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Claude Code Router fix merges streaming events for faster VS Code integration

The author details a technical fix implemented for the Claude Code Router (CCR), a self-hosted proxy that interfaces with the Anthropic API. The issue involved slow streaming of tokens, causing delays in the Visual Studio Code extension. The solution involved creating middleware to merge consecutive streaming events into larger chunks, specifically for text and thinking deltas, without altering the semantic meaning of the stream. This middleware ensures that the stream appears to the extension as if it were directly from the Anthropic API, which already provides merged chunks. AI

IMPACT Improves the user experience and efficiency of interacting with LLMs via custom tooling and proxies.

RANK_REASON Technical explanation of a self-hosted proxy middleware fix for a specific tool integration.

Read on dev.to — Claude Code tag →

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Claude Code Router fix merges streaming events for faster VS Code integration

COVERAGE [1]

  1. dev.to — Claude Code tag TIER_1 English(EN) · Jerome ·

    Coalescing the Stream

    <p>Claude Code, on my box, doesn't talk to a model provider directly. It goes through claude-code-router (ccr) — a self-hosted proxy that lets the same CLI point at the official Anthropic API or at third-party providers — and I watch the whole thing through the VS Code extension …