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AI engineering: AI agents, skills & prompts

352 ways to get ai engineering done with Claude Code, Codex, Cursor or Gemini CLI, ranked on usage. Filter by type below.

affaan-m/ECCSkill

Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics. Use when choosing between coding agents, or when a…

284k 16d ago ≈75 tokens always loaded Claude CodeSkills CLI Scanned
96popular
colbymchenry/codegraphSkill

Benchmark CodeGraph retrieval quality on a real codebase by comparing agent behavior with vs without CodeGraph. Use when the user runs /agent-eval or asks to test, benchmark, audit, or validate a…

74k 16d ago ≈75 tokens always loaded Claude CodeSkills CLI Scanned
96popular
promptfoo/promptfooPlugin

Teaches AI coding agents to create and maintain promptfoo eval suites. Encodes best practices like deterministic assertions first, file-based test organization, correct environment variable syntax,…

27k today Claude Code Scanned
96popular
diegosouzapw/OmniRouteSkill

Create and run evaluation suites, watch live benchmark progress, view scorecards, compare model performance, and integrate eval runs with CI workflows from the CLI.

79k 16d ago ≈43 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
90popular
paperclipai/paperclipSkill

Add or extend a Paperclip full-stack runner E2E workflow, fixture, matcher, or report evidence path for local or Daytona execution.

105k 16d ago ≈38 tokens always loaded Claude CodeSkills CLI Scanned
88popular

weknora-rag-search

From the maker
Tencent/WeKnoraSkill

Use when retrieving from or asking questions against a WeKnora knowledge base via the `weknora` CLI — and especially when unsure whether to use `chat`, `session ask`, or `search chunks` for a given…

35k 16d ago ≈56 tokens always loaded Claude CodeSkills CLI Scanned
84popular
HKUDS/OpenHarnessSkill

This skill should be used when the user asks to "test the harness", "run integration tests", "validate features with real API", "test with real model calls", "run agent loop tests", "verify…

16k 5mo ago ≈74 tokens always loaded Claude CodeSkills CLI Scanned
80popular
kunchenguid/no-mistakesSkill

Use when changing local eval capture, gold labels, diversified and tune sets, matching, replay storage, or eval CLI behavior.

8.9k +62 this week 17d ago ≈34 tokens always loaded Claude CodeSkills CLI Scanned
80popular
huggingface/skillsSkill

Run evaluations for Hugging Face Hub models using inspect-ai and lighteval on local hardware. Use for backend selection, local GPU evals, and choosing between vLLM / Transformers / accelerate. Not…

11k +30 this week 27d ago ≈81 tokens always loaded Claude CodeSkills CLIGemini CLI Scanned
79popular
jaredpalmer/kevSkill

Fine-tune a Kev decision model (open Jev-style System One model) on a user's own workload and serve it with calibrated probabilities. Interviews the user, finds existing Jev/TypeSafe questions or…

9.3k +289 this week 19d ago ≈153 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
79popular
google/agents-cliSkill

This skill should be used when the user wants to "run an evaluation",

6.1k +30 this week 23d ago ≈23 tokens always loaded Claude CodeSkills CLIGemini CLI Scanned
78popular
NVIDIA/Model-OptimizerSkill

Run, monitor, analyze, and debug LLM evaluations via nemo-evaluator-launcher. Covers running evaluations, checking status and live progress, debugging failed runs, exporting artifacts and logs, and…

5.4k +87 this week 16d ago ≈148 tokens always loaded Claude CodeSkills CLI Scanned
77popular
apache/tikaSkill

Compare extracts from two Tika builds over a corpus to detect regressions

4.1k +10 this week 16d ago ≈23 tokens always loaded Claude CodeSkills CLI Scanned
77popular
apache/tikaSkill

Condensed tika-eval pattern for charset-detector regression hunts ("A picks

4.1k +10 this week 16d ago ≈26 tokens always loaded Claude CodeSkills CLI Scanned
77popular
apache/tikaSkill

Query the tika-eval H2 database directly for counts and joins the canned

4.1k +10 this week 16d ago ≈23 tokens always loaded Claude CodeSkills CLI Scanned
77popular
homeassistant-ai/ha-mcpSkill

Compare MCP tool behavior between target and baseline versions using pre-built and custom stories with diff-based triage.

