Hollow

Phase 4: Agent Autonomy — Self-Extension

Agents autonomously synthesize, test, propose, and deploy new capabilities.

Self-Modification Cycle

1. Gap Detection: Autonomy loop finds no capability matching intent
2. Synthesis: Generate new capability from gap description
3. Autonomous Testing: Create and run test cases (80% mock pass rate)
4. Proposal: Submit to quorum for multi-agent approval
5. Deployment: Register in execution engine immediately on approval
6. Usage: Agent can now use newly deployed capability

Integration Points

• AutonomyLoop (v2.7.0): Calls process_gap when no capability found
• CapabilitySynthesis (Phase 3): Optional integration for advanced synthesis
• AgentQuorum (Phase 3): Proposal voting mechanism
• ExecutionEngine (v2.6.0): Capability registration and deployment

Key Features

• Autonomous synthesis: Agents generate capability names, descriptions, and pseudo-code
• Built-in testing: Synthesized capabilities auto-tested before proposal
• Decentralized approval: Quorum votes on new capabilities (multi-agent governance)
• Full history: Complete audit trail of gaps, syntheses, tests, deployments
• Multi-agent isolation: Each agent's self-extension is independent

Capability Properties

• Name: Auto-generated from intent keywords
• Description: Semantic description of capability purpose
• Input/Output Schema: Defined during synthesis
• Implementation Sketch: Pseudo-code template for implementation
• Confidence Score: 0.0-1.0 agent confidence in synthesis
• Test Success Rate: Pass rate from autonomous testing

What This Enables

• Open-ended agent autonomy: Agents no longer limited to pre-defined capabilities
• Adaptive problem-solving: Agents synthesize capabilities for unforeseen challenges
• Collective intelligence: Quorum voting prevents bad syntheses from deploying
• Runtime extensibility: New capabilities available immediately after approval
• Self-improving loops: Agent can observe patterns and synthesize optimizations

Example Flow

Agent pursuing goal: "deliver notifications"
  ↓ detect gap: no notify capability
  ↓ process_gap("send notifications to users")
  ↓ synthesis: synthesize_notify_capability
  ↓ test: run test cases (4/5 pass = 80% success)
  ↓ propose: submit to quorum
  ↓ quorum approves: 3/4 agents vote yes
  ↓ deploy: register notify_sender to execution engine
  ↓ resume goal: now execute execute_step with new notify_sender capability

Test Coverage

• 15 integration tests, all passing
• Gap detection and recording
• Capability synthesis with metadata
• Autonomous testing with pass rates
• Proposal to quorum
• Deployment to execution engine
• Full cycle gap → synthesis → test → deploy
• Synthesis history tracking
• Gap resolution status transitions
• Integration with execution engine
• Multi-agent isolation
• Self-modification metrics

Architecture

All systems operate in embedding space:

• Gaps recorded with semantic intent descriptions
• Synthesized capabilities have semantic descriptions
• Quorum proposals include semantic context
• Execution engine registers by capability ID
• Full causality chain: intent → gap → synthesis → test → proposal → deployment

Progression

• v2.6.0: Execution + Reasoning (19 tests)
• v2.7.0: Autonomy Loop (9 tests)
• v2.8.0: Self-Modification (15 tests, total 43/54)
• v2.9.0: Self-Improvement (11 tests planned)
• v3.0.0: Complete Autonomous Agent (15+ tests planned)

Phase 4 Progress: 43/54 tests (80%)