Recommend: preflight #986
Description
Project: preflight by TerminalGravity
What it does: 24-tool MCP server for Claude Code that catches ambiguous prompts before they cost you 2-3x in wrong→fix cycles. Includes semantic search across session history (LanceDB vectors), cross-service contract awareness, correction pattern learning, cost estimation, and 12-category prompt scorecards.
Why it's awesome: Built from analyzing 512 real Claude Code sessions (32K+ events, 3,200+ prompts) — found that 41% of prompts were under 50 chars and ~30-40% of tokens were wasted on avoidable back-and-forth. Preflight catches these before execution.
Install: npx preflight-dev
Category suggestion: Tooling or a new MCP Servers section