Python for Codex

2,918 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 · openai · android · docker · Localization · bun · nextjs · PostgreSQL

buzzer-re/Rikugan

Skill Claude CodeCodex

Write and execute Binary Ninja Python scripts — full API reference included.

not rated 672 2mo ago A 17 tokens original MIT

cnsplots

50

faridrashidi/cnsplots

Skill Codex

Create, revise, and troubleshoot publication-ready scientific plots in Python with cnsplots, including distribution, regression, heatmap, genomics, survival, set, flow, and multi-panel figures. Use when a user asks for cnsplots code, Cell/Nature/Science-style visualization, precise physical figure dimensions…

not rated 663 +2 changed today A 79 tokens original BSD-3-Clause

skylos

51

duriantaco/skylos

MCP server Claude CodeCodexCursor +2

Open-source, local-first static analysis and PR gates for Python, TypeScript/JavaScript, Go, Java, Kotlin, PHP, Rust, Dart, C#, and Shell. Finds dead code, security issues, secrets, quality regressions, and AI-code mistakes. Runs locally from the skylos Python package. Needs 1 environment variable to run.

not rated 671 +98 today A Socket: warn tokens not measured original Apache-2.0

bnlearn

52

erdogant/bnlearn

Skill Claude CodeCodex

Use this skill when working with bnlearn, a Python library for Bayesian networks, probabilistic graphical models, causal discovery, parameter learning, structure learning, inference, sampling, and directed acyclic graphs (DAG).

not rated 645 +1 8d ago A 46 tokens

datafusion-python

53

apache/datafusion-python

Skill Claude CodeCodex ✓ vendor

Use when the user is writing datafusion-python (Apache DataFusion Python bindings) DataFrame or SQL code. Covers imports, data loading, DataFrame operations, expression building, SQL-to-DataFrame mappings, idiomatic patterns, and common pitfalls.

not rated 602 +3 yesterday A 54 tokens original Apache-2.0

winstonkoh87/Athena-Public

Skill Claude CodeCodex

Unified business model evaluator, client filter, pricing engine, and distribution architect. Absorbs 31 business + 8 marketing + 13 content + 2 acquisition protocols.

not rated 585 today A 43 tokens original MIT

MazzaWill/neo4j-python-pandas-py2neo-v3

Skill Codex

Use when designing, importing, querying, or modernizing Neo4j knowledge graphs from CSV, Excel, pandas, Cypher, py2neo, the official neo4j Python driver, vector indexes, or GraphRAG workflows.

not rated 579 5d ago A 55 tokens original MIT

pymapdl-cli

56

ansys/pymapdl

Skill Claude CodeCodex

How to use the PyMAPDL command-line interface to start, stop, list, and execute commands on MAPDL instances from a terminal. Use this skill whenever the user wants to control MAPDL from the command line, run APDL commands via the shell, manage running MAPDL processes, script MAPDL workflows without writing Python, or…

not rated 513 +1 today A 90 tokens original MIT

clawmetry-selfcheck

57

vivekchand/clawmetry

Skill Claude CodeCodex

Read your own agent telemetry from ClawMetry (waste, progress, cost) and act on it before finishing a task. Use when ClawMetry is installed on this machine and you want to check whether you are re-reading files, spinning in loops, or burning budget.

not rated 407 +2 today A 64 tokens original MIT

haddock-development/claude-reflect-system

Skill Claude CodeCodex

Creates Python projects with proper structure, virtual environments, and dependency management. Use when users request to create a new Python project, set up a Python development environment, or initialize a Python application with standard tooling.

not rated 375 +3 7mo ago A 46 tokens

depyler

59

paiml/depyler

MCP server Claude CodeCodexCursor +2

MCP server "depyler" as configured in paiml/depyler. Launched with depyler agent start --foreground --port 3000. Needs 2 environment variables to run.

not rated 358 +1 4mo ago A tokens not measured original MIT

EpicStaff/EpicStaff

Skill Claude CodeCodex

Use when designing the variables namespace for an EpicStaff flow, translating business requirements into node graph contracts, or deciding which node type fits a responsibility.

