Upvoted Tools

An open format for guiding AI coding agents, providing a dedicated, predictable place for project context and instructions in a Markdown file.

A collection of shared agent instructions, reusable workflow skills, and portable helper scripts for Codex/Claude-style AI coding agents.

Agent OS is an open-source system for injecting codebase standards and writing better specs for spec-driven AI development, compatible with Claude Code, Cursor, and other AI coding tools.

Microsoft's open-source suite of development tools for building, testing, evaluating, and deploying high-quality LLM-based AI applications end-to-end.

Open-source AI engineering platform for OpenTelemetry-native LLM observability, GPU monitoring, evaluations, prompt management, and guardrails across 50+ integrations.

Server-enforced execution governance for AI agents — a state machine that controls what agents can do and when, with human approval gates, verifiable bot identity, and an immutable audit trail.

A Spec Kit extension that engineers safe autonomous agent loops with a maker/checker split, externalized state, and human-in-the-loop guardrails.

A curated collection of reusable AI agent skills and templates for building intelligent automation workflows.

A privacy-first markdown editor built for prompt engineering with 30+ templates, token estimation, and local-first storage.

Loop Library is a free Forward Future collection of repeatable AI agent prompts for engineering, research, evaluation, and operations, each with built-in checks and a clear stopping condition.