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Merged
mateoCuervo merged 2 commits into from
Nov 26, 2025
Merged

feat-use-api-key-first #39

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f17b89f
update client.go
mateoCuervo Nov 26, 2025
2d0bb2e
update oauth.go
mateoCuervo Nov 26, 2025
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25 changes: 13 additions & 12 deletions pkg/auth/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,17 @@ import (

// GetAuthenticatedClient returns a Kernel client with appropriate authentication
func GetAuthenticatedClient(opts ...option.RequestOption) (*kernel.Client, error) {
// Try to use stored OAuth tokens first
// Try to use API key first if available
apiKey := os.Getenv("KERNEL_API_KEY")
if apiKey != "" {
pterm.Debug.Println("Using API key authentication")

authOpts := append(opts, option.WithHeader("Authorization", "Bearer "+apiKey))
client := kernel.NewClient(authOpts...)
return &client, nil
}

// Fallback to OAuth tokens if no API key is available
tokens, err := LoadTokens()
if err == nil {
// Check if access token is expired and refresh if needed
Expand Down Expand Up @@ -41,15 +51,6 @@ func GetAuthenticatedClient(opts ...option.RequestOption) (*kernel.Client, error
return &client, nil
}

// Fallback to API key if no OAuth tokens are available
apiKey := os.Getenv("KERNEL_API_KEY")
if apiKey == "" {
return nil, fmt.Errorf("no authentication available. Please run 'kernel login' or set KERNEL_API_KEY environment variable")
}

pterm.Debug.Println("Using API key authentication (fallback)")

authOpts := append(opts, option.WithHeader("Authorization", "Bearer "+apiKey))
client := kernel.NewClient(authOpts...)
return &client, nil
// No authentication available
return nil, fmt.Errorf("no authentication available. Please run 'kernel login' or set KERNEL_API_KEY environment variable")
}
11 changes: 11 additions & 0 deletions pkg/auth/oauth.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,11 +25,22 @@ var successHTML string

const (
// MCP Server OAuth endpoints (which proxy to Clerk)
// Production
AuthURL = "https://auth.onkernel.com/authorize"
TokenURL = "https://auth.onkernel.com/token"

// Staging
// AuthURL = "https://auth.dev.onkernel.com/authorize"
// TokenURL = "https://auth.dev.onkernel.com/token"

// Local
// AuthURL = "http://localhost:3002/authorize"
// TokenURL = "http://localhost:3002/token"

// OAuth client configuration
ClientID = "hmFrJn9hKDV2N02M" // Prod Kernel CLI OAuth Client ID
// ClientID = "gkUVbm11p6EqKd7r" // Staging Kernel CLI OAuth Client ID
// ClientID = "J7i8BKwyFBoyPQN3" // Local Kernel CLI OAuth Client ID
RedirectURI = "http://localhost"

// OAuth scopes - openid for the MCP server flow
Expand Down