Languages

19,287 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

mxsm/rocketmq-rust

Instructions file CodexOpenCode

AGENTS.md instructions for mxsm/rocketmq-rust, covering agents.md, scope and precedence, repository boundaries, working agreement and rust engineering guardrails.

not rated 1.5k +2 changed 2d ago A 4,362 tokens original Apache-2.0

gpuix AGENTS.md

122

remorses/gpuix

Instructions file CodexOpenCode

AGENTS.md instructions for remorses/gpuix, covering agents.md - gpuix codebase guide, readme is the public api contract, gpuix is a thin layer on gpui, project goal and mouse capture is armed by the press.

not rated 1.5k +148 changed today A 16,141 tokens original Apache-2.0

backend

124

nixopus/nixopus

Cursor rule Cursor

Go API Development Rules for Nixopus Backend.

not rated 1.5k +1 3mo ago A 0 tokens

kdoc

125

modelcontextprotocol/kotlin-sdk

Skill Claude CodeCodex ✓ vendor

Add KDoc documentation to Kotlin public API. Use whenever the user asks to document Kotlin code, add KDoc, generate API docs, mentions undocumented public declarations, or wants to improve existing documentation. Also trigger when the user says 'add docs', 'document this class/file/module', 'write KDoc', or asks about…

not rated 1.4k +2 yesterday A 73 tokens

at_client_skills-sdk

126

atsign-foundation/at_client_sdk

Skill Claude CodeCodex

Use this skill when a developer is building a Dart or Flutter app that depends on atclient or atclientflutter from pub.dev, stores or shares data via the Atsign Protocol, needs onboarding (CRAM new-atsign, atKeys file, keychain, APKAM) or APKAM enrollment, or asks about AtCollection , CItem , Query , sub-collections…

not rated 1.4k +1 today A 232 tokens original BSD-3-Clause

SwiftAgents AGENTS.md

127

twostraws/SwiftAgents

Instructions file CodexOpenCode

AGENTS.md instructions for twostraws/SwiftAgents, covering agent guide for swift and swiftui, role, core instructions, swift instructions and swiftui instructions.

not rated 1.4k +2 6mo ago A 1,581 tokens

fantasy-net

128

qq362946/Fantasy

Skill Claude CodeCodex

This guide applies to development and code review for Fantasy / Fantasy.Net / Fantasy.Unity written in C#. Use it when a task involves Fantasy server code or Unity client code using Fantasy, ECS entities/components/systems, scenes and subscenes, FTask, network handlers/messages/protocols, Address or Roaming routing…

not rated 1.4k +4 2d ago A 157 tokens

hesreallyhim/a-list-of-claude-code-agents

Agent

Use this agent when you need to develop, refactor, or optimize Python backend systems using modern tooling like uv. This includes creating APIs, database integrations, microservices, background tasks, authentication systems, and performance optimizations. Examples: Context: User needs to create a FastAPI application…

not rated 1.3k 9mo ago A 252 tokens

swift-mlx-lm

130

kellyvv/PhoneClaw

Skill Claude CodeCodex

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX. Covers local inference, streaming, wired memory coordination, tool calling, LoRA fine-tuning, embeddings, and model porting.

not rated 1.2k +4 29d ago A 52 tokens original Apache-2.0

Ido-Levi/Hephaestus

Agent Claude Code

Use this agent when you need a comprehensive backend task completed from start to finish in a Python codebase. This includes implementation, testing, validation, and proper integration. Examples:\n\n \nContext: User needs a new API endpoint implemented with full test coverage.\nuser: "I need to add a POST /api/users…

not rated 1.2k +2 9mo ago A 0 tokens

binance-net

132

JKorf/Binance.Net

Instructions file CodexOpenCode

Use Binance.Net when generating C#/.NET code that interacts with the Binance cryptocurrency exchange — including Spot, Margin, USD-M Futures, COIN-M Futures, Options, sub-accounts, brokerage, REST endpoints, WebSocket subscriptions, account management, market data, or order placement. Triggers on any request…

not rated 1.2k today A 2,351 tokens original MIT

keinsaasforever/better-chatbot

Instructions file CodexOpenCode

AGENTS.md instructions for keinsaasforever/better-chatbot, covering repository guidelines, project structure & module organization, build, test, and development commands, coding style & naming conventions and testing guidelines.

