Python for Codex

3,842 mods tagged Python that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.

Also for Codex: anthropic · Git and workflow · Web3 and blockchain · React · TypeScript · Go · openai · android · docker · nextjs · Rust · Localization

musicbox

25

darknessomi/musicbox

Skill Claude CodeCodex

Use when the user wants to play/pause/skip music, control volume, seek, search songs/playlists, query NetEase Music data, or operate NetEase MusicBox. Drives MusicBox through the musicbox CLI + daemon; never simulates terminal keypresses to the curses TUI.

not rated 9.9k +8 13d ago A SkillSpector: warn 65 tokens original MIT

xberg-io/xberg

Skill Claude CodeCodex

Design, implement, or diagnose Xberg plugin traits, typed registries, priority collisions, lifecycle, native extractors, and Alef-generated Python plugin bridges. Load for plugin-system work, not ordinary extractor parsing.

not rated 9.4k +19 changed 11d ago A SkillSpector: pass 43 tokens original MIT

ChenLiu-1996/figures4papers

Skill Claude CodeCodex

Covers publication-ready matplotlib figures for academic papers, slides, and reports—bars, trends, scatter, heatmaps, and multi-panel layouts—with this repository’s house style, print/vector export conventions, and parity with figures4papers demos. Use when the user is finalizing or creating such figures in…

not rated 8.8k +206 3d ago A SkillSpector: pass 111 tokens

agent-squad-python

28

2FastLabs/agent-squad

Skill Claude CodeCodex

Use when building or modifying a Python app that uses the agent-squad Python package — async multi-agent orchestration for Python 3.11+: orchestrator, agents (BedrockLLMAgent, AnthropicAgent, OpenAIAgent, SupervisorAgent, GroundedAgent, ChainAgent, and more), classifier routing (Bedrock, Anthropic, OpenAI), storage…

not rated 7.8k +5 14d ago A SkillSpector: pass 113 tokens original Apache-2.0

NVIDIA-NeMo/Guardrails

Skill Claude CodeCodex

Helps developers create a NeMo Guardrails configuration for an LLM application. Use when users want to build, scaffold, configure, test, or iterate on input, output, retrieval, dialog, execution, Colang, or catalog-based guardrails. Trigger keywords - create guardrails, build guardrails, scaffold config, write rails…

not rated 7.3k +36 yesterday A SkillSpector: warn 101 tokens

shinnytech/tqsdk-python

Skill Codex

Guidance for using TqSdk, a Python toolkit for market data, trading accounts, orders, positions, and backtesting futures or stocks.

not rated 5.1k +17 changed yesterday A SkillSpector: pass 88 tokens original Apache-2.0

basicmachines-co/basic-memory

Skill Claude CodeCodex

Analyze a complete literary work into a structured Basic Memory knowledge graph: schema design, entity seeding, chapter-by-chapter processing, cross-referencing, and validation.

not rated 4.3k +72 changed 8d ago A Socket: passSnyk: passSkillSpector: warn 38 tokens AGPL-3.0

docetl

32

ucbepic/docetl

Skill Claude CodeCodex

Build and run LLM-powered data processing pipelines with DocETL. Use when users say "docetl", want to analyze unstructured data, process documents, extract information, or run ETL tasks on text. Helps with data collection, pipeline creation, execution, and optimization.

not rated 4.1k +5 13d ago A SkillSpector: warn 59 tokens original MIT

pysr

33

astroautomata/PySR

Skill Claude CodeCodex

Use when fitting equations to data with PySR or SymbolicRegression.jl, when a user wants an interpretable formula, symbolic model, scaling law, or empirical relation discovered from numeric data, or when debugging a PySR search that is slow, stuck, or giving poor equations.

not rated 4.1k +281 changed 22d ago A SkillSpector: pass 61 tokens original Apache-2.0

koxudaxi/datamodel-code-generator

Skill Claude CodeCodex

Use this skill when the user wants Python data models, Pydantic models, dataclasses, TypedDicts, msgspec structs, or type-safe Python classes generated from OpenAPI, AsyncAPI, JSON Schema, GraphQL, JSON/YAML/CSV sample data, MCP tool schemas, Protocol Buffers, XML Schema, Apache Avro, or existing Python model objects.…

not rated 4.0k 4d ago A SkillSpector: warn 147 tokens original MIT

Sumanth077/Hands-On-AI-Engineering

Skill Claude CodeCodex

Fetches articles from 92 Karpathy-curated RSS feeds, scores them with an LLM, selects the top 3, and delivers a formatted digest to Telegram every morning.

not rated 4.0k +47 yesterday A SkillSpector: pass 42 tokens

xpf0000/FlyEnv

Skill Claude CodeCodex

Use when implementing or reviewing FlyEnv multi-step operations, batch actions, PID candidate filtering, cleanup, supplementary actions, or changes to throw/reject and terminal result handling.

