numpy-docs

numpy-docs is a skill for Claude Code, Codex from pledgeandgrow/pledge-skills. It costs 35 tokens per session (1,991 once invoked), scanned A, original, MIT.

Documentation for NumPy, a Python package for working with numerical data in multidimensional arrays. It covers creating, indexing, reshaping, combining, saving, and calculating with arrays.

In plain words
What is it for?
Use it for scientific calculations, matrix and vector operations, data transformation, statistics-related array work, file-based numerical data, and code that connects Python with C, C++, or Fortran.
Why use it?
It helps you perform large amounts of numerical work consistently without writing every calculation as a slow loop over individual values.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/pledgeandgrow/pledge-skills/numpy
Any agent
npx skills add pledgeandgrow/pledge-skills --skill numpy
Clone the repo
git clone --depth 1 https://github.com/pledgeandgrow/pledge-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for numpy-docs

README.md
[![agentmods](https://agentmods.dev/badge/skills/pledgeandgrow/pledge-skills/numpy.svg)](https://agentmods.dev/skills/pledgeandgrow/pledge-skills/numpy)
Your own site
<a href="https://agentmods.dev/skills/pledgeandgrow/pledge-skills/numpy"><img src="https://agentmods.dev/badge/skills/pledgeandgrow/pledge-skills/numpy.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,991 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00035 $0.01991
Opus 5 $0.00017 $0.00996
Sonnet 5 $0.00007 $0.00398
Haiku 4.5 $0.00003 $0.00199

Measured 6d ago against content hash a56b50aad89d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

numpy-docs scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/numpy/SKILL.md · 108 lines

How it starts

The opening of the file, as written. The whole thing — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.

NumPy

NumPy is the fundamental package for scientific computing in Python, providing a powerful N-dimensional array object, broadcasting functions, and tools for integrating C/C++ and Fortran code.

Version: NumPy 2.5 (current)
Documentation: numpy.org/doc/stable/user/index.html
GitHub: github.com/numpy/numpy

Quick Reference

Topic File
Getting Started & Quickstart (What is NumPy, installation, array creation, printing, arithmetic, matrix product, in-place ops, upcasting, unary operations, universal functions, indexing/slicing/iterating, shape manipulation, stacking/splitting, copies and views, advanced indexing: integer/boolean, ix_, linear algebra, histograms, tips & tricks) getting-started.md
Fundamentals (Array creation: 6 mechanisms, intrinsic functions, from disk, raw bytes, library functions; Data types: all numerical types, dtype specification, type conversion, array scalars; Indexing: basic, slicing, ellipsis, newaxis, advanced integer/boolean; Broadcasting: rules, examples, incompatible shapes; Copies and views: views vs copies, key operations table; I/O: genfromtxt, loadtxt, save/load, raw binary, standard formats; Strings and bytes: fixed-width, variable-width StringDType; Structured arrays: field access, datatype creation, subarrays; Universal functions: ufunc methods, type casting, custom ufuncs, error handling, buffer size) fundamentals.md
Advanced (Interoperability: buffer protocol, array, array_ufunc, array_function, DLPack; Performant code: multiprocessing, ProcessPoolExecutor, shared memory, Numba, Cython, Dask; NumPy for MATLAB users: key differences, common equivalents table; How-tos: file I/O, indexing, regularly-spaced values, printing, verifying bugs; C-API: extending NumPy, Python as glue, F2PY, custom ufuncs in C; Under-the-hood: internal organization, strides, C code explanations, memory alignment, byte-swapping, custom array containers, subclassing ndarray; NumPy 2.0 migration: Ruff NPY201, promotion rules NEP 50, default integer, copy keyword, removed functions, C API changes; Glossary: all key terms) advanced.md

Read the full file on GitHub · 108 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 108 lines · 35 tokens per session scan A a56b50aad89d

Subscribe to this mod's changes

numpy-docs is a skill published in the GitHub repository pledgeandgrow/pledge-skills (10 stars, last pushed 1mo ago), licensed MIT. It adds 35 tokens to every session and 1,991 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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