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ChatGPT MCP Integration Guide

Connect ChatGPT to the Monta Partner API via MCP for automatic tool discovery and seamless integration.

Prerequisites

• ChatGPT Plus or Team subscription
• Monta Partner API credentials (Client ID and Client Secret)
• Get credentials from the Monta Partner Portal

Setup Instructions

1. Open ChatGPT Settings

1. Go to ChatGPT
2. Click your profile icon (bottom left)
3. Select Settings

2. Navigate to Connectors

1. In the settings menu, find Connectors (or Integrations)
2. Click Add connector or Configure MCP

3. Configure SSE Connection

Enter the following details:

Connection Type: SSE (Server-Sent Events)

Server URL:

https://partner-api-mcp.monta.app/sse

Authentication Method: OAuth 2.0 Client Credentials

OAuth Configuration:

• Client ID: your-monta-client-id
• Client Secret: your-monta-client-secret
• Token URL: https://partner-api.monta.com/api/v1/auth/token
• Grant Type: client_credentials

4. Test Connection

1. Click Test Connection or Connect
2. ChatGPT will authenticate with the Monta API
3. Once connected, you'll see "Monta Partner API" as an available connector

5. Start Using

In your ChatGPT conversation:

Use the Monta Partner API to list all my teams

ChatGPT will automatically discover and use the available tools.

Advantages Over Actions

1. Automatic Tool Discovery

   • No need to maintain OpenAPI schemas
   • Tools update automatically when API changes

2. Better Context Management

   • MCP provides better context handling
   • More efficient token usage

3. Unified Experience

   • Same MCP server works with multiple AI assistants
   • Consistent behavior across platforms

Comparison: Actions vs MCP

Feature	Actions	MCP
Setup Complexity	Manual schema required	Automatic discovery
Maintenance	Update schema for new endpoints	Zero maintenance
Protocol	HTTP REST	MCP (JSON-RPC)
Tool Discovery	Manual configuration	Automatic
Context Handling	Basic	Advanced
Current Availability	✅ Available now	🚧 Coming soon

Migration Path

When MCP becomes available in ChatGPT:

1. Keep using Actions if they work well for your use case
2. Consider MCP for:
   • Complex integrations
   • Frequently changing APIs
   • Multi-assistant deployments

What You Get

Once connected, ChatGPT has access to:

• Up to 185 API operations - Tools available depend on your credential scopes
  • Example: all:read + all:write = 164 tools (delete operations hidden)
  • Full all scope = all 185 tools
• Automatic tool discovery - No manual configuration needed
• Scope-based filtering - Only see tools you have permission to use
• OAuth token management - Handled automatically
• Workflow prompts - Pre-built templates for common tasks:
  • Start and monitor charging sessions
  • Manage teams and charge points
  • Configure pricing and webhooks
  • Restart charge points
  • Infrastructure management

Available Prompts

ChatGPT can use these workflow templates:

Prompt	Description
api-reference	API best practices and validation rules
start-charging	Guide to start a charging session
monitor-charging	Monitor sessions and charge point status
setup-webhooks	Configure real-time event notifications
manage-infrastructure	Manage teams and charge points
update-pricing	Configure charge point pricing
restart-charge-points	Bulk restart charge points with filtering

Example Queries

Try these in ChatGPT after connecting:

Basic Operations:

Show me all my teams
List charge points in team 123
What's the status of charge point 456?

Charging Workflows:

Start a charging session at charge point 789
Show me all active charging sessions
Stop the charging session with ID 101

Infrastructure Management:

Create a new team named "Downtown Fleet"
Add a charge point to site 42
Update pricing for charge point group 15

Monitoring:

Show me offline charge points in California
Restart all offline charge points in zip code 94102
Set up a webhook for charging session events

Troubleshooting

Connection Failed

Issue: "Unable to connect to MCP server"

Solutions:

1. Verify your Client ID and Client Secret are correct
2. Check that credentials are from the Partner Portal
3. Ensure you have an active Monta Partner API subscription

Authentication Errors

Issue: "OAuth authentication failed"

Solutions:

1. Regenerate your credentials in the Partner Portal
2. Verify the token URL is correct: https://partner-api.monta.com/api/v1/auth/token
3. Check that grant type is set to client_credentials

Tools Not Appearing

Issue: ChatGPT doesn't recognize Monta commands

Solutions:

1. Disconnect and reconnect the MCP connector
2. Start a new conversation
3. Explicitly mention "using the Monta Partner API" in your prompt

Advantages Over ChatGPT Actions

Feature	Actions	MCP
Setup	Manual OpenAPI schema	Automatic discovery
Maintenance	Update schema for changes	Zero maintenance
Tool Count	Limited by schema size	All 185+ tools available
Prompts	Not supported	7+ workflow templates
Updates	Manual schema updates	Auto-updated from API
Authentication	Per-request	Session-based OAuth

Security Notes

• Credentials are stored securely by ChatGPT
• OAuth tokens are refreshed automatically
• All communication is over HTTPS
• Tokens expire and are regenerated as needed
• You can revoke access anytime in the Partner Portal

Resources

• MCP Specification
• Monta Partner API Docs
• Alternative: ChatGPT Actions Guide
• Claude Desktop MCP Guide