Gravity MCP

GravityMCP

A Model Context Protocol (MCP) server for Gravity Forms. Interact with your WordPress forms, feeds, and entries through any MCP-compatible client.

Built by GravityKit for the Gravity Forms community.

Features

Comprehensive API Coverage: Gravity Forms API endpoints
Smart Field Management: Intelligent field operations with dependency tracking
Advanced Search: Complex filtering and searching capabilities for entries
Form Submissions: Full submission workflow with validation
Add-on Integration: Manage feeds for MailChimp, Stripe, PayPal, and more
Type-Safe: Comprehensive validation for all operations
Battle-Tested: Extensive test suite with real-world scenarios

Quick Start

Prerequisites

Node.js 18+
WordPress with Gravity Forms 2.5+
HTTPS-enabled WordPress site (required for authentication)

Installation

Clone the repository
git clone https://github.com/GravityKit/GravityMCP.git cd GravityMCP npm install
Set up environment
cp .env.example .env
Configure credentials in .env:
GRAVITY_FORMS_CONSUMER_KEY=your_key_here GRAVITY_FORMS_CONSUMER_SECRET=your_secret_here GRAVITY_FORMS_BASE_URL=https://yoursite.com
Generate API credentials in WordPress:
- Go to Forms → Settings → REST API
- Click Add Key
- Save the Consumer Key and Secret
Add to Claude DesktopEdit ~/Library/Application Support/Claude/claude_desktop_config.json:
{ "mcpServers": { "gravitymcp": { "command": "node", "args": ["/path/to/GravityMCP/src/index.js"], "env": { "GRAVITY_FORMS_CONSUMER_KEY": "your_key", "GRAVITY_FORMS_CONSUMER_SECRET": "your_secret", "GRAVITY_FORMS_BASE_URL": "https://yoursite.com" } } } }

Available Tools

Forms (6 tools)

gf_list_forms - List forms with filtering and pagination
gf_get_form - Get complete form configuration
gf_create_form - Create new forms with fields
gf_update_form - Update existing forms
gf_delete_form - Delete forms (requires ALLOW_DELETE=true)
gf_validate_form - Validate form data

Entries (5 tools)

gf_list_entries - Search entries with advanced filters
gf_get_entry - Get specific entry details
gf_create_entry - Create new entries
gf_update_entry - Update existing entries
gf_delete_entry - Delete entries (requires ALLOW_DELETE=true)

Field Operations (4 tools)

gf_add_field - Add fields with intelligent positioning
gf_update_field - Update fields with dependency checking
gf_delete_field - Delete fields with cascade options
gf_list_field_types - List available field types

Submissions (2 tools)

gf_submit_form_data - Submit forms with full processing
gf_validate_submission - Validate without submitting

Add-ons (7 tools)

gf_list_feeds - List all add-on feeds
gf_get_feed - Get specific feed configuration
gf_list_form_feeds - List feeds for a specific form
gf_create_feed - Create new add-on feeds
gf_update_feed - Update existing feeds
gf_patch_feed - Partially update feed properties
gf_delete_feed - Delete add-on feeds

Usage Examples

Search Entries

await mcp.call('gf_list_entries', {
  search: {
    field_filters: [
      { key: "1.3", value: "John", operator: "contains" },
      { key: "date_created", value: "2024-01-01", operator: ">=" }
    ],
    mode: "all"
  },
  sorting: { key: "date_created", direction: "desc" }
});

Add Fields

await mcp.call('gf_add_field', {
  form_id: 1,
  field_type: 'email',
  properties: {
    label: 'Email Address',
    isRequired: true
  }
});

Submit Forms

await mcp.call('gf_submit_form_data', {
  form_id: 1,
  input_1: "John Doe",
  input_2: "john@example.com",
  input_3: "Message content"
});

Configuration

Required Environment Variables

GRAVITY_FORMS_CONSUMER_KEY - API consumer key
GRAVITY_FORMS_CONSUMER_SECRET - API consumer secret
GRAVITY_FORMS_BASE_URL - WordPress site URL

Optional Settings

GRAVITY_FORMS_ALLOW_DELETE=false - Enable delete operations
GRAVITY_FORMS_TIMEOUT=30000 - Request timeout (ms)
GRAVITY_FORMS_DEBUG=false - Enable debug logging

Test Environment Configuration

The server supports dual environment configuration to safely test without affecting production data.

