astock-cache

astock-cache is a skill for Claude Code, Codex from ZICXR/A-Stock-Skills. It costs 65 tokens per session (593 once invoked), scanned A, original, MIT.

A local cache for stock price-history data, including K-line data, which records prices over time. It stores downloaded data so later screening runs can reuse it instead of downloading the same data again.

In plain words
What is it for?
Use it to update cached K-line data, load it for individual stocks, and connect the cache to screening code with a fallback download when data is missing.
Why use it?
It removes repeated waiting and network requests when analyzing the same stocks or running a market-wide screener more than once.

Skill for Claude CodeCodex

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

Good fit Use it to update cached K-line data, load it for individual stocks, and connect the cache to screening code with a fallback download when data is missing.

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Install with agentmods
npx agentmods add skills/zicxr/a-stock-skills/astock-cache
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.

Any agent
npx skills add ZICXR/A-Stock-Skills --skill astock-cache
Clone the repo
git clone --depth 1 https://github.com/ZICXR/A-Stock-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 astock-cache

README.md
[![agentmods](https://agentmods.dev/badge/skills/zicxr/a-stock-skills/astock-cache/github.svg)](https://agentmods.dev/skills/zicxr/a-stock-skills/astock-cache)
Your own site
<a href="https://agentmods.dev/skills/zicxr/a-stock-skills/astock-cache"><img src="https://agentmods.dev/badge/skills/zicxr/a-stock-skills/astock-cache/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for astock-cache

Your own site · 80×15
<a href="https://agentmods.dev/skills/zicxr/a-stock-skills/astock-cache"><img src="https://agentmods.dev/badge/skills/zicxr/a-stock-skills/astock-cache.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 593 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00065 $0.00593
Opus 5 $0.00032 $0.00296
Sonnet 5 $0.00013 $0.00119
Haiku 4.5 $0.00006 $0.00059

Measured 11d ago against content hash 28635fac8e49, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

astock-cache 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 11d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (main.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/01-infra/astock-cache/SKILL.md · 69 lines

What it actually says

astock-cache

何时使用

  • 全市场筛选太慢 (每次 30 分钟)
  • 反复拉同一只股票 K 线
  • 跑 screener 跑 2 遍
  • 想要"盘后更新一次,白天用一天"

🚀 快速上手

# 看缓存多少了
python main.py kline-stats

# 跑一次全市场 K 线更新 (15-30 分钟, 但之后都是 5 秒)
python daily_update.py

# 单独看某只股票
python main.py kline-stats
# {"count": 5028, "size_mb": 18.4}

提供能力

通用 Key-Value 缓存

  • cache_set/get/delete/clear
  • cached(key, ttl) 装饰器
  • 存储: ~/.astock_skills/cache/*.pkl

K 线 parquet 缓存 (新,推荐)

  • kline_save(code, df, days) 存 parquet
  • kline_load(code, days, max_age_hours)
  • kline_get_or_fetch(code, fetch_fn, days) 智能模式
  • 存储: ~/.astock_skills/cache/kline/{code}_{days}d.parquet

screener 集成示例

from skills.01-infra.astock-cache.main import kline_get_or_fetch
from skills.01-infra.astock-data-source.main import get_kline

def smart_kline(code, days=60):
    """优先读缓存, 缓存没有才拉网络"""
    return kline_get_or_fetch(code, get_kline, days=days)

# 第一次慢 (拉网络), 之后 5 秒
df = smart_kline("601991", 60)

性能

场景 无缓存 有缓存 加速比
单股 60 日 K 线 1.2s 0.05s 24x
全市场 5028 只 60 日 30min 5s 360x

依赖

pandas>=1.5.0
pyarrow>=10.0.0  # parquet 引擎
Files

What ships with it

2 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. 11d ago First seen · 69 lines · 65 tokens per session scan A 28635fac8e49

Subscribe to this mod's changes

astock-cache is a skill published in the GitHub repository ZICXR/A-Stock-Skills (25 stars, last pushed 2mo ago), licensed MIT. It adds 65 tokens to every session and 593 once invoked, about $0.0003 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 2026-08-30.