5.1k +98 this week 16d ago ≈34 tokens always loaded Claude CodeSkills CLI Scanned
76popular
shinpr/mcp-local-ragSkill

Searches, saves, and maintains a local document index through a local RAG MCP server. Use when user says "search my docs", "save this page", "read around that chunk", "sync my index", or invokes…

415 +2 this week 16d ago ≈57 tokens always loaded Claude CodeSkills CLI Scanned
76popular
zgsm-ai/costrictSkill

Provides context about the CoStrict evals system structure in this monorepo. Use when tasks mention "evals", "evaluation", "eval runs", "eval exercises", or working with the evals infrastructure.…

4.5k +7 this week 1mo ago ≈93 tokens always loaded Claude CodeSkills CLI Scanned
75popular
NVIDIA/skillsSkill

Fine-tune public CodonFM Encodon checkpoints on labeled coding-sequence or coding-variant data using LoRA, head-only, or full fine-tuning. Use when a user explicitly asks to fine-tune CodonFM or…

3.6k +78 this week 16d ago ≈96 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
75popular
deepmodeling/deepmd-kitSkill

Fine-tune a DPA3 model in DeePMD-kit using the PyTorch backend. Use when the user wants to adapt a pre-trained DPA3 model to a new downstream dataset. Supports fine-tuning from a self-trained DPA3…

2.1k 16d ago ≈114 tokens always loaded Claude CodeSkills CLI Scanned
75popular
deepmodeling/deepmd-kitSkill

Fine-tune a DPA4 model in DeePMD-kit. Use for standard or LoRA fine-tuning from a DPA4/SeZM .pt checkpoint, validation and .pt2 export.

2.1k 16d ago ≈39 tokens always loaded Claude CodeSkills CLI Scanned
75popular
expo/skillsSkill

Evaluate Expo skills in this repo end-to-end - trigger accuracy, generated code quality, and runtime screenshots on iOS simulator and Android emulator via Expo Go (web optional). Use when the user…

2.9k +126 this week 17d ago ≈93 tokens always loaded Claude CodeSkills CLI Scanned · 2 to know
73popular
GCWing/OpenBitFunSkill

Create a OpenBitFun Canvas for single-case agent evaluation and trajectory

2.9k +456 this week 16d ago ≈23 tokens always loaded Claude CodeSkills CLI Scanned
73popular
bionic-gpt/bionic-gptSkill

Load the repository's AutomationBench OpenAPI catalogue and run evaluations against the local simulator.

2.4k +9 this week 28d ago ≈31 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
73popular
neuron-core/neuron-aiSkill

Implement RAG (Retrieval-Augmented Generation) with Neuron AI including vector stores, embeddings providers, document loaders, retrieval strategies, and metadata filtering. Use this skill whenever…

2.1k +18 this week 19d ago ≈153 tokens always loaded Claude CodeSkills CLI Scanned
72popular
NVIDIA-AI-Blueprints/ragSkill

NVIDIA RAG Blueprint — deploy, configure, troubleshoot, and manage. Handles any RAG action: deploy, install, start, enable, disable, toggle, change, configure, troubleshoot, debug, fix, shutdown,…

794 +4 this week 2mo ago ≈96 tokens always loaded Claude CodeSkills CLI Scanned
71popular
NVIDIA-AI-Blueprints/ragSkill

Filesystem RAG benchmarks: corpus/, train.json, evaluate_rag.py (RAGAS quality). Not for prod

794 +4 this week 2mo ago ≈26 tokens always loaded Claude CodeSkills CLI Scanned
71popular
NVIDIA-AI-Blueprints/ragSkill

Performance benchmarking for a deployed NVIDIA RAG Blueprint server: profiling pass + aiperf

794 +4 this week 2mo ago ≈25 tokens always loaded Claude CodeSkills CLI Scanned
71popular
amd/gaiaSkill

Adopt the per-agent eval scorecard for a GAIA hub agent: write the harness→payload adapter, run the eval to produce a REAL scorecard, link + surface it from the agent's README, wire the release…

1.6k +14 this week 16d ago ≈122 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
70popular
langchain-ai/langchain-skillsSkill

Inspect an agent repository and optional traces, interview the user, write reviewed Task Specs, build and audit Harbor tasks, and bootstrap reusable project World Knowledge Skills. Use for agent…

1.3k +11 this week 16d ago ≈92 tokens always loaded Claude CodeSkills CLI Scanned
70popular
langchain-ai/langchain-skillsSkill

INVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency management for LangChain, LangGraph, LangSmith, or Deep Agents. Covers required…

1.3k +11 this week 16d ago ≈91 tokens always loaded Claude CodeSkills CLI Scanned
70popular
langchain-ai/langchain-skillsSkill

Create LangChain agents with create_agent, define tools, and use middleware for human-in-the-loop and error handling.

