Enables whole-codebase code search using natural language queries by leveraging DeepSeek's 1M context window. Automatically shards large projects and utilizes prefix caching for cost-effective repeated searches.
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process.env. You'll be asked to provide them before it can run.DEEPSEEK_API_KEY— "": "sk-..."DEEPSEEK_BASE_URLFLASHLIGHT_CHANGE_THRESHOLD— 0.1 Ratio of changed tokens to trigger base rebuildFLASHLIGHT_EXT_WHITELIST— Priority: project config > env var > built-in defaults.FLASHLIGHT_MAX_CONTEXT_TOKENS— 900000 Max tokens per shard (triggers auto-sharding when exceeded)FLASHLIGHT_MODEL— deepseek-v4-flash Model (deepseek-v4-flash or deepseek-v4-pro)FLASHLIGHT_REASONING_EFFORT— max Thinking effort (high or max)[](https://m8ven.ai/mcp/1percentsync-flashlight-6914xc)