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MCP servers get rate-limited, costing users thousands

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

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.

Read on dev.to — MCP tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

MCP servers get rate-limited, costing users thousands

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A new software module is released to solve a specific technical problem.
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product, infra
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High
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151 days old
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COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Zeke ·

    My MCP Server Got Rate-Limited After Auth. Here's the 5-Line Fix.

    <p>A Sentry MCP user reported it on March 18: "all API calls being rate-limited within a few minutes of auth." The OAuth handshake works fine. It's the calls <em>after</em> auth that quietly burn the budget, one runaway automation loop already cost a team $47,000 in eight hours.<…