Setting Up Test Environment

Add test site credentials to your .env file alongside production credentials:

# Production/Live Site
GRAVITY_FORMS_CONSUMER_KEY=ck_live_key
GRAVITY_FORMS_CONSUMER_SECRET=cs_live_secret
GRAVITY_FORMS_BASE_URL=https://www.yoursite.com

# Test/Staging Site (recommended for safe testing)
GRAVITY_FORMS_TEST_CONSUMER_KEY=ck_test_key
GRAVITY_FORMS_TEST_CONSUMER_SECRET=cs_test_secret
GRAVITY_FORMS_TEST_BASE_URL=https://staging.yoursite.com

# Enable test mode (optional)
GRAVITY_MCP_TEST_MODE=true

Test Environment Features

When using test configuration:

Automatic test form prefixing - All test forms created with "TEST_" prefix
Auto-cleanup - Test forms automatically removed after testing
Environment isolation - Complete separation from production data
Safe experimentation - Test destructive operations without risk

Using Test Mode

# Verify test environment configuration
GRAVITY_MCP_TEST_MODE=true npm run check-env

# Create test data on test site (requires test credentials)
npm run setup-test-data

# Run all tests against test site (auto-detects test credentials)
npm test

# Interactive testing with MCP Inspector (test mode)
GRAVITYMCP_TEST_MODE=true npm run inspect

# Run specific test suites against test site
NODE_ENV=test npm run test:forms
NODE_ENV=test npm run test:entries
NODE_ENV=test npm run test:submissions

Test Mode Detection

The server automatically uses test configuration when:

GRAVITYMCP_TEST_MODE=true is set
OR NODE_ENV=test is set
OR test credentials are configured and test commands are run

Test Safety Features

The server includes multiple safety mechanisms to prevent accidental production data contamination:

Test Credential Requirements - The setup-test-data script will fail by default if test credentials aren't configured
No Silent Fallbacks - Scripts that create or modify data won't silently fall back to production
Explicit Production Override - Production usage requires scary --force-production flag with warnings
Clear Error Messages - Helpful guidance on configuring test credentials when missing
Test Data Prefixing - All test forms automatically prefixed with "TEST_" for easy identification

Best Practices

Always configure a test environment - Use a staging/test WordPress site
Never test on production first - Validate on test site before production
Keep test credentials separate - Different API keys for test vs live
Use prefixes for test data - Makes cleanup easy and identification clear
Enable debug mode for testing - GRAVITY_FORMS_DEBUG=true for detailed logs
Review safety warnings - Take warnings seriously when they appear

Testing

# Run all tests
npm run test:all

# Run specific test suites
npm run test:forms
npm run test:entries
npm run test:field-operations

# Run with live API (requires credentials)
npm test

Security

HTTPS Required: All API communication encrypted
Delete Protection: Destructive operations disabled by default
Input Validation: All inputs validated before API calls
Rate Limiting: Automatic retry with exponential backoff

Troubleshooting

Connection Issues

Verify credentials with npm run check-env
Ensure WordPress site is HTTPS-enabled
Check REST API is enabled in Gravity Forms settings

Authentication Errors

Confirm API keys are correct
Verify user has appropriate Gravity Forms capabilities
Check Forms → Settings → REST API for key status

Debug Mode

Enable detailed logging:

GRAVITY_FORMS_DEBUG=true

Support

License

GPL-2.0 License - see LICENSE file for details.

Contributing

We welcome contributions from the Gravity Forms community! Whether you're building add-ons, managing forms, or integrating with other services, your insights and code contributions can help everyone.

How to Contribute

Fork the repository - Start by creating your own copy
Create a feature branch - Keep your changes organized
Add tests - Ensure reliability with test coverage
Run the test suite - Verify everything works with npm run test:all
Submit a pull request - Share your improvements with the community

Contribution Ideas

For Add-on Developers:

Add support for your add-on's feed types
Enhance field type definitions for custom fields
Share integration patterns that work well

For Form Builders:

Improve field validation logic
Add helper utilities for common tasks
Enhance error messages and debugging

For Everyone:

Report bugs or suggest features via GitHub Issues
Improve documentation and examples
Share your use cases and workflows

Your contributions help make Gravity Forms automation better for everyone. Let's build something great together!