Manages context window optimization, session state persistence, and token budget allocation for multi-agent workflows. Use for token budget management, context limits, or session handoff across agents.
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SKILL.md
Quellanweisungen · Schreibgeschützte Vorschau
name
moai-foundation-context
description
Manages context window optimization, session state persistence, and token budget allocation for multi-agent workflows. Use for token budget management, context limits, or session handoff across agents.
Enterprise Context and Session Management - Unified context optimization and session state management for Claude Code with 200K token budget management, session persistence, and multi-agent handoff protocols.
Quality Over Quantity: 10% relevant context beats 90% noise.
Implementation Guide
Features
Intelligent context window management for Claude Code sessions
Progressive file loading with priority-based caching
Token budget tracking and optimization alerts
Selective context preservation across /clear boundaries
MCP integration context persistence
When to Use
Managing large codebases exceeding 150K token limits
Optimizing token usage in long-running development sessions
Preserving critical context across session resets
Coordinating multi-agent workflows with shared context
Debugging context-related issues in Claude Code
Core Patterns
Pattern 1 - Progressive File Loading:
Load files by priority tiers. Tier 1 includes CLAUDE.md and config.json which are always loaded. Tier 2 includes current SPEC and implementation files. Tier 3 includes related modules and dependencies. Tier 4 includes reference documentation loaded on-demand.
Pattern 2 - Context Checkpointing:
Monitor token usage with warning at 150K and critical at 180K. Identify essential context to preserve. Execute /clear to reset session. Reload Tier 1 and Tier 2 files automatically. Resume work with preserved context.
Pattern 3 - MCP Context Continuity:
Preserve MCP agent context across /clear by storing the agent_id. After /clear, context is restored through fresh MCP agent initialization.
Core Patterns Detail
Pattern 1: Token Budget Management
Concept: Strategic allocation and monitoring of 200K token context window.
Budget Breakdown: System Prompt and Instructions take approximately 15K tokens at 7.5%, including CLAUDE.md at 8K, Command definitions at 4K, and Skill metadata at 3K. Active Conversation takes approximately 80K tokens at 40%, including Recent messages at 50K, Context cache at 20K, and Active references at 10K. Reference Context with Progressive Disclosure takes approximately 50K at 25%, including Project structure at 15K, Related Skills at 20K, and Tool definitions at 15K. Reserve for Emergency Recovery takes approximately 55K tokens at 27.5%, including Session state snapshot at 10K, TAGs and cross-references at 15K, Error recovery context at 20K, and Free buffer at 10K.
Monitoring Thresholds: When usage exceeds 85%, trigger emergency compression and execute clear command. When usage exceeds 75%, defer non-critical context and warn user of approaching limit. When usage exceeds 60%, track context growth patterns.
Use Case: Prevent context overflow in long-running SPEC-First workflows.
Pattern 2: Aggressive /clear Strategy
Concept: Proactive context clearing at strategic checkpoints to maintain efficiency.
Mandatory /clear Points: After /moai:1-plan completion to save 45-50K tokens. When context exceeds 150K tokens to prevent overflow. When conversation exceeds 50 messages to remove stale history. Before major phase transitions for clean slate. During model switches for Haiku to Sonnet handoffs.
Use Case: Maximize token efficiency across SPEC-Run-Sync cycles.
Pattern 3: Session State Persistence
Concept: Maintain session continuity across interruptions with state snapshots.
Session State Layers: L1 is the Context-Aware Layer for Claude 4.5+ with token budget tracking, context window position, auto-summarization triggers, and model-specific optimizations. L2 is Active Context for current task, variables, and scope. L3 is Session History for recent actions and decisions. L4 is Project State for SPEC progress and milestones. L5 is User Context for preferences, language, and expertise. L6 is System State for tools, permissions, and environment.
Use Case: Resume long-running tasks after interruptions without context loss.
Pattern 4: Multi-Agent Handoff Protocols
Concept: Seamless context transfer between agents with minimal token overhead.
Handoff Package Contents: Include handoff_id, from_agent, to_agent, session_context with session_id, model, context_position, available_tokens, and user_language, task_context with spec_id, current_phase, completed_steps, and next_step, and recovery_info with last_checkpoint, recovery_tokens_reserved, and session_fork_available.
Handoff Validation: Check token budget with minimum 30K available buffer. Verify agent compatibility. Trigger context compression if needed.
Use Case: Efficient Plan to Run to Sync workflow execution.
Pattern 5: Progressive Disclosure and Memory Optimization
Concept: Load context progressively based on relevance and need.
Progressive Summarization: Extract key sentences to compress 50K to 15K at target ratio of 0.3. Add pointers to original content for reference. Store original in session archive for recovery. Result saves approximately 35K tokens.
Context Tagging: Avoid high token cost phrases like "The user configuration from the previous 20 messages..." and use efficient references like "Refer to @CONFIG-001 for user preferences".
Use Case: Maintain context continuity while minimizing token overhead.
Advanced Documentation
For detailed patterns and implementation strategies:
modules/handoff-protocols.md - Inter-agent communication, package format, validation
modules/memory-mcp-optimization.md - Memory file structure, MCP server configuration
modules/reference.md - API reference, troubleshooting, best practices
Best Practices
Recommended Practices:
Execute /clear immediately after SPEC creation
Monitor token usage and plan accordingly
Use context-aware token budget tracking
Create checkpoints before major operations
Apply progressive summarization for long workflows
Enable session persistence for recovery
Use session forking for parallel exploration
Keep memory files under 500 lines each
Disable unused MCP servers to reduce overhead
Required Practices:
Maintain bounded context history with regular clearing cycles. Unbounded context accumulation degrades performance and increases token costs exponentially. This prevents context overflow, maintains consistent response quality, and reduces token waste by 60-70%.
Respond to token budget warnings immediately when usage exceeds 150K tokens. Operating in the final 20% of context window causes significant performance degradation.
Execute state validation checks during session recovery operations. Invalid state can cause workflow failures and data loss in multi-step processes.
Persist session identifiers before any context clearing operations. Session IDs are the only reliable mechanism for resuming interrupted workflows.
Execute context compression or clearing when usage reaches 85% threshold. This maintains 55K token emergency reserve and prevents forced interruptions.
Works Well With
moai-cc-memory - Memory management and context persistence
moai-cc-configuration - Session configuration and preferences
moai-core-workflow - Workflow state persistence and recovery
moai-cc-agents - Agent state management across sessions
moai-foundation-trust - Quality gate integration
Workflow Integration
Session Initialization: Initialize token budget with Pattern 1, load session state with Pattern 3, setup progressive disclosure with Pattern 5, configure handoff protocols with Pattern 4.
SPEC-First Workflow: Execute /moai:1-plan, then mandatory /clear to save 45-50K tokens, then /moai:2-run SPEC-XXX, then multi-agent handoffs with Pattern 4, then /moai:3-sync SPEC-XXX, then session state persistence with Pattern 3.
Context Monitoring: Continuously track token usage with Pattern 1, apply progressive disclosure with Pattern 5, execute /clear at thresholds with Pattern 2, validate handoffs with Pattern 4.
Success Metrics
Token Efficiency: 60-70% reduction through aggressive clearing
Context Overhead: Less than 15K tokens for system/skill metadata
Handoff Success Rate: Greater than 95% with validation
Session Recovery: Less than 5 seconds with state persistence
Memory Optimization: Less than 500 lines per memory file
