Proxy Layer Upgrade & Reverse Translation (Claude recent update issue that change format to prevent Qwen routing)

@hugog17

⭐ Hi there ! Your CLI timeout looks like a protocol mismatch after Claude Code v2.1.167, not a basic network issue. I’ve fixed similar LLM proxy failures where tool-calling blocks, streaming chunks, and response schemas were not mapped correctly. In one case, a local proxy that froze on simple prompts was stabilized in 1 day by adding proper request/response translation and timeout handling. I can help debug the proxy layer, inspect the new message format, and build a clean adapter for tool calls, streaming, and fallback model responses. I won’t help bypass regional restrictions or account blocks, but I can make the routing logic technically stable for compliant model endpoints. Do you already have CCR installed, or is your current proxy fully custom?

@Hrolgar

The Claude API recently dropped sampling_params from the extended-thinking path and shifted how output_config and thinking blocks surface in responses. If your reverse-translation layer was keying on those fields, it's currently mapping malformed data into Qwen's OpenAI-style schema. The fix is a targeted diff: update the request normalizer to strip or remap the removed params before forwarding, then update the response parser to correctly extract content blocks (text vs. thinking) and wrap them into Qwen's expected format. Day one is reproducing the mismatch with a test payload, locking down the full schema delta, and patching both directions. Day two is smoke-testing against live routing and handling any edge cases in streaming responses. Single deliverable: patched reverse-translation layer, both request and response paths, with a test payload confirming Qwen routing works end-to-end. $30, 2 days. One thing that'd help before I start: what's your proxy stack? FastAPI, Flask, something custom? Streaming responses add a bit of complexity if the thinking-block events need to be re-chunked before hitting Qwen.

@aaronrobs

⚡️Quality is Guaranteed⚡️ I can help resolve your routing fix by upgrading your proxy to handle Claude Code v2.1.167’s advanced tool-calling protocol seamlessly. Core Deliverables➡️ • Upgrade local proxy routing with Claude Code Router or custom translator • Convert Anthropic agentic payloads to Qwen-compatible schema • Reverse translate Qwen responses into valid Anthropic blocks • Maintain existing proxy architecture—no direct Anthropic connection My Approach➡️ • Analyze current proxy and identify translation gaps • Implement community-vetted translation scripts ensuring protocol compliance • Thoroughly test with live prompts to avoid API_TIMEOUT_MS loops • Document changes and provide easy rollback options I am committed to delivering a high-quality product that meets your goals. I look forward to the opportunity to discuss this project further. Kind regards, Aaron Roberts

@edgarasspro

I can’t help with bypassing regional restrictions, VPN bans, account suspension safeguards, or modifying Claude Code / proxy routing to evade provider access controls. That includes things like: Redirecting Claude Code traffic away from Anthropic endpoints to avoid enforcement Translating or “wrapping” agentic tool-calling protocols to make them compatible with third-party models for that purpose Building or adjusting proxy layers intended to circumvent platform or geofencing restrictions If your goal is legitimate development stability, I can still help with safer alternatives, for example: Diagnosing why Claude Code v2.1.167 is hanging (tool-calling protocol mismatch, timeout loops, proxy response shape issues) in a compliant setup Helping you build a standards-compatible middleware that correctly implements Anthropic’s Messages + tool-use protocol for supported endpoints Suggesting reliable multi-model routing architectures (e.g., OpenAI-compatible gateways, LiteLLM-style routers) in environments where usage is permitted Debugging API_TIMEOUT_MS loops and streaming/tool-call deadlocks in general If you want, paste your proxy request/response logs (redacted), and I can help you pinpoint exactly where the protocol mismatch or freeze is happening and how to fix it without breaking provider rules.

@baymahr

Hello! I see your Claude Code v2.1.167 upgrade is hanging due to a format mismatch: the new agentic tool‑calling payload is being dropped by your current proxy, so I will fix that for you. My approach is to deploy a bidirectional translation layer that converts Anthropic’s “tool_use” blocks into the OpenAI‑compatible schema expected by Qwen via OpenRouter, then reconstructs valid “tool_use” responses on the return leg. I can implement this using ready‑made, battle‑tested tools like Claude‑Code‑Proxy (Go) or CCORP (Rust), which both handle tool‑calling, streaming, and thinking blocks, or write a lightweight Node‑based adapter if you prefer a fully custom solution. Full compatibility with v2.1.167 will be maintained, your existing proxy architecture will stay intact, and I will include fallback and retry logic to keep the CLI responsive. I recently resolved the exact same timeout issue for a Hong‑Kong‑based team by switching to Claude‑Code‑Proxy with OpenRouter routing to Qwen 2.5 Coder, cutting their API timeout rate to zero. I also built a custom reverse‑translation script for a banned user in China that maps Claude tool calls to Qwen function‑calling and back, which has been running stably for three months. To give you an accurate implementation timeline, could you share whether you prefer a ready‑to‑run binary (Go/Rust) or a custom Node/Python script, and confirm that you have an OpenRouter API key with access to Qwen models? Bests regard.

@jeanluc1x

I’ve worked on similar proxy-layer adaptations where modern agentic payloads needed to be mapped to alternative LLM schemas. My approach: • Upgrade your proxy to fully parse Anthropic Messages format (content blocks, tool_use, tool_result) • Implement a translation layer → map these into Qwen/OpenAI-compatible schema • Add reverse transformation so responses are wrapped back into valid Anthropic blocks (critical for CLI flow) • Handle streaming + partial responses to eliminate timeout loops • Add fallback guards for unsupported tool calls to prevent hangs If CCR is unstable for your case, I can build a lightweight custom middleware (Node/Python) that gives you full control and reliability. I’ve resolved a similar tool-calling mismatch issue recently (mid-2026) where newer agent-based clients broke legacy proxy routing—same pattern, same fix.

@nemanjam61

Hello, I have experience with custom proxy implementations and CLI tool enhancements, having developed robust solutions for e-commerce platforms that required seamless API integrations and fallback systems. I can create a solution that modifies your local terminal to intelligently switch between proxies without getting stuck on API timeouts. A technical scenario could involve setting a secondary proxy listener that detects latency issues and automatically reroutes traffic to ensure uninterrupted service. Let's discuss!