form‑renderer requires React 18+.

What transport protocols does FormBridge support?

It supports HTTP (REST API), MCP (stdio transport for AI agents), and CLI scaffolding via `npx @formbridge/create`. The MCP server auto‑generates four tools per intake: create, set, validate, submit.

How is data stored and secured?

Storage backends are pluggable (in‑memory, SQLite, PostgreSQL, S3 for file uploads). Submissions use idempotency keys to prevent duplicates. Auth options include API keys, OAuth, and role‑based access control. Webhook payloads are HMAC‑signed.

Does FormBridge support file uploads?

Yes, via a signed URL protocol for secure file handling. The README details endpoints for requesting upload URLs and verifying uploads, compatible with S3.

Can I run FormBridge without a database for development?

Yes. Use the in‑memory storage backend (default) for development. For production, SQLite (single‑server) or PostgreSQL (multi‑replica HA) are available.

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