Python for Claude Code

3,881 mods tagged Python that install into Claude Code, 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 Claude Code: anthropic · Git and workflow · Web3 and blockchain · React · TypeScript · docker · Localization · Go · Rust · nextjs · bun · android

agent-squad-python

26

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 +4 yesterday A 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 7.1k +16 2d ago A 101 tokens

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 4.8k +540 today A 111 tokens

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 +3 today A 147 tokens original MIT

basicmachines-co/basic-memory

Skill Claude CodeCodex

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

not rated 3.9k +33 changed 2d ago A Socket: passSnyk: warn 42 tokens AGPL-3.0

vizro-e2e-flow

31

mckinsey/vizro

Plugin Claude Code

Bundles 6 skills · 424 tokens together

Build Vizro dashboards from concept to deployment. Enforces a 2-phase workflow covering requirements, layout design, visualization selection, implementation with Python, and testing.

not rated 3.8k +2 today A tokens not measured original Apache-2.0

pysr

32

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 3.7k +3 changed today A 61 tokens original Apache-2.0

ghidra-mcp

33

bethington/ghidra-mcp

MCP server Claude CodeCodexCursor +2

MCP server "ghidra-mcp" as configured in bethington/ghidra-mcp. Runs locally from the c:/Users/benam/source/mcp/ghidra-mcp Python package. Needs 3 environment variables to run.

not rated 3.7k +63 3d ago A tokens not measured original Apache-2.0

chdb-datastore

34

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 3d ago A 168 tokens original Apache-2.0

datachain-core

35

datachain-ai/datachain

Skill Claude CodeCodex

Use ONLY for abstract DataChain SDK questions — API usage, method signatures, or code patterns — when no specific dataset or bucket is referenced. If the request mentions creating, saving, listing, exploring datasets or buckets, use datachain-knowledge instead.

not rated 2.8k +3 changed 2d ago A 54 tokens original Apache-2.0

megalinter

37

oxsecurity/megalinter

Plugin Claude Code

Bundles 25 skills, 14 agents · 2,208 tokens together

Set up, run and fix MegaLinter on any repository: 100+ linters for 69+ languages, 23+ formats and 21+ tooling formats, from CI or locally.

not rated 2.6k +1 changed yesterday A tokens not measured AGPL-3.0

review

38

graphistry/pygraphistry

Skill Claude CodeCodex needs its repo

Structured PR review for pygraphistry. Input: PR number/branch (default current branch PR). Output: findings and convergence artifacts under plans/ /. Method: multi-wave, evidence-first review across spec, correctness, tests, security, code quality, DRY, concurrency, performance, architecture, operability, and…

not rated 2.6k +2 today A 69 tokens original BSD-3-Clause

dstack-prototyping

39

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 2.2k +2 changed 3d ago A 80 tokens original MPL-2.0

agent-mail

40

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 2.1k +9 yesterday C 59 tokens

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 2.1k +18 4mo ago A Socket: passSnyk: pass 84 tokens

agent-tool

43

vstorm-co/full-stack-ai-agent-template

Skill Claude Code

Add a new tool/function the AI agent can call (e.g. look something up, hit an external API, perform an action). Use when extending the assistant's capabilities, wiring a new function into the agent, or when the model needs a new action. This project uses {{ cookiecutter.aiframework }}.

not rated 1.9k +17 3d ago A 66 tokens original MIT

stripe/ai

Skill Claude CodeCodex ✓ vendor

Use this skill when the user asks what information a Stripe Connect connected account must provide for verification, onboarding, KYC, or account requirements; when they need to compare requirements between connected-account setups; or when they ask which verification fields, documents, or business details are required…

not rated 1.8k +7 3d ago A Socket: passSnyk: warn 80 tokens original MIT

shiny-for-python

45

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 today A 209 tokens original MIT

art-of-debugging

46

stas00/the-art-of-debugging

Skill Claude CodeCodex

Systematic methodology and concrete tool recipes for debugging Unix, Python, and PyTorch programs - crashes, hangs, segfaults, wrong output, CUDA OOM, NaN/Inf, slowness, and multi-node/multi-GPU issues. Use when a program crashes, hangs, deadlocks, segfaults, runs out of memory (OOM), produces NaN/Inf or wrong…

not rated 1.7k +2 3d ago B 193 tokens CC-BY-SA-4.0

telegram

47

bubbuild/bub

Skill Claude CodeCodex

Telegram Bot skill for sending and editing Telegram messages via Bot API. Use when Bub needs to: (1) Send a message to a Telegram user/group/channel, (2) Reply to a specific Telegram message with replytomessageid, (3) Edit an existing Telegram message, or (4) Push proactive Telegram notifications. Prefer rich…

not rated 1.6k +4 today A 105 tokens original Apache-2.0

openosint

48

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 1.5k +21 4d ago A Socket: warn tokens not measured 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: