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Phase 1: Core Development Foundation

Duration: 2 weeks (14 days) | Goal: Working CLI + Basic MCP Server + OpenAI SDK Integration

Status: Ready to begin Depends on: Phase 0 completion Previous Phase: Phase 0: Repository & Documentation

🎯 Phase 1 Objectives

  • CLI Interface: Working agents-cli command with single-agent execution
  • MCP Server: Basic server that IDEs can connect to and execute tools
  • Configuration System: JSON-based agent and tool definitions
  • Security Framework: Safe tool execution with sandboxing
  • Basic SDK Integration: Single-agent execution foundation for Phase 2
  • Testing & Quality: Comprehensive test suite and CI/CD

📅 Timeline & Schedule

gantt
    title Phase 1 Critical Path (After Phase 0)
    dateFormat X
    axisFormat Day %d

    section Foundation
    Project Setup          :crit, milestone, setup, 0, 2
    Schema Design          :crit, schema, 1, 3
    Security Framework     :crit, security, 3, 5

    section Core Systems
    MCP Server             :crit, mcp, 2, 6
    CLI Framework          :cli, 1, 5
    SDK Integration        :crit, sdk, 4, 8

    section Integration
    Workflow Engine        :workflow, 6, 8
    Integration Testing    :testing, 7, 9

    section Milestones
    Alpha Release          :milestone, alpha, 9, 0
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Phase 1 Daily Assignment (After Phase 0):

  • Day 1-2: Node.js project setup and TypeScript configuration
  • Day 3-5: Configuration schema design and validation system
  • Day 4-7: CLI framework and command interface development
  • Day 6-9: MCP server basic implementation and tool registration
  • Day 8-11: Security layer, API key handling, and sandboxing
  • Day 9-13: OpenAI SDK integration with adapter pattern
  • Day 11-13: Basic workflow engine and execution patterns
  • Day 12-14: Integration testing and quality assurance

📋 Complete Task Breakdown

📦 1. Project Setup & Infrastructure (Days 1-2)

Critical Path - Blocks all other development Depends on: Phase 0 completion

1.1 Repository & Package Setup

  • 1.1.1 Initialize Node.js project with TypeScript
  • 1.1.2 Install core dependencies (OpenAI Agents SDK, Commander.js, Zod, etc.)
  • 1.1.3 Configure ESLint + Prettier with strict rules
  • 1.1.4 Set up Jest testing framework with TypeScript
  • 1.1.5 Create comprehensive GitHub Actions CI workflow

1.2 Project Structure Setup

  • 1.2.1 Expand directory structure for development
  • 1.2.2 Set up TypeScript path aliases and barrel exports
  • 1.2.3 Initialize example workflow configurations
  • 1.2.4 Create development and build scripts

🏗️ 2. Schema Design & Validation (Days 3-5)

Critical Path - Enables configuration and validation

2.1 Core Configuration Schema

  • 2.1.1 Design AgentConfig schema with Zod validation
  • 2.1.2 Create WorkflowSettings schema for execution patterns
  • 2.1.3 Define ToolConfig schema for different tool types

2.2 Configuration Loading & Validation

  • 2.2.1 Create ConfigLoader class with file format support
  • 2.2.2 Implement detailed schema validation with user-friendly errors
  • 2.2.3 Add configuration merge support (defaults + user config)
  • 2.2.4 Create validation CLI command

2.3 Example Configurations

  • 2.3.1 Create comprehensive code review workflow example
  • 2.3.2 Create architecture review workflow example
  • 2.3.3 Create minimal single-agent example
  • 2.3.4 Generate schema documentation from Zod definitions

🔌 3. MCP Server Basic Implementation (Days 6-9)

Critical Path - Essential for IDE integration

3.1 MCP Protocol Foundation

  • 3.1.1 Install and study MCP TypeScript dependencies
  • 3.1.2 Create AgentsMCPServer base class with proper initialization
  • 3.1.3 Implement core MCP protocol message handling

3.2 Tool Registration System

  • 3.2.1 Create MCPTool interface with comprehensive type safety
  • 3.2.2 Implement tool registry with validation and discovery
  • 3.2.3 Create tool result formatting for MCP responses
  • 3.2.4 Add comprehensive error handling and logging

3.3 Basic Built-in Tools

  • 3.3.1 Implement echo_tool for testing MCP connections
  • 3.3.2 Implement file_read_tool with security restrictions
  • 3.3.3 Create additional utility tools for basic operations

3.4 MCP Server Testing

  • 3.4.1 Create comprehensive MCP server integration tests
  • 3.4.2 Build manual testing scripts for development
  • 3.4.3 Test actual IDE integration (Cursor/VS Code)
  • 3.4.4 Validate MCP protocol compliance

💻 4. CLI Framework & Interface (Days 4-7)

4.1 CLI Command Structure

  • 4.1.1 Set up Commander.js with TypeScript
  • 4.1.2 Implement run command with comprehensive options
  • 4.1.3 Implement validate command for configuration testing
  • 4.1.4 Implement serve command for MCP server mode

4.2 Command Handlers

  • 4.2.1 Create RunWorkflowCommand with full workflow execution
  • 4.2.2 Create ValidateCommand with detailed validation feedback
  • 4.2.3 Create ServeCommand for MCP server startup
  • 4.2.4 Add global error handling with appropriate exit codes

4.3 Output Formatting

  • 4.3.1 Create console formatter with Chalk for colored output
  • 4.3.2 Implement structured JSON output writer
  • 4.3.3 Add streaming progress indicators
  • 4.3.4 Create results summary formatter

🔒 5. Security Layer & API Key Handling (Days 8-11)

Critical Path - Required for safe tool execution

5.1 Security Policy Framework

  • 5.1.1 Create comprehensive SecurityPolicy interface
  • 5.1.2 Implement SecurityPolicyValidator with file/network access controls
  • 5.1.3 Create default security policies for different environments
  • 5.1.4 Add security policy loading and validation

5.2 API Key & Credential Management

  • 5.2.1 Create secure credential manager with memory-only storage
  • 5.2.2 Implement environment variable validation with warnings
  • 5.2.3 Add secure credential file support with permissions validation
  • 5.2.4 Create comprehensive logging redaction for API keys

5.3 Tool Execution Sandboxing

  • 5.3.1 Create ToolExecutionContext with resource limits
  • 5.3.2 Implement security-wrapped tool execution
  • 5.3.3 Add resource monitoring (memory, CPU, execution time)
  • 5.3.4 Create comprehensive audit logging

5.4 Security Testing

  • 5.4.1 Create security test suite with malicious input scenarios
  • 5.4.2 Test file system access restrictions
  • 5.4.3 Verify API key redaction in all output scenarios
  • 5.4.4 Validate resource limit enforcement

⚡ 6. Basic OpenAI SDK Integration (Days 9-11) [SIMPLIFIED]

Foundation - Single-agent execution for Phase 1 MVP

6.1 Basic SDK Integration

  • 6.1.1 Set up OpenAI Agents SDK dependency

    • Install and configure OpenAI Agents SDK
    • Set up API client with authentication
    • Basic connection testing and validation
    • Error handling for API failures

  • 6.1.2 Create simple AgentRunner class

    • Single agent creation from configuration
    • Basic message sending and response handling
    • Simple tool execution integration
    • Basic error handling and logging

  • 6.1.3 Implement basic tool integration

    • Register MCP tools with agent
    • Tool execution through SDK
    • Result formatting for CLI output
    • Error propagation to user

6.2 Configuration Integration

  • 6.2.1 Agent creation from JSON config

    • Parse agent configuration from schema
    • Convert to SDK format
    • Model and parameter validation
    • Clear error messages for invalid configs

  • 6.2.2 Single-agent workflow execution

    • Execute one agent with given input
    • Tool execution during agent run
    • Collect and format results
    • Handle execution errors gracefully

6.3 CLI Integration

  • 6.3.1 Integrate with CLI run command

    • Load agent from configuration file
    • Execute single-agent workflow
    • Display results in CLI
    • Proper exit codes for success/failure

  • 6.3.2 Basic testing and validation

    • Unit tests for agent creation
    • Integration test with real OpenAI API
    • Example single-agent configuration
    • Error scenario testing

🧪 7. Integration Testing & Quality Assurance (Days 12-14)

7.1 End-to-End Testing

  • 7.1.1 Create comprehensive integration test suite
  • 7.1.2 Test CLI → MCP → SDK → Agent flow
  • 7.1.3 Validate IDE integration scenarios
  • 7.1.4 Test error handling and recovery scenarios

7.2 Performance Testing

  • 7.2.1 Benchmark CLI startup time (<2s requirement)
  • 7.2.2 Test workflow execution performance (<30s target)
  • 7.2.3 Validate memory usage and resource limits
  • 7.2.4 Test concurrent workflow handling

7.3 Security Validation

  • 7.3.1 Run comprehensive security audit
  • 7.3.2 Verify no credential leakage in logs/outputs
  • 7.3.3 Test tool sandboxing effectiveness
  • 7.3.4 Validate access control enforcement

7.4 Documentation & Examples

  • 7.4.1 Update README with working examples
  • 7.4.2 Create IDE integration documentation
  • 7.4.3 Generate API documentation
  • 7.4.4 Validate all examples work correctly

✅ Definition of Done - Phase 1

🎯 Must Complete:

  • ✅ CLI runs agents-cli run --config single-agent.json successfully
  • ✅ MCP server starts and registers tools for IDE connection
  • ✅ Security policies prevent unauthorized operations
  • ✅ Single-agent execution works with OpenAI SDK
  • ✅ Configuration validation provides clear error messages
  • ✅ Integration tests cover CLI → MCP → SDK → Single Agent flow

📊 Quality Gates:

  • All unit tests pass (>80% code coverage)
  • Integration tests with real OpenAI API pass
  • Security audit passes (no credential leakage)
  • Performance: CLI startup <2s, workflow execution <30s
  • Documentation: README with working examples

🚨 Success Criteria:

  • IDE can connect to MCP server and execute basic tools
  • Configuration-driven agent creation works
  • Security policies prevent file system abuse
  • Error handling provides actionable feedback
  • Foundation ready for Phase 2 feature expansion

🔄 Next Steps After Phase 1

Upon completion, Phase 1 delivers:

  • Working CLI with single-agent execution
  • MCP Server ready for IDE integration
  • Security Framework for safe tool execution
  • Basic OpenAI SDK Integration foundation
  • Example Single-Agent Configurations

Phase 2: Advanced Multi-Agent Workflows with handoffs, orchestration, and production features.

📚 Related Documents

This Phase 1 task breakdown provides clear, actionable items with dependencies, timelines, and success criteria for core development completion! 🚀