1.3k +11 this week 16d ago ≈35 tokens always loaded Claude CodeSkills CLI Scanned
70popular
open-gsd/gsd-coreSubagent

Retroactive audit of an implemented AI phase's evaluation coverage. Checks implementation against the AI-SPEC.md evaluation plan. Scores each eval dimension as COVERED/PARTIAL/MISSING. Produces a…

11k 16d ago ≈81 tokens in your chat Claude Code Scanned
69popular
open-gsd/gsd-coreSubagent

Designs a structured evaluation strategy for an AI phase. Identifies critical failure modes, selects eval dimensions with rubrics, recommends tooling, and specifies the reference dataset. Writes the…

11k 16d ago ≈87 tokens in your chat Claude Code Scanned
69popular
dzhng/skillsSkill

Eval and improve a skill against golden cases — run the target skill blind in a fresh, context-free subagent on each example input, grade the artifact against the expected outcome, and let the gaps…

1.4k +54 this week 17d ago ≈124 tokens always loaded Claude CodeSkills CLI Scanned
69popular
GoogleChrome/modern-web-guidance-srcSkill

Analyzes Guidance evaluation results to identify patterns and causes of low pass rates.

1.2k +22 this week 16d ago ≈29 tokens always loaded Claude CodeSkills CLI Scanned
69popular
GoogleChrome/modern-web-guidance-srcSkill

Downloads and analyzes the latest three distinct nightly evaluation runs (Claude Code, Codex CLI, and Jetski CLI)

1.2k +22 this week 16d ago ≈35 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
69popular
ai-evals-course/evals-skillsSkill

Audit an LLM eval pipeline and surface problems: missing error analysis,

1.5k +40 this week 1mo ago ≈21 tokens always loaded Claude CodeSkills CLI Scanned
66popular
ai-evals-course/evals-skillsSkill

Entry point for evals. Use when the user asks for help with evals,

1.5k +40 this week 1mo ago ≈20 tokens always loaded Claude CodeSkills CLI Scanned
66popular
ai-evals-course/evals-skillsSkill

Guides evaluation of RAG pipeline retrieval and generation quality.

1.5k +40 this week 1mo ago ≈20 tokens always loaded Claude CodeSkills CLI Scanned
66popular
arcjet/arcjet-jsSkill

Integrate Arcjet security into a LangChain JS createAgent using @arcjet/guard — wrap tool() / StructuredTool, put guardMiddleware on createAgent({ middleware }) for MCP / unwrapped tools, and read…

693 +2 this week 16d ago ≈112 tokens always loaded Claude CodeSkills CLI Scanned
66popular
arcjet/arcjet-jsSkill

Integrate Arcjet security into a LangGraph Graph API agent using @arcjet/guard — wrap tool() / StructuredTool, wrap ToolNode for unwrapped MCP tools, and read thread_id for correlation. Use when…

693 +2 this week 16d ago ≈93 tokens always loaded Claude CodeSkills CLI Scanned
66popular
minhnv0807/ai-business-skillsSkill

Use when marketing numbers look bad and the user needs to know WHY — layered root-cause diagnosis across tracking, delivery, creative, landing page, offer, and audience quality, 5-Whys, regional…

619 +10 this week 2mo ago ≈157 tokens always loaded Claude CodeSkills CLI Scanned
64popular
Arenukvern/mcp_flutterSkill

Improves Agent Skills via validate → rule-based eval cases → plugin-eval → prompt evals → bounded edits with held-out gates. Use when tuning skill quality, routing, or adopting Chrome/Microsoft…

388 18d ago ≈71 tokens always loaded Claude CodeSkills CLI Scanned
64popular
TheWinci/mimirsPlugin

Local-first semantic search for your codebase and conversation history. Hybrid vector + BM25 search with cross-encoder reranking, AST-aware chunking for 6 languages, smart chunking for 30+ file…

30 16d ago Claude Code Scanned · 2 to know
63popular
ericrisco/rsc-harnessSkill

Use when measuring whether an LLM or agent system actually got better and gating merges on it: golden sets, fixing an inflated LLM-as-judge, scoring RAG (faithfulness, contextual recall) or agent…

230 +18 this week 16d ago ≈90 tokens always loaded Claude CodeSkills CLI Scanned
62popular
evo-hq/evoSkill

This skill should be used when picking or diagnosing a training move (SFT, LoRA, DPO/KTO/ORPO, RFT, GRPO/PPO/RLOO, RLHF), or when the user mentions fine-tuning, post-training, training recipe,…

1.5k +8 this week 1mo ago ≈98 tokens always loaded Claude CodeSkills CLI Scanned
61popular
jinzhezenggroup/computational-chemistry-agent-skillsSkill

Fine-tune a DPA3 model in DeePMD-kit using the PyTorch backend. Use when the user wants to adapt a pre-trained DPA3 model to a new downstream dataset. Supports fine-tuning from a self-trained DPA3…

153 +2 this week 16d ago ≈114 tokens always loaded Claude CodeSkills CLI Scanned
61popular
githits-com/githits-cliSkill

Inspect, query, compare, or explicitly export GitHits agent-eval history in Braintrust using the repository's verified workflow.

115 16d ago ≈38 tokens always loaded Claude CodeSkills CLIGemini CLI Scanned
61popular
christos-antono/NPCTalkSkill

Measure how much a cloned voice sounds like the real character, and whether a change really helped. Covers speaker-embedding similarity (ECAPA) against the centroid of held-out real clips, word…

181 +182 this week 19d ago ≈155 tokens always loaded Claude CodeSkills CLI Scanned
60popular
kairyou/agent-toolsSkill

Summarize a contributor's Git history, a provided work log, or both into a concise, review-friendly self-evaluation for quarterly, semi-annual, or promotion cycles.

180 +1 this week 21d ago ≈44 tokens always loaded Claude CodeSkills CLI Scanned
60popular
wanshuiyin/Anti-AutoresearchSkill

Audit whether a paper's EVALUATION DESIGN actually measures what it claims and whether its reporting is complete — the validity layer family D (experiment-forensics) cannot reach. Three patterns:…

165 +3 this week 18d ago ≈156 tokens always loaded Claude CodeSkills CLI Scanned · 1 to know
60popular
magnus919/agent-skillsSkill

Design, run, review, or release framework- and vendor-neutral evaluations and

137 +14 this week 16d ago ≈27 tokens always loaded Claude CodeSkills CLI Scanned
60popular
giuseppe-trisciuoglio/developer-kitSkill

Implements document chunking, embedding generation, vector storage, and retrieval pipelines for Retrieval-Augmented Generation systems. Use when building RAG applications, creating document Q&A…

360 +2 this week 2mo ago ≈62 tokens always loaded Claude CodeSkills CLI Scanned
59popular
fabricioctelles/skillsSkill

Audit, score, and compare repositories containing portable Agent Plugins against the official Agent Plugins specification. Use when asked to review a plugin repo, check plugin.json or mcp.json…

114 +7 this week 16d ago ≈96 tokens always loaded Claude CodeSkills CLI Scanned
59popular
avelikiy/great_ctoSkill

Spawns the decision-scorer agent after architect proposes 2+ variants in an ADR. Produces a weighted scoring table and recommended choice saved to docs/decisions/.

103 +3 this week 16d ago ≈44 tokens always loaded Claude CodeSkills CLI Scanned
59popular
yonatangross/orchestkitSubagent

LLM evaluation specialist who runs structured eval datasets, computes quality metrics using DeepEval/RAGAS, tracks regression across model versions, and reports to Langfuse for tracing and scoring.

296 16d ago ≈52 tokens in your chat Claude Code Scanned
58popular
gtapps/hermitdSubagent

Generic isolated-context runner — executes the analysis spec named in its dispatch and returns the structured output that spec defines. Reusable by any skill (shipped or operator-authored) that…

82 +2 this week 16d ago ≈87 tokens in your chat Claude Code Scanned
58popular
RefoundAI/lenny-skillsSkill

Help users build robust infrastructure for measuring, monitoring, and iterating on AI product performance using human, code-based, and LLM-as-a-judge methodologies.

1.4k +42 this week 4mo ago ≈43 tokens always loaded Claude CodeSkills CLI Scanned
57popular
jmagly/aiwgSubagent

Isolated evaluator in the eval loop — scores generator outputs with strict isolation; never sees generator context or chain-of-thought

224 16d ago ≈37 tokens in your chat Claude Code Scanned
57popular

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