Agent skill

Crypto Prices

by mohitagw15856 in mohitagw15856/pm-claude-skills

Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl.

MITAuto-check passedBusiness, Finance & HR

Install Crypto Prices

skills CLI
$ npx skills add mohitagw15856/pm-claude-skills --skill crypto-prices -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mohitagw15856/pm-claude-skills crypto-prices --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/crypto-prices .claude/skills/crypto-prices && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
crypto-prices
GitHub stars
1.4k
Token cost
~1k tokens
SKILL.md length
481 words
Files
1
Skills in repo
1,348
Repo updated
First seen
Licence
MIT

At a glance

Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl.

  • Works in 5 steps: CoinGecko — primary: simple price: curl… → Coinbase — fallback for majors: curl -s… → Timestamp every answer: include… → …
  • Asked whats bitcoin at
  • SKILL.md covers What This Skill Produces, Required Inputs, Framework: The Two Sources and Output Format, plus 3 more sections
  • Calls curl; reaches api.coingecko.com and api.coinbase.com

What it does

Crypto Prices is an agent skill from mohitagw15856/pm-claude-skills. Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl. Use when asked what's bitcoin at, ETH price in euros, how's the crypto market today, or price of some altcoin. Produces the current price with 24h context, the source and timestamp, the rerunnable command, and the volatility caveat that crypto answers must carry.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Business, Finance & HR, covering Crypto and DeFi analysis. It works with Bitcoin and Coinbase. The repository describes itself as: 1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in… The licence is MIT.

When your agent uses it

  • Asked whats bitcoin at
  • ETH price in euros
  • Hows the crypto market today
  • Price of some altcoin

Example prompts

  • “s bitcoin at, ETH price in euros, how”
  • “/crypto-prices”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. CoinGecko — primary: simple price: curl -s "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd&include_24…
  2. Coinbase — fallback for majors: curl -s "https://api.coinbase.com/v2/prices/BTC-USD/spot" — extremely reliable, majors and USD/EUR/GBP…
  3. Timestamp every answer: include include_last_updated_at and print it; crypto moves percent-per-hour on bad days, and an undated price is…
  4. Context is the value-add: "$63,977, down 2.1% in 24h" answers "how's bitcoin"; the bare price doesn't. For "how's the market," compare BTC…
  5. The line that never moves: prices are informational; no buy/sell/hold, no predictions, no portfolio math presented as guidance. "Is now a…

What it can do on your machine

Read from SKILL.md and the folder at commit 1cbf1f0. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • curl

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • api.coingecko.com
    • api.coinbase.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Crypto Prices loads about 1k tokens when it runs. Until then it costs about 102 tokens; SKILL.md has 481 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~102
When it runs · the whole SKILL.md, loaded when a task matches
~1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from mohitagw15856/pm-claude-skills at commit 1cbf1f0, republished under its MIT licence (© mohitagw15856). 481 words, ~1,049 tokens.

Download SKILL.mdSave it as .claude/skills/crypto-prices/SKILL.md (or your agent's skills folder).
name
crypto-prices
description
Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl. Use when asked what's bitcoin at, ETH price in euros, how's the crypto market today, or price of some altcoin. Produces the current price with 24h context, the source and timestamp, the rerunnable command, and the volatility caveat that crypto answers must carry.

Crypto Prices Skill

Crypto prices are the most-asked live number after weather, and two services answer keylessly: CoinGecko's public API (thousands of coins, market context, any quote currency) and Coinbase's spot endpoint (fast, reliable, majors only). This skill fetches, adds the 24-hour context that turns a number into information, and carries the caveat every crypto answer owes: this number is already stale, and it is not advice.

What This Skill Produces

  • The price — stated first, in the asked currency, with 24h change alongside
  • Context — 24h high/low or market-cap rank when the question implies "how's it doing"
  • The command — exact curl, rerunnable
  • The caveat — timestamped, volatile, informational-only

Required Inputs

Ask for these if not provided:

  • The coin(s) — resolve names to CoinGecko ids (bitcoin, ethereum, solana…); for obscure tickers, search first: https://api.coingecko.com/api/v3/search?query=name — ticker collisions are common and the wrong coin is a real failure mode
  • Quote currency — usd default, but honor the user's (CoinGecko quotes in dozens: vs_currencies=eur,inr,jpy)
  • Depth — a number, or market context (change, volume, rank)?

