Cosine Similarity vs Dot Product for Embeddings (2026)
June 30, 2026
Cosine similarity vs dot product for embeddings, with runnable TypeScript. Learn when to normalize, why they match for unit vectors, and which to pick.
#ai-ml
Token-Aware Text Chunking for RAG in TypeScript (2026)
June 28, 2026
Token-aware text chunking for RAG in TypeScript: recursive splitting with @langchain/textsplitters and js-tiktoken, plus chunk size and overlap tuning.
Count Tokens in TypeScript: Fit the Context Window (2026)
June 25, 2026
Count OpenAI tokens in TypeScript with gpt-tokenizer - no WASM, no API key. Count chat messages accurately and trim history to fit the model context window.
OpenCode: The Open-Source AI Coding Agent Explained (2026)
June 25, 2026
OpenCode is the open-source, terminal-first AI coding agent with 178K GitHub stars and 75+ model providers. What it is, how it works, and how to start.
MiniMax M3: Open-Weight 1M-Context Coding Model
June 20, 2026
MiniMax M3 is an open-weight, 1M-context AI coding model with native multimodality and Sparse Attention. What its benchmarks, pricing, and license really mean.
Test Vercel AI SDK Code with MockLanguageModelV3 (2026)
June 20, 2026
Unit-test Vercel AI SDK v6 code in TypeScript with MockLanguageModelV3 - no API key, no cost. Mock generateText, tool calls, and streaming in Vitest.
Claude Prompt Caching in TypeScript: Cut Costs 2026
June 15, 2026
Add Claude prompt caching in TypeScript with cache_control: measure cache_read_input_tokens, cut API costs ~89%, and avoid the silent minimum-token cache miss.
Claude Batch API in TypeScript: Bulk Extraction (2026)
June 11, 2026
Claude Batch API tutorial in TypeScript: submit thousands of structured-output requests at 50% cost, poll status, stream results, and validate with Zod.
Claude Structured Outputs in TypeScript with Zod (2026)
June 7, 2026
Get guaranteed JSON from the Claude API in TypeScript: structured outputs with Zod, strict tool use, plus refusal and max_tokens handling. Runnable 2026 guide.
Build an MCP Client in TypeScript: A 2026 Tutorial
June 3, 2026
Build a Model Context Protocol (MCP) client in TypeScript with @modelcontextprotocol/sdk: connect over stdio, list and call tools, and handle errors correctly.
Claude Tool Use in TypeScript: Agentic Loop Tutorial (2026)
May 29, 2026
Hands-on Claude Sonnet 4.6 tool use tutorial: build a typed agentic loop in TypeScript with the Anthropic SDK 0.98, parallel tool calls, and JSON Schema.