@lacspace/stream
A zero-dependency, isomorphic parser for Server-Sent Events and streaming LLM responses — turn a fetch body into a clean async iterator of text and tool-call deltas, normalized across OpenAI and Anthropic. No SDK, keyless.
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More in AI Kit
A tiny, provider-agnostic LLM chat client over fetch — one chat()/stream() API for OpenAI, Anthropic, Google Gemini and any OpenAI-compatible endpoint (Groq, Together, OpenRouter, Ollama). Bring your own key, no SDK, isomorphic.
@lacspace/promptA tiny, typed prompt-engineering toolkit — build, compose and render LLM prompts and chat messages with real type safety. Variable names are inferred from the template string, so .render() is type-checked. Zero-dependency, isomorphic.
@lacspace/tokenizerA fast token estimator, LLM cost calculator and context-budget manager — good-enough GPT/Claude/Gemini token counts without the 3 MB tiktoken/wasm. Zero-dependency, isomorphic and fully typed.
@lacspace/json-repairExtract and repair JSON from messy LLM output — strip code fences and prose, fix trailing commas, single quotes, unquoted keys and Python literals, and close truncated objects. Zero-dependency, isomorphic, typed.
@lacspace/chunkA tiny text splitter for RAG and long-context prompts — recursive character, Markdown, code, sentence and paragraph chunking with overlap and a pluggable token-aware lengthFn. Zero-dependency, isomorphic.
@lacspace/ai-toolsDefine LLM function-calling / tool-use tools once and use them with any provider — generate the OpenAI, Anthropic or Google tool spec AND get a runtime dispatcher that validates arguments and calls your handler. Zero-dependency, keyless.