not rated 1.2k +2 16d ago A 635 tokens original MIT

axiom

134

CharlesWiltgen/Axiom

Plugin Claude Code

Bundles 16 commands, 42 agents · 9,164 tokens together

Battle-tested Claude Code skills, agents, and tools for modern xOS (iOS, iPadOS, macOS, watchOS, tvOS) development.

not rated 1.1k +5 7d ago A tokens not measured original MIT

Aaronontheweb/dotnet-skills

Instructions file CodexOpenCode

Instructions for Aaronontheweb/dotnet-skills, covering agents.md, repository purpose, structure, skill naming convention and file formats.

not rated 1.1k +6 28d ago A 1,291 tokens original MIT

cpu-8085

136

z88dk/z88dk

Skill Claude CodeCodex

Intel 8085 assembly for z88dk: Zilog mnemonics, full opcode map (flags K/V, timings), and extended-instruction usage. Strong rule: stack-only locals and intermediates; static/BSS only for cross-call state. Prefer when writing or reviewing 8085 library asm, mapping Intel↔Zilog, choosing stack frames, K-flag loops…

not rated 1.1k +3 changed yesterday A 109 tokens

cbmc AGENTS.md

137

diffblue/cbmc

Instructions file CodexOpenCode

AGENTS.md instructions for diffblue/cbmc, covering agents.md - guide for ai coding assistants, project overview, what cbmc does, project website and repository structure.

not rated 1.1k +3 15d ago A 7,198 tokens

swiftui-backports

138

shaps80/SwiftUIBackports

Skill Claude CodeCodex

Find SwiftUIBackports replacements for SwiftUI APIs unavailable on a project deployment target. Use for Swift/SwiftUI compiler availability errors, old iOS/tvOS/watchOS/macOS targets, or when implementing SwiftUI app features that may benefit from SwiftUIBackports.

not rated 1.1k 2mo ago A 60 tokens original MIT

neva AGENTS.md

139

nevalang/neva

Instructions file CodexOpenCode

AGENTS.md instructions for nevalang/neva, covering neva engineering guide, project model, repository map, documentation and ai engineering harness.

not rated 1.1k +1 12d ago A 1,227 tokens original MIT

microsoft/lets-learn-mcp-python

Instructions file GitHub Copilot ✓ vendor

Instructions for microsoft/lets-learn-mcp-python, covering python study buddy mcp server instructions, workflow overview, step 1: assess user experience level, action required and response template.

not rated 1.1k 11mo ago A 1,116 tokens original MIT

Rain120/qq-music-api

Instructions file CodexOpenCode

Project instructions for qq-music-api, a TypeScript server built with Koa that provides a consistent interface to QQ Music services. They explain its request flow, API Explorer, and main directories.

not rated 1.1k +1 today A 2,444 tokens original MIT

ue-specifiers

142

fjz13/UnrealSpecifiers

Skill Claude CodeCodex

Use when writing, editing, reviewing, validating, or explaining Unreal Engine C++ reflected declarations: UCLASS, USTRUCT, UENUM, UINTERFACE, UPROPERTY, UFUNCTION, UPARAM, UMETA, meta=(...), Blueprint exposure, Details Panel, replication/RPC, SaveGame, Config, Instanced objects, UMG binding, type pickers, UHT…

not rated 1.1k +1 2mo ago A 0 tokens

agents-for-js

143

microsoft/Agents

Plugin Claude Code ✓ vendor

Bundles 4 skills · 395 tokens together

Skills for building agents with the Microsoft 365 Agents SDK for TypeScript/JavaScript.

not rated 1.1k today A tokens not measured original MIT

release

144

dropseed/plain

Skill Claude CodeCodex

Releases Plain packages with intelligent version suggestions and parallel release notes generation. Use when releasing packages to PyPI.

not rated 1.0k today A 24 tokens

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: