Building agents

lhfer/claude-howto-zh-cn

Skill Claude Code

A guide for creating, updating, or reviewing a `CLAUDE.md` file, which gives Claude Code lasting project instructions.

Sahir619/fable-method

Plugin Claude Code

Bundles 5 skills · 496 tokens together

The Fable Workflow: how Claude Fable 5 worked, distilled into four skills any model can run. Think (fable-method), act (fable-loop), prove (fable-judge), grow (fable-domain). Evidence-backed: ships its own eval, failures included.

codejunkie99/agentic-stack

Cursor rule Cursor needs its repo

Portable brain via agentic-stack. Read .agent/ first.

NVIDIA-NeMo/labs-OO-Agents

Skill Claude CodeCodex

Author agents with NVIDIA-labs Object Oriented Agents (NOOA). Use when writing or modifying an Agent subclass, agentic methods (ellipsis bodies), docstring prompts, structured output contracts, strategy selection (CodeAct/Predict), visibility control, orchestrators, or subagent composition.

HKUDS/FastCode

Skill Claude CodeCodex

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

MCPJam/inspector

Skill Claude CodeCodex

Defines every member of MCPJam's user-value chain vocabulary — the six stages, the five stage states, the twenty-nine stage reasons, the seven failure categories, the four verdicts, the stage-analytics exclusion classes, the five friction signals and the nine suspected conditions, and the swarm findings vocabularies …

mgechev/skills-best-practices

Skill Claude CodeCodex

Authors and structures professional-grade agent skills following the agentskills.io spec. Use when creating new skill directories, drafting procedural instructions, or optimizing metadata for discoverability. Don't use for general documentation, non-agentic library code, or README files.

Mangi-11/Eta

Skill Claude CodeCodex

Guide for creating and updating effective skills. Use when the user wants to add a new skill or improve an existing skill for tool workflows or reusable domain knowledge.

Dicklesworthstone/mcp_agent_mail

Skill Claude CodeCodex

MCP Agent Mail - Mail-like coordination layer for multi-agent workflows. Identities, inbox/outbox, file reservations, contact policies, threaded messaging, pre-commit guard, Human Overseer, static exports, disaster recovery. Git+SQLite backed. Python/FastMCP.

louislva/claude-peers-mcp

MCP server Claude CodeCodexCursor +2

MCP server "claude-peers" as configured in louislva/claude-peers-mcp. Launched with bun ./server.ts.

alpic-ai/skybridge

Skill Claude CodeCodex

Guide developers through creating and updating ChatGPT plugins. Covers the full lifecycle: brainstorming ideas against UX guidelines, bootstrapping projects, implementing tools/views, debugging, running dev servers, deploying and connecting plugins to ChatGPT. Use when a user wants to create or update a ChatGPT plugin…

lessweb/deepcode-cli

Skill Claude CodeCodex needs its repo

A skill for reviewing and improving the description of another coding-agent skill, and for guiding its installation into a user or project skills directory. An Agent Skill is a folder of instructions and supporting files that teaches an agent how to perform a task.

phronesis-io/eigenflux

Skill Claude CodeCodex

Identity and profile lifecycle management for an installed EigenFlux Agent. Covers owner-directed Agent Card and setting changes, periodic profile refresh, credential refresh, historical account recovery, account switching, Dashboard access, and CLI server configuration. Use when an existing Agent needs profile or…

renatoasse/opensquad

Skill Claude CodeCodex

Create new Opensquad skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill for their squads, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance. Supports all Opensquad skill types: MCP integrations, custom scripts…

Leanmcp/superview.sh

Skill Claude CodeCodex

How to develop, modify, and extend the Claude Code codebase following its established programming style, patterns, and conventions. Use this skill whenever working on the claude-code source — adding tools, commands, utils, components, types, hooks, services, or fixing bugs. Also use when the user asks about…

zhimaAi/chatwiki

Skill Codex

Convert one public website URL or an explicit batch of public URLs into a reusable skill zip backed by rendered HTML snapshots and a bounded JSONL retrieval index. Use to discover a documentation directory from one URL, crawl a supplied URL set sequentially, generate a source profile, or package indexed web content as…

microsoft/foundry-dev-tools

Skill Claude CodeCodex ✓ vendor

Use the FoundryX CLI to manage Microsoft Foundry access, projects, models, Toolboxes, agents, agent publishing, conversations, agent evaluation, operational metrics, and Hosted Agent diagnostics. When you are manually invoked by "/foundry-agent", never use your "microsoft-foundry" skill or "microsoft-foundry" canvas…

the-open-engine/zeroshot

Skill Claude CodeCodex

Use Zeroshot to prepare, run, observe, or troubleshoot explicit multi-agent software work locally or on Zeroshot Platform. Apply when the user names Zeroshot, including 'zeroshot this' or 'zeroshot it' (this orchestrator, not one-shot prompting), or asks about its CLI; do not route ordinary local work into Zeroshot…

OpenBMB/StaffDeck

Skill Claude CodeCodex

Create, modify, debug, or extend dynamic Cordis Plugins, including Host Services and Events, Client Slot and theme UI, Package-private Client-to-Host calls, dynamic Tools, version updates, approval failures, and runtime diagnostics. Use this Skill to route a user request to the correct platform and Inspect Provider…

GoogleCloudPlatform/scion

Skill Claude CodeCodex

How to use the scion message command effectively. Use this for communication with other agents or users. Covers recipient types, message timing, content best practices, and special message flags.

RinDig/icm-architect

Skill Claude CodeCodex

Design a process, idea or body of knowledge into an ICM (Interpretable Context Methodology) workspace, where folder structure is the agent architecture, or restructure an existing folder, repo or vault into one. Use for "make this an ICM", "ICM this", "build me a workspace", "structure this for agents", "map this…

WeaveMindAI/weft

Skill Claude Code

Read before dispatching a node-smith (the brief and the review) and when an expert writes a node by hand: the node authoring manual, the test tiers, and the shapes half-done work takes. The node-smith reads this same file as its manual.

AntigmaLabs/ante

Skill Claude CodeCodex

Run Terminal-Bench or any Harbor dataset with Ante as the agent, using the Harbor adapter in the ante repo's ante-harbor/ directory. Use when the user wants to benchmark Ante on Harbor or reproduce Ante's published eval results.

openakita/openakita

Skill Codex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.