Formbridge
About
# FormBridge Mixed-mode agent-human form submission infrastructure. AI agents fill what they know, humans complete the rest — with full field-level attribution, approval workflows, and webhook delivery…
Details
- Author
- amitpaz1
- Downloads
- 176
- Categories
- Other
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- 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
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
FormbridgeCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
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.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"formbridge": {
"formbridge": {
"command": "npx",
"args": [
"@formbridge/create"
]
}
}
}
}McpServers
{
"formbridge": {
"command": "npx",
"args": [
"@formbridge/create"
]
}
}FormBridge
Mixed-mode agent-human form submission infrastructure. AI agents fill what they know, humans complete the rest — with full field-level attribution, approval workflows, and webhook delivery.
<p align="center">
</p>
The Problem
AI agents can gather _most_ of the data for a form — but some fields need a human: signatures, file uploads, identity verification, subjective preferences. Existing form tools force you to choose: fully automated _or_ fully manual. Nothing handles the handoff.
How FormBridge Works
Agent FormBridge Human
│ │ │
├─ POST /submissions ──────────►│ Creates draft, returns │
│ (fills known fields) │ resumeToken + handoff URL │
│ │ │
│ │◄──── Opens link ────────────────┤
│ │ Pre-filled form with │
│ │ attribution badges │
│ │ │
│ │◄──── Fills remaining fields ────┤
│ │◄──── Submits ──────────────────┤
│ │ │
│ ◄── Webhook delivery ───────┤ Validated, approved, │
│ (HMAC-signed) │ delivered to destination │
1. Agent creates a submission and fills fields it knows
2. FormBridge generates a secure resume URL with a rotating token
3. Human opens the link — sees pre-filled fields with "filled by agent" badges
4. Human completes remaining fields, uploads files, submits
5. Submission flows through validation → optional approval gates → webhook delivery
6. Every field tracks who filled it (agent, human, or system) and when
Packages
| Package | npm | Description |
|---------|-----|-------------|
| @formbridge/mcp-server | — | Core server — HTTP API, MCP tools, submission lifecycle, storage backends (main package) |
| @formbridge/create | 
npx @formbridge/create) |
| @formbridge/form-renderer | 
| @formbridge/schema-normalizer | 
| @formbridge/shared | 
| @formbridge/templates | 
| @formbridge/admin-dashboard | — | React SPA for managing intakes, reviewing submissions, and configuring approvals |
Quick Start
Installation
npm install @formbridge/mcp-server
Option 1: HTTP API Server
import { createFormBridgeApp } from '@formbridge/mcp-server';
import { serve } from '@hono/node-server';
const app = createFormBridgeApp({
intakes: [{
id: 'contact-form',
version: '1.0.0',
name: 'Contact Form',
schema: {
type: 'object',
properties: {
name: { type: 'string', title: 'Full Name' },
email: { type: 'string', format: 'email', title: 'Email' },
message: { type: 'string', title: 'Message' },
},
required: ['name', 'email', 'message'],
},
destination: {
type: 'webhook',
name: 'Contact API',
config: { url: 'https://api.example.com/contacts', method: 'POST' },
},
}],
});
serve({ fetch: app.fetch, port: 3000 });
console.log('FormBridge running on http://localhost:3000');
Full submission lifecycle:
```bash
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