not rated 334 +1 changed 2d ago A 37 tokens

precise

61

microprediction/precise

Skill Claude CodeCodex

Online (incremental) covariance, correlation, and precision estimation in Python — the streaming complement to sklearn.covariance. Use when code needs a covariance/correlation matrix updated per observation, recomputes np.cov/np.corrcoef in a rolling loop, must judge or compare covariance estimates, or proposes a new…

not rated 333 2mo ago A 76 tokens

bottube

62

Scottcjn/bottube

Skill Claude CodeCodex

Browse, upload, and interact with videos on BoTTube (bottube.ai) - a video platform for AI agents. Generate videos with any tool and share them.

not rated 333 +5 today D 0 tokens original MIT

StatsPAI_skill

63

brycewang-stanford/StatsPAI

Skill Claude CodeCodex

Use when the user asks to run a full empirical / causal analysis in Python — by default in the style of an applied economics paper (AER / QJE / JPE / ReStud / AEJ) with DID / RD / IV / SCM / DML / matching, written-out estimating equation + identifying assumption, Table 1 / Table 2 / event-study figure / robustness…

not rated 312 changed 2d ago D 604 tokens original MIT

python-patterns

64

virgo777/buddyme

Skill Claude CodeCodex

A guide to common Python coding practices, including PEP 8 style rules, type hints, and ways to make applications robust, efficient, and maintainable.

not rated 303 today A 48 tokens

spotifyscraper

65

AliAkhtari78/SpotifyScraper

MCP server Claude CodeCodexCursor +2

Extract public Spotify data — tracks, albums, artists, playlists, podcasts, and lyrics — without the official API. Sync + async, typed, one dependency. Runs locally from the spotifyscraper Python package. Needs 1 environment variable to run.

not rated 301 3d ago A tokens not measured original MIT

unsloth-buddy

66

TYH-labs/unsloth-buddy

Skill Claude CodeCodex

This skill should be used when users want to fine-tune language models or perform reinforcement learning (SFT, DPO, GRPO, ORPO, KTO, SimPO) using the highly optimized Unsloth library. Covers environment setup, LoRA patching, VRAM optimization, vision/multimodal fine-tuning, TTS, embedding training, and…

not rated 277 2mo ago C 123 tokens original MIT

nvmolkit-usage

67

NVIDIA-BioNeMo/nvMolKit

Skill Claude CodeCodex

Write code that calls the installed nvMolKit Python API for GPU-accelerated, batched RDKit-style operations - Morgan fingerprints, Tanimoto/cosine similarity, ETKDG conformer embedding, MMFF/UFF optimization, TFD, conformer RMSD, Butina clustering, substructure search, and maximum common substructure (MCS) search. Use…

not rated 274 +1 2d ago A 146 tokens

edge-python

68

dylan-sutton-chavez/edge-python

Skill Claude CodeCodex

Write, run, test and package Edge Python programs with the edge CLI. Use when editing .py files in an Edge Python project or when the user asks for Edge Python code.

not rated 265 +1 changed 3d ago A 39 tokens original Apache-2.0

icesixgod/codex-trajectory

Skill Codex

Inspect or show a local Codex task trajectory, including turns, approximate model steps, assistant messages, reasoning summaries, tool calls, failures, compaction, token usage, and timing. Use when the user asks for a trajectory, execution trace, task timeline, slow-tool analysis, visual event ledger, or live…

not rated 245 +2 2d ago A 78 tokens original MIT

perforatedai

70

PerforatedAI/PerforatedAI

Skill Claude CodeCodex

Expert in PerforatedAI library for adding artificial dendrites to PyTorch neural networks. Triggers: 'Perforate my model' (start interactive setup), 'debug my perforated model' (debug/optimize existing integration), 'load my perforated model for inference' (deploy trained models). Also use when: debugging dendrite…

not rated 237 yesterday A 115 tokens original Apache-2.0

littlepeachs/NaturePanelForge

Skill Claude CodeCodex

Use this skill when asked to reproduce or refine a single scientific figure panel as editable Python/matplotlib code in NaturePanelForge. It covers the local Codex panel-to-code workflow, dry-runs, review loops, expected artifacts, and validation.

not rated 217 +2 1mo ago A 56 tokens original MIT

company

72

eddmpython/dartlab

Skill Claude CodeCodex

A single-company research interface for South Korean DART filings and United States EDGAR filings. It provides one object through which users can request company records, analysis, credit, prices, quantitative data, market context, industry information, and reports.

not rated 210 5d ago A 0 tokens original Apache-2.0

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: