A developer published a TypeScript demonstration showing that patching the MCP SDK alone does not close an OAuth credential-leak class in MCP clients, since a client that discovers its authorization s…
A developer published a TypeScript tutorial and open-source project, tiny-agent-tracer, that records an agent run as a tree of OpenTelemetry-style spans so the execution trace can be compared against …
A developer proposes a gateway-boundary telemetry schema for LLM-based moderation, arguing that teams should choose an API gateway by the evidence it lets them collect rather than by headline rate. Th…
A backend developer built and released Overdraft, a personal time-tracking web app, without writing or editing any code by hand, directing Claude through Claude Code instead. The project spans roughly…
A developer published a TypeScript demo showing how AI agents that retry timed-out tool calls can cause duplicate side effects like double-charging a customer's card, and built a small exactly-once la…
A developer built Terminal Is Your Friend, an open-source JavaScript/TypeScript playground that runs code in a dark terminal with a sandboxed runtime and an AI instructor that explains errors and resu…
A developer has published a walkthrough for building an AI agent from scratch in TypeScript using only a model API and a while loop, covering tool calling, parallel tool calls, and a bug that no exist…
A developer built Quran Sanity Agent, an open-source bilingual (Arabic and English) research workspace that anchors every verse, translation, and scholarly commentary to immutable records in Sanity's …
A developer built SafePlate, an open-source TypeScript/React web app that uses on-device open-weight models (Gemma 2B, Llama 3.2, SmolLM) to scan ingredient labels for hidden allergens, plan safe shar…
A developer built a German-language conversation partner using ElevenLabs voice agents and Cloudflare Workers, adding cross-session memory that ElevenLabs agents lacked at the time. The Cloudflare Wor…
A developer published a TypeScript guide for building contract tests that catch breaking changes when upgrading large language model providers, using mocked Anthropic Sonnet 5 and Sonnet 5.5 providers…
A developer built Runbook Repair Lab, a Next.js and Sanity application that lets users modify the prerequisites and tool versions of fictional technical runbooks to see which steps break and why. The …
Developer JustasMonkev released lazy-clean, a standalone skill package for coding agents that injects a YAGNI-based "lazy-senior-dev" ruleset at session and subagent start and runs a heuristic slop ch…
A developer built SpeakMate AI, an English practice companion for a friend, as an entry in the Hacktoberfest 2026 Weekend Challenge. The Next.js and TypeScript app offers grammar, vocabulary, and sent…
Anthropic is adding a "Mods" system to Claude Code that runs middleware directly inside the AI coding tool, letting developers use JavaScript or TypeScript to reshape its interface and behavior. The s…
Polytoken 0.8.18 shipped with a breaking change that makes `polytoken.tools` lists in facet frontmatter closed lists, alongside baseline `herdr` support, model-group selection for the permissions clas…
XAI released the official TypeScript SDK for its SpaceXAI API, published as the npm package @xai-official/sdk and requiring Node.js 22.13 or later. The SDK is experimental, covers the Responses API pl…
A developer advocates structuring LLM state as a strict, addressable tree of dot-and-index paths, similar to CSS selectors or filesystem paths, to reduce hallucination and inference cost in production…
A developer published a tutorial showing how to build an AI research agent that attaches verifiable citations to each finding, using Valyu DeepResearch to run the retrieval and synthesis loop while a …
A developer outlined four habits for using AI coding assistants like Copilot, Claude, and Cursor as thinking partners rather than code generators, including a 15-minute rule for debugging and a struct…