PyPI · npm
Arize-ai/phoenix
AI Observability & Evaluation
Custom licenseAug 28, 2026 · metrics 2.10.0
All tags
Catalogue tag
#prompt-engineering
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
115 records
PyPI · crates.io · npm
IBM/mcp-context-forge
An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
PyPI · npm
mlflow/mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
PyPI · npm
Agenta-AI/agenta
Agenta is a workspace where you and your team build agents and automations.
Custom licenseAug 28, 2026 · metrics 2.10.0
npm · PyPI
comet-ml/opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
npm
langchain-ai/langchainjs
The agent engineering platform
MITSep 16, 2026 · metrics 2.10.0
npm · Go
langwatch/langwatch
The platform for LLM evaluations and AI agent testing
Apache-2.0Sep 17, 2026 · metrics 2.10.0
npm
promptfoo/promptfoo
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
MITSep 16, 2026 · metrics 2.10.0
PyPI
dottxt-ai/outlines
Structured Outputs
Apache-2.0Sep 17, 2026 · metrics 2.10.0
npm · crates.io
langfuse/langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Custom licenseSep 16, 2026 · metrics 2.10.0
PyPI · npm
microsoft/apm
Agent Package Manager
MITOct 20, 2026 · metrics 2.10.0
PyPI
Q00/ouroboros
Agent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, staged evaluation, budgeted evolution loop. MCP server, 14 runtimes: Claude Code, Codex CLI, Gemini CLI, OpenCode, Copilot, Kiro and more.
MITSep 18, 2026 · metrics 2.10.0
npm · crates.io · PyPI
headroomlabs-ai/headroom
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
PyPI
JudgmentLabs/judgeval
The Continuous-Improvement Stack for Agents. Our environment data and evals power agent improvement and monitoring.
Apache-2.0Sep 17, 2026 · metrics 2.10.0
PyPI
Kiln-AI/Kiln
Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more.
Custom licenseSep 19, 2026 · metrics 2.10.0
PyPI · npm
Mirascope/mirascope
The LLM Anti-Framework
MITOct 20, 2026 · metrics 2.10.0
PyPI
MagnivOrg/prompt-layer-library
🍰 PromptLayer - Maintain a log of your prompts and OpenAI API requests. Track, debug, and replay old completions.
Apache-2.0Sep 13, 2026 · metrics 2.10.0
PyPI
kyegomez/swarms
The Enterprise-Grade Multi-Agent Orchestration Framework. Website: https://swarms.ai
Apache-2.0Sep 15, 2026 · metrics 2.10.0
npm
cobusgreyling/loop-engineering
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
MITAug 28, 2026 · metrics 2.10.0
Go · RubyGems
sleuth-io/sx
Skill sharing made easy
Apache-2.0Sep 20, 2026 · metrics 2.10.0
npm · Go · PyPI
JuliusBrussee/caveman
🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.
Custom licenseSep 16, 2026 · metrics 2.10.0
npm
devswha/patina
AI-writing humanizer for KO/EN/ZH/JA
MITSep 10, 2026 · metrics 2.10.0
npm · PyPI
mohitagw15856/pm-claude-skills
1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in Anthropic's plugin directory. Plus a typed decision layer: which skill, is it safe, ship or slip. Free in-browser or npx pm-claude-skills add.
MITOct 20, 2026 · metrics 2.10.0
npm · PyPI
mrwogu/promptscript
Prompt-as-Code for Enterprise AI. Standardize, audit, and deploy instructions across any AI coding assistant.
MITSep 18, 2026 · metrics 2.10.0
npm · PyPI
Imbad0202/academic-research-skills
Academic Research Skills for Claude Code: research → write → review → revise → finalize
Custom licenseSep 19, 2026 · metrics 2.10.0
npm
KhazP/vibe-coding-prompt-template
Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs
MITSep 14, 2026 · metrics 2.10.0
PyPI
Nayjest/ai-microcore
A handy lib for smooth interaction with large language models (LLMs) and crafting AI apps.
MITAug 26, 2026 · metrics 2.10.0
npm
MattDevy/pi-extensions
A set of pi-extensions, including pi-continuous-learning that continually improves you pi coding agent experience
MITSep 13, 2026 · metrics 2.10.0
npm
jmagly/aiwg
Cognitive architecture for AI-augmented software development. Specialized agents, structured workflows, and multi-platform deployment. Claude Code · Codex · Copilot · Cursor · Factory · Warp · Windsurf.
MITSep 9, 2026 · metrics 2.10.0
npm
GeiserX/LynxPrompt
Self-hosted & federated platform for AI IDE/Tools Rules and Commands via WebUI & CLI - Generate, browse, store, share AGENTS.md, CLAUDE.md, and more
Apache-2.0Sep 5, 2026 · metrics 2.10.0