Observability & Evals tools for GitHub Copilot

by Ruller_Lulu - A desktop pet that reacts to your Claude Code sessions in real-time — thinking, typing, juggling, sleeping, and more. Yep. It's undeniably endearing. And at the end of the day, isn't that what Claude Code is all about?

LLM Ops platform with Analytics, Monitoring, Evaluations and an LLM Optimization Studio powered by DSPy

(4.4k ⭐) - macOS menu bar app for tracking Claude, Codex, and other AI coding subscriptions, with usage limits, reset times, credits, and spend

Evaluates coding-agent workflows across five dimensions and turns project and session evidence into prioritized, evidence-bounded findings with scoped repair actions. Runs inside Claude Code, Codex, Cursor, GitHub Copilot, and other hosts, making it a practical cross-tool diagnostic layer for improving the harness rather than just reviewing the final diff

by tddworks - A macOS menu-bar app that surfaces remaining usage quota for Claude, Codex, Gemini, Copilot, and other AI coding providers at a glance, with burn-rate, dollar-balance, and reset-countdown indicators plus a lightweight live-session indicator. Swift 6 with a layered Domain/Infrastructure architecture

Open-source Go CLI that tracks AI API quota usage across 7 providers (Anthropic, OpenAI, GitHub Copilot, MiniMax, and more). Works with Claude Code, Codex CLI, Cursor, Cline, and other vibe coding tools. Background daemon, <50MB RAM, zero telemetry

(537 ⭐) - Analytics dashboard for AI coding agents including Claude Code, Cursor, Windsurf, VS Code Copilot, Zed, Antigravity, OpenCode, and Command Code

Open-source AI test agent CLI by TestMu AI that turns requirements into end-to-end tests and runs them on desktop web, Android and iOS, with every test linked to the acceptance criteria it covers

Agent-native LLM router that optimizes your agent with every run — zero harness changes, with every model call reliable, traceable, secure, and cost-effective. Routes across OpenAI, Anthropic, Google, OpenRouter, Bedrock, GitHub Copilot, and more through one local endpoint, with cross-protocol translation, an MCP gateway, guardrails, observability, and multi-account failover. Written in Rust

Local-first CLI and dashboard for analyzing AI coding sessions from Claude Code, Cursor, Codex CLI, Copilot CLI, and VS Code Copilot Chat. SQLite-backed with terminal analytics, browser dashboard, and LLM-powered insights

Tool-agnostic AGENTS.md authoring kit (MIT) with 15 stack-specific templates, a tool compatibility matrix, an npm CLI + GitHub Action linter (agents-md-lint), and a migrator (agents-md-migrate) that converts .cursorrules, CLAUDE.md, Copilot, Windsurf, Cline, and Aider configs to AGENTS.md. Works across Cursor, Claude Code, Copilot, and 30+ AI coding tools. Free and open source