lean-ctx 3.6.8

Context Runtime for AI Agents with CCP. 51 MCP tools, 10 read modes, 60+ compression patterns, cross-session memory (CCP), persistent AI knowledge with temporal facts + contradiction detection, multi-agent context sharing, LITM-aware positioning, AAAK compact format, adaptive compression with Thompson Sampling bandits. Supports 24+ AI tools. Reduces LLM token consumption by up to 99%.
Documentation 
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{
  "version": 1,
  "updated_at": "2026-05-18",
  "models": {
    "gpt-5.5": { "context_window": 1048576, "max_output": 128000 },
    "gpt-5.4-mini": { "context_window": 128000, "max_output": 16384 },
    "gpt-5.3": { "context_window": 128000, "max_output": 16384 },
    "gpt-5.2": { "context_window": 128000, "max_output": 16384 },
    "gpt-5": { "context_window": 128000, "max_output": 16384 },
    "gpt-4.1": { "context_window": 1047576, "max_output": 32768 },
    "gpt-4.1-mini": { "context_window": 1047576, "max_output": 32768 },
    "gpt-4.1-nano": { "context_window": 1047576, "max_output": 32768 },
    "gpt-4o": { "context_window": 128000, "max_output": 16384 },
    "gpt-4o-mini": { "context_window": 128000, "max_output": 16384 },
    "gpt-4-turbo": { "context_window": 128000, "max_output": 4096 },
    "o1": { "context_window": 200000, "max_output": 100000 },
    "o1-mini": { "context_window": 128000, "max_output": 65536 },
    "o1-pro": { "context_window": 200000, "max_output": 100000 },
    "o3": { "context_window": 200000, "max_output": 100000 },
    "o3-mini": { "context_window": 200000, "max_output": 65536 },
    "o3-pro": { "context_window": 200000, "max_output": 100000 },
    "o4-mini": { "context_window": 200000, "max_output": 100000 },
    "codex-mini": { "context_window": 192000, "max_output": 16384 },
    "claude-opus-4": { "context_window": 200000, "max_output": 32000 },
    "claude-sonnet-4": { "context_window": 200000, "max_output": 16000 },
    "claude-4-opus": { "context_window": 200000, "max_output": 32000 },
    "claude-4-sonnet": { "context_window": 200000, "max_output": 16000 },
    "claude-4.5-opus": { "context_window": 200000, "max_output": 32000 },
    "claude-4.5-sonnet": { "context_window": 200000, "max_output": 16000 },
    "claude-4.6-opus": { "context_window": 200000, "max_output": 32000 },
    "claude-4.6-sonnet": { "context_window": 200000, "max_output": 16000 },
    "claude-3.5-sonnet": { "context_window": 200000, "max_output": 8192 },
    "claude-3.5-haiku": { "context_window": 200000, "max_output": 8192 },
    "gemini-2.5-pro": { "context_window": 1048576, "max_output": 65536 },
    "gemini-2.5-flash": { "context_window": 1048576, "max_output": 65536 },
    "gemini-2.0-flash": { "context_window": 1048576, "max_output": 8192 },
    "gemini-1.5-pro": { "context_window": 2097152, "max_output": 8192 },
    "gemini-3.0-pro": { "context_window": 1048576, "max_output": 65536 },
    "gemini-3.1-pro": { "context_window": 1048576, "max_output": 65536 },
    "deepseek-v3": { "context_window": 128000, "max_output": 8192 },
    "deepseek-r1": { "context_window": 128000, "max_output": 8192 },
    "mistral-large": { "context_window": 128000, "max_output": 4096 },
    "codestral": { "context_window": 256000, "max_output": 8192 },
    "mistral-medium": { "context_window": 128000, "max_output": 4096 }
  },
  "families": {
    "gpt-5": 128000,
    "gpt-4": 128000,
    "claude": 200000,
    "opus": 200000,
    "sonnet": 200000,
    "o1": 200000,
    "o3": 200000,
    "o4": 200000,
    "gemini": 1048576,
    "deepseek": 128000,
    "mistral": 128000,
    "codestral": 256000,
    "codex": 192000
  }
}