Proxycaching

What it does

Proxy Caching Server is a lightweight developer tool designed to capture, cache, and replay HTTP and HTTPS traffic locally. Built specifically for development and testing workflows, it acts as a smart local buffer between your application and third-party APIs. Whether you are running end-to-end tests, debugging a web scraper, or building features against rate-limited remote services, this tool ensures your repeated requests hit a blazing-fast local disk cache instead of the internet.

• TD
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• AL
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  Raymond here from Butter.dev, an LLM response cache built as a chat-completions proxy. Today we're launching a key feature for the platform: the ability to generalize on dynamic, templated inputs. Caching at the HTTP request level has the obvious problem of generalizability. Nearly no request is identical, due to templated variables (like names) and metadata (like timestamps), so exact-match cache lookups rarely hit. We solve this at Butter by using LLMs to detect dynamic content in requests and derive their inter-relationships, allowing the cache entry to be stored as a template + variables…

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