Context Gateway

AI agent orchestration layer. Intent classifier (rule-based + LLM fallback). Multi-source retrieval planner with token budget allocation. Parallel executor with circuit breakers. 5-factor context ranker (semantic, centrality, recency, pattern, authority). Token budget compressor. Session memory with cross-session conflict detection. Permission filter. Tier-1 MCP server (4 tools) for AI agents. Reduces context tokens by 65% vs raw AI agent usage.