enum MCPProtocolVersion 🔹

Language	Type name
.NET	Amazon.CDK.AWS.Bedrock.Agentcore.Alpha.MCPProtocolVersion
Go	github.com/aws/aws-cdk-go/awsbedrockagentcorealpha/v2#MCPProtocolVersion
Java	software.amazon.awscdk.services.bedrock.agentcore.alpha.MCPProtocolVersion
Python	aws_cdk.aws_bedrock_agentcore_alpha.MCPProtocolVersion
TypeScript (source)	@aws-cdk/aws-bedrock-agentcore-alpha » MCPProtocolVersion

MCP protocol versions.

The Model Context Protocol uses string-based version identifiers following the format YYYY-MM-DD, to indicate the last date backwards incompatible changes were made. Versions are available at https://github.com/modelcontextprotocol/modelcontextprotocol/releases

Example

// Create a KMS key for encryption
const encryptionKey = new kms.Key(this, "GatewayEncryptionKey", {
  enableKeyRotation: true,
  description: "KMS key for gateway encryption",
});

// Create gateway with KMS encryption
const gateway = new agentcore.Gateway(this, "MyGateway", {
  gatewayName: "my-encrypted-gateway",
  description: "Gateway with KMS encryption",
  protocolConfiguration: new agentcore.McpProtocolConfiguration({
    instructions: "Use this gateway to connect to external MCP tools",
    searchType: agentcore.McpGatewaySearchType.SEMANTIC,
    supportedVersions: [agentcore.MCPProtocolVersion.MCP_2025_03_26],
  }),
  authorizerConfiguration: agentcore.GatewayAuthorizer.usingCustomJwt({
    discoveryUrl: "https://auth.example.com/.well-known/openid-configuration",
    allowedAudience: ["my-app"],
    allowedClients: ["my-client-id"],
  }),
  kmsKey: encryptionKey,
  exceptionLevel: agentcore.GatewayExceptionLevel.DEBUG,
});

Members

Name	Description
MCP_2025_06_18 🔹	The latest version of the MCP protocol.
MCP_2025_03_26 🔹	MCP version 2025-03-26.

---

MCP_2025_06_18 🔹

The latest version of the MCP protocol.

---

MCP_2025_03_26 🔹

MCP version 2025-03-26.