alpha-vantage skillA
alpha-vantage is agent-read markdown (skill) from marielynneblock/arcanum-artifex: Access real-time and historical stock market data, forex rates, cryptocurrency prices, commodities, economic indicators, and 50+ technical indicators via the Alpha Vantage API. Use when fetching stock prices (OHLCV), company fundamentals (income statement, balance sheet, cash flow), earnings, options data, market news/sentiment, insider transactions, GDP, CPI, treasury yields, gold/silver/oil prices, Bitcoin/crypto prices, forex exchange rates, or calculating technical indicators (SMA, EMA, MACD.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add marielynneblock/arcanum-artifex/alpha-vantage@git:20260710.0115f49mdr add marielynneblock/arcanum-artifex/alpha-vantage@sha256:2a29f049bbd5c7b7Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_ypgj2dy4oczdnxfz)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260710.0115f49 latest | 2026-07-10 | 0115f49 | 6,259 B | A | view · diff |
| git:20260710.ffb3400 | 2026-07-10 | ffb3400 | 6,259 B | A | view · diff |
| git:20260515.b861afb | 2026-05-15 | b861afb | 6,259 B | A | view · diff |
| git:20260406.05dff34 | 2026-04-06 | 05dff34 | 6,259 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (6259 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
marielynneblock/arcanum-artifex · 4 stars · license none · pushed 2026-09-16 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ypgj2dy4oczdnxfz GET https://markdownregistry.com/api/v1/resolve?ref=marielynneblock/arcanum-artifex/alpha-vantage GET https://markdownregistry.com/api/v1/blob/2a29f049bbd5c7b7a297916c4e5d21272915dc49aef494563c077f931cc0d2eb
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.