not rated 3.3k +17 today A 41 tokens original BSD-3-Clause

portr-cli

37

amalshaji/portr

Skill Codex

Use when an AI agent or harness needs to operate the Portr CLI: authenticate a client, add users to teams, create HTTP/WebSocket/TCP/stub tunnels, run config-defined tunnels, inspect request logs, replay captured requests, or control tunnels through the local app-server API. This skill is compatible with Claude Code…

not rated 3.2k +1 2d ago A SkillSpector: warn 79 tokens AGPL-3.0

memmachine-memory

38

MemMachine/MemMachine

Skill Codex

Use when an agent or model needs durable project, user, or session context from MemMachine, needs to save information to MemMachine memory, has requests involving mem-cli, memmachine, or memmachineclient, has insufficient conversation context, or is tempted to search local files for prior context that should come from…

not rated 3.1k +4 today A SkillSpector: pass 96 tokens original Apache-2.0

chdb-datastore

39

chdb-io/chdb

Skill Claude CodeCodex

Use when the user has tabular data (pandas DataFrame, parquet, csv, Arrow, json) and wants to filter, group, aggregate, join, or speed up slow pandas. Provides chDB DataStore — same pandas API, ClickHouse engine underneath. Also handles reading from S3, MySQL, PostgreSQL, MongoDB, ClickHouse Cloud, Iceberg, Delta Lake…

not rated 2.9k +3 9d ago A SkillSpector: pass 168 tokens original Apache-2.0

kayba-ace

40

kayba-ai/agentic-context-engine

Skill Claude CodeCodex

This skill ships learnfromtraces.py, a script that reads OpenClaw session transcripts, feeds them through the ACE learning pipeline, and writes an updated skillbook to disk.

not rated 2.6k +4 28d ago A SkillSpector: warn 0 tokens original Apache-2.0

rev-idapython

41

P4nda0s/reverse-skills

Skill Claude CodeCodex

IDAPython and IDALib script reference for reverse engineering. Activate when the user needs to write IDAPython scripts in IDA, use IDALib for headless analysis, operate on IDB databases, debug with IDA, manipulate memory/registers, traverse functions/blocks/instructions, work with Hex-Rays decompiler API, handle…

not rated 2.3k +21 5mo ago A Socket: passSnyk: pass 84 tokens

dstack-prototyping

42

dstackai/dstack

Skill Claude CodeCodex

Use with the dstack skill for model-serving work when the image, serving command, resources, backend/fleet choice, or service behavior is not proven. Guides task-first prototyping on real hardware, choosing fleets/backends that can reuse idle instances and caches, checking vLLM/SGLang sources, and verifying the final…

not rated 2.3k +2 changed 23d ago A SkillSpector: warn 80 tokens original MPL-2.0

agent-mail

43

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.

not rated 2.2k +9 today C 59 tokens

anywhere-labs/Agents-Anywhere

Skill Codex

General Python engineering standards for writing, reviewing, and refactoring maintainable code. Use when Codex works on Python code, especially in medium/large projects, runtime adapters, APIs, SDK integrations, async services, stateful systems, or refactors where readability, explicit typing, module boundaries, side…

not rated 2.0k +288 today A 75 tokens

connect-recommend

45

stripe/ai

Skill Claude CodeCodex ✓ vendor

Use this skill when the user asks about Stripe Connect configuration, charge patterns, Dashboard access, or how to get started with Connect, is building a marketplace, platform, multi-vendor store, gig platform, or subscription platform, needs to pay out sellers, vendors, or providers, mentions split payments, revenue…

not rated 2.0k +13 changed 12d ago A Socket: passSnyk: warnSkillSpector: pass 151 tokens original MIT

rdkit

46

benchflow-ai/skillsbench

Skill Claude CodeCodex

Cheminformatics toolkit for fine-grained molecular control. SMILES/SDF parsing, descriptors (MW, LogP, TPSA), fingerprints, substructure search, 2D/3D generation, similarity, reactions. For standard workflows with simpler interface, use datamol (wrapper around RDKit). Use rdkit for advanced control, custom…

not rated 1.9k +15 9d ago A SkillSpector: pass 80 tokens original Apache-2.0

openosint

47

OpenOSINT/OpenOSINT

MCP server Claude CodeCodexCursor +2

AI-powered OSINT agent, MCP server, and CLI. Interactive REPL + 19 tools. Anthropic Claude or local Ollama. For authorized security research use only. Runs locally from the openosint Python package. Needs 5 environment variables to run.

not rated 1.8k +34 today A Socket: warn tokens not measured original MIT

shiny-for-python

48

posit-dev/py-shiny

Skill Claude CodeCodex

Building, styling, testing, debugging, or observing a Shiny for Python (py-shiny) reactive web app - from shiny import ..., shiny run app.py. Index skill: read this, then open the linked reference for the task. Covers dashboard design and visual QA; card toolbars and accessible icons; interactive Plotly charts and…

not rated 1.8k +3 changed 7d ago A SkillSpector: pass 218 tokens original MIT

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: