Filesystems beat MCP calls by 100x for context retrieval
ml_guy1 · reddit · 2026-08-20
In 20 cross-app scenarios, we compared MCP protocol vs. syncing app data to a local filesystem. Results: for context retrieval, the filesystem setup using parallel rg took 0.3s, while the MCP agent needed 21 calls and 1 minute. The filesystem approach reduced LLM costs by 27% and end-to-end latency by 32%, and was preferred in 70% of blind comparisons. The takeaway: separate responsibilities—use MCP for actions and filesystems for data and context.
Related event: File System Sync Found Up to 100x Faster Than MCP for Agents(2 posts)→
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