MCP Server

🚀 ConfigCat MCP Server

The ConfigCat MCP Server offers access to ConfigCat's public management API for feature flag and configuration management. It allows your code editor to recognize your feature flags, integrate the appropriate ConfigCat SDK into your project, and even create new feature flags directly in your codebase.

🚀 Quick Start

The ConfigCat MCP Server provides access to ConfigCat's public management API for feature flag and configuration management. It also enables your code editor to understand your feature flags, integrate the appropriate ConfigCat SDK into your project, or even create new feature flags directly in your codebase.

✨ Features

• Tools:
  • A complete set of tools for ConfigCat's public management API operations. You can Create, Read, Update, and Delete any entities such as Feature Flags, Configs, Environments, or Products within ConfigCat.
  • Obtain comprehensive SDK documentation and code examples for seamless feature flag implementation in your project.

📦 Installation

You can use the following environment variables to configure the MCP server.

Cursor

1. Open Preferences -> Cursor Settings -> MCP & Integrations.
2. Click Add Custom MCP.
3. Add the following server definition for the ConfigCat MCP server:

{
  "mcpServers": {
    "ConfigCat": {
      "command": "npx",
      "args": ["-y", "@configcat/mcp-server"],
      "env": {
        "CONFIGCAT_API_USER": "YOUR_API_USER",
        "CONFIGCAT_API_PASS": "YOUR_API_PASSWORD"
      }
    }
  }
}

4. Save the settings.

Visual Studio Code

1. Create a .vscode/mcp.json file in your project root with the following content:

{
  "servers": {
    "ConfigCat": {
      "command": "npx",
      "args": ["-y", "@configcat/mcp-server"],
      "env": {
        "CONFIGCAT_API_USER": "YOUR_API_USER",
        "CONFIGCAT_API_PASS": "YOUR_API_PASSWORD"
      }
    }
  }
}

2. Save the settings file. The MCP server should now be available in VS Code.

Claude Desktop

1. Open Settings → Developer.
2. Click Edit Config.
3. Open claude_desktop_config.json.
4. Add the following server definition for the ConfigCat MCP server:

{
  "mcpServers": {
    "ConfigCat": {
      "command": "npx",
      "args": ["-y", "@configcat/mcp-server"],
      "env": {
        "CONFIGCAT_API_USER": "YOUR_API_USER",
        "CONFIGCAT_API_PASS": "YOUR_API_PASSWORD"
      }
    }
  }
}

5. Save and restart Claude.

📚 Documentation

Membership Management

Organizations

• list-organizations: List all organizations.

Members

• list-organization-members: List organization members.
• list-pending-invitations: List pending invitations.
• list-pending-invitations-org: List org pending invitations.
• list-product-members: List product members.
• invite-member: Invite a new member.
• update-member-permissions: Update the permissions of a member.
• delete-organization-member: Remove an organization member.
• delete-product-member: Remove a product member.
• delete-invitation: Cancel an invitation.

Permission Groups

• list-permission-groups: List permission groups.
• create-permission-group: Create a new permission group.
• get-permission-group: Get permission group details.
• update-permission-group: Update a permission group.
• delete-permission-group: Delete a permission group.

General

Products

• list-products: List all products.
• get-product: Get specific product details.
• update-product: Update an existing product.
• delete-product: Delete a product.
• get-product-preferences: Get product preferences.
• update-product-preferences: Update product preferences.
• create-product: Create a new product.

Configs

• list-configs: List configs for a product.
• create-config: Create a new config.
• get-config: Get specific config details.
• update-config: Update an existing config.
• delete-config: Delete a config.

Environments

• list-environments: List environments for a product.
• create-environment: Create a new environment.
• get-environment: Get specific environment details.
• update-environment: Update an existing environment.
• delete-environment: Delete an environment.

Segments

• list-segments: List user segments.
• create-segment: Create a new segment.
• get-segment: Get specific segment details.
• update-segment: Update an existing segment.
• delete-segment: Delete a segment.

SDK Keys

• get-sdk-keys: Get SDK keys for a config/environment.

Webhooks

• list-webhooks: List webhooks.
• get-webhook: Get webhook details.
• replace-webhook: Replace webhook configuration.
• update-webhook: Update an existing webhook.
• delete-webhook: Delete a webhook.
• get-webhook-signing-keys: List webhook signing keys.
• create-webhook: Create a new webhook.

Integrations

• list-integrations: List integrations.
• create-integration: Create a new integration.
• get-integration: Get integration details.
• update-integration: Update an existing integration.
• delete-integration: Delete an integration.

Code References

• get-code-references: Get code references.

Diagnostics

Audit logs

• list-auditlogs: Get product audit logs.
• list-organization-auditlogs: Get organization audit logs.

Zombie (stale) flags

• list-staleflags: Get a stale feature flags report.

Feature Flag metadata

Feature Flags & Settings

• list-settings: List feature flags for a config.
• create-setting: Create a new feature flag.
• get-setting: Get specific feature flag details.
• replace-setting: Replace feature flag configuration.
• update-setting: Update an existing feature flag.
• delete-setting: Delete a feature flag.

Tags

• list-tags: List tags for a product.
• create-tag: Create a new tag.
• list-settings-by-tag: Get feature flags by tag.
• get-tag: Get specific tag details.
• update-tag: Update an existing tag.
• delete-tag: Delete a tag.

Feature Flag & Setting Values (v1 & v2 APIs)

• get-setting-value: Get a feature flag value.
• update-setting-value: Update a feature flag value.
• replace-setting-value: Replace a feature flag value.
• get-setting-values: Get multiple setting values.
• post-setting-values: Update multiple setting values.
• V2 variants: *-v2 versions of the above tools for Config V2.

SDK documentation

• update-sdk-documentation: Get comprehensive SDK documentation and code examples for seamless feature flag implementation in your project.

🔧 Technical Details

The ConfigCat public API has rate limits. The server will respect these limits and return appropriate error messages if limits are exceeded.

📄 License

This server is designed for management operations only. Do not use it for evaluating feature flag values in production applications - use the ConfigCat SDKs or ConfigCat Proxy instead.

⚠️ Important Note

This server is for management operations only. Do not use it for evaluating feature flag values in production applications. Use the ConfigCat SDKs or ConfigCat Proxy instead.

Need help?

https://configcat.com/support

Contributing

Contributions are welcome. For more info please read the Contribution Guideline.

About ConfigCat

• ConfigCat MCP server documentation
• Documentation
• Blog