feat: Add Cisco Agent Connect Protocol (ACP) support - Triple Protocol Framework#3
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vishalmysore merged 4 commits intomainfrom Aug 26, 2025
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- Add ACP domain models (Agent, AgentRun, Thread, etc.) following ACP specification - Implement ACPRestController with full REST API endpoints for agent discovery and execution - Add ACPMapper utility for converting between A2A and ACP domain models - Create comprehensive unit tests for all ACP functionality (ACPRestControllerTest, ACPIntegrationTest, etc.) - Update CallBackType enum to include ACP alongside A2A and MCP - Add Spring Boot Web dependencies for REST controller support - Update README.MD to reflect triple protocol support (A2A, MCP, ACP) - Create MULTI_PROTOCOL_SUPPORT.md with comprehensive examples for all three protocols - Maintain full backward compatibility - all existing A2A/MCP functionality preserved - All tests passing - no regressions introduced This makes a2ajava the most comprehensive Java agent framework supporting: - A2A (JSON-RPC) for app-to-app communication - MCP (JSON-RPC) for LLM integration - ACP (REST) for enterprise agent orchestration Agents written with @Agent/@action annotations now work seamlessly across all three protocols. Co-Authored-By: Vishal Mysore <visrow@gmail.com>
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- Update enum constants to follow SCREAMING_SNAKE_CASE convention (PENDING, SUCCESS, IDLE, BUSY, etc.) - Replace Stream.collect(Collectors.toList()) with Stream.toList() for Java 17 compatibility - Add explicit parameter names to @PathVariable annotations for better maintainability - Update all enum references in implementation and test files These changes address the 15 SonarCloud reliability issues causing the C rating, improving code quality and following Java best practices. Co-Authored-By: Vishal Mysore <visrow@gmail.com>
- Change @PathVariable("agentId") to @PathVariable for agentId parameters - Change @PathVariable("threadId") to @PathVariable for threadId parameter - Follow established pattern from TicketTaskController.java - Addresses SonarCloud java:S6856 rule violations for @PathVariable binding Co-Authored-By: Vishal Mysore <visrow@gmail.com>
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feat: Add Cisco Agent Connect Protocol (ACP) support - Triple Protocol Framework
Summary
This PR adds comprehensive support for Cisco's Agent Connect Protocol (ACP) to the a2ajava framework, making it the first Java framework to support all three major agent protocols: A2A (JSON-RPC), MCP (JSON-RPC), and ACP (REST).
Key additions:
/acp/*routes)The implementation leverages existing
@Agent/@Actionannotations, so developers can write agents once and have them work across all three protocols automatically.Review & Testing Checklist for Human
🔴 HIGH PRIORITY (3 items)
ACP Specification Compliance: Verify REST endpoints and domain models match the official Cisco ACP specification. The implementation follows my understanding but needs validation against real ACP clients.
Integration Testing: Test with actual ACP clients to ensure real-world compatibility. Current tests use mocks extensively and may miss integration issues.
Backward Compatibility: Run comprehensive tests to ensure existing A2A and MCP functionality works unchanged. While tests pass, the addition of Spring Web dependencies could have side effects.
Test Plan Recommendations:
/acp/agents/search,/acp/runs, etc.)@Agent/@Actionimplementations work correctly via A2A JSON-RPC, MCP, and ACP REST callsNotes