A Sentry MCP user encountered significant costs due to API rate-limiting after authentication, with one instance costing $47,000 in eight hours. The issue stems from the MCP specification's reliance on OAuth 2.1 for authorization, which does not address call frequency or cost. A proposed solution involves integrating a "per-call friction" layer using either proof-of-work puzzles or Lightning Network payments, implemented with a simple 5-line code addition. AI
Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →
IMPACT Mitigates runaway agent costs by adding friction to API calls, preventing unexpected bills for operators.
RANK_REASON A new software module is released to solve a specific technical problem.