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Cloudflare updates MCP elicitation to stateless MRTR model

By PulseAugur Editorial · [1 sources] ·

Cloudflare's MCP elicitation has been updated to a stateless model, moving away from the previously held stream approach. This change, driven by Spec 2026-07-28, means Workers no longer remain suspended while a user responds, instead utilizing Multi Round-Trip Requests (MRTR). Developers must now use updated versions of Wrangler and Claude Code, along with specific libraries like `@modelcontextprotocol/server`, to implement this new elicitation method. The system requires a signing secret for request state security, and new handlers replace the deprecated McpAgent. AI

IMPACT Developers using Cloudflare Workers for AI elicitation need to update their implementations to support the new stateless MRTR protocol.

RANK_REASON This item describes an update to a specific developer tool and protocol, not a core AI release or significant industry shift.

Read on dev.to — MCP tag →

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

Cloudflare updates MCP elicitation to stateless MRTR model

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29 / 100
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This item describes an update to a specific developer tool and protocol, not a core AI release or significant industry shift.
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product, infra
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High
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Breaking (< 6h)
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COVERAGE [1]

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

    MCP elicitation no longer holds a stream

    <p>MCP elicitation on a Worker is a return now. You send <code>input_required</code>, the request ends, and Claude Code draws the form after the isolate has already gone home.</p> <p>The page a lot of people still land on is Cloudflare's older remote MCP guide, the one that still…

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