Framework: The Two Sources

  1. CoinGecko — primary: simple price: curl -s "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd&include_24hr_change=true&include_24hr_vol=true&include_last_updated_at=true" · richer context: .../api/v3/coins/markets?vs_currency=usd&ids=bitcoin,ethereum (adds rank, high/low, ATH distance) · trending: .../api/v3/search/trending. Public tier rate-limits (~10–30 req/min) — batch ids into one call, never loop.
  2. Coinbase — fallback for majors: curl -s "https://api.coinbase.com/v2/prices/BTC-USD/spot" — extremely reliable, majors and USD/EUR/GBP pairs, no market context. Use when CoinGecko rate-limits or for a fast single number.
  3. Timestamp every answer: include include_last_updated_at and print it; crypto moves percent-per-hour on bad days, and an undated price is misinformation waiting to age.
  4. Context is the value-add: "$63,977, down 2.1% in 24h" answers "how's bitcoin"; the bare price doesn't. For "how's the market," compare BTC + ETH + a top-alt rather than editorializing.
  5. The line that never moves: prices are informational; no buy/sell/hold, no predictions, no portfolio math presented as guidance. "Is now a good time to buy" gets the price, the volatility fact, and a clean refusal to predict.
Show full SKILL.md (164 more words)Show less

Output Format

[Coin] Price

[Price] [currency] · 24h: [±x.x%] [· rank/context if asked]

[Multi-coin questions: small table, one row per coin]

Source: [CoinGecko / Coinbase] at [timestamp, UTC] · rerun: [exact curl] Live snapshot, already aging — informational only, not investment advice.

Quality Checks

  • The coin id was resolved unambiguously (searched when the ticker could collide)
  • 24h change accompanies the price
  • The timestamp appears in the answer
  • Multi-coin requests were batched into one call
  • The not-advice line appears verbatim in spirit — every time

Anti-Patterns

  • Do not answer from memory — a remembered crypto price is fiction; fetch or hand over the command
  • Do not guess which coin a ticker means — search and confirm; $PEPE-class collisions burn people
  • Do not loop per-coin requests against a rate-limited public API — batch
  • Do not predict, recommend, or imply timing — the refusal is part of the skill
  • Do not quote without the timestamp — undated crypto prices are misinformation with confidence

Example Trigger Phrases

  • "What's bitcoin at?"
  • "How's the crypto market today?"
  • "Price of some altcoin."

© mohitagw15856, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/crypto-prices of mohitagw15856/pm-claude-skills.

Open the folder on GitHubat commit 1cbf1f0

Compare with similar skills

Crypto Prices next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Crypto Prices compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Crypto Prices this skillmohitagw15856/pm-claude-skills1.4k—~1kAutomated safety check: PassMIT
ApocdataApocData/ApocData-skill104—~1.9kAutomated safety check: PassApache-2.0
Okx Sentiment Trackerdex-original/okx-agent-trade-kit1101 repos~3.8kAutomated safety check: PassMIT
Academy Skillbinance/binance-skills-hub1.1k—~3.5kAutomated safety check: NotesNone
Alpha Vantageagent-skills-hub/agent-skills-hub1122 repos~1.6kAutomated safety check: PassMIT
Emblemai Crypto Walletsickn33/agentic-awesome-skills47k2 repos~669Automated safety check: PassMIT

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Works with

Questions about Crypto Prices

What does Crypto Prices do?

Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl. Crypto Prices is an agent skill from mohitagw15856/pm-claude-skills. Fetch live cryptocurrency prices with zero API keys — CoinGecko's public endpoints primary, Coinbase spot fallback, via plain curl.

When should I use Crypto Prices?

Crypto Prices fits situations like: asked whats bitcoin at; ETH price in euros; hows the crypto market today; price of some altcoin.

How do I install Crypto Prices in Claude Code?

Run `npx skills add mohitagw15856/pm-claude-skills --skill crypto-prices -a claude-code`. Or copy the skill folder (skills/crypto-prices in mohitagw15856/pm-claude-skills) into .claude/skills/crypto-prices in your project. Claude Code loads it when a task matches its description.

How do I install Crypto Prices in Codex?

Run `npx skills add mohitagw15856/pm-claude-skills --skill crypto-prices -a codex`. Or copy the skill folder (skills/crypto-prices in mohitagw15856/pm-claude-skills) into .agents/skills/crypto-prices in your project. Codex loads it when a task matches its description.

Can I use Crypto Prices in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mohitagw15856/pm-claude-skills --skill crypto-prices -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/crypto-prices, .gemini/skills/crypto-prices, .github/skills/crypto-prices and .opencode/skills/crypto-prices in your project.

What does Crypto Prices need to run?

Going by SKILL.md and its folder, Crypto Prices needs the command-line tools its instructions call (curl).

Does Crypto Prices access the network?

SKILL.md names 2 domains. In commands or code: api.coingecko.com and api.coinbase.com; the agent is likely to contact these when it follows the instructions. This is read from the text; nothing was executed.

Is Crypto Prices safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Crypto Prices use?

Crypto Prices is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Crypto Prices use?

About 1k tokens (SKILL.md is roughly 4.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Crypto Prices?

Skills that share tags, products or a category with Crypto Prices: Apocdata (ApocData/ApocData-skill, 104 stars), Okx Sentiment Tracker (dex-original/okx-agent-trade-kit, 110 stars), Academy Skill (binance/binance-skills-hub, 1.1k stars) and Alpha Vantage (agent-skills-hub/agent-skills-hub, 112 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Crypto Prices?

mohitagw15856 (a GitHub user) maintains it in mohitagw15856/pm-claude-skills, which has 1,434 GitHub stars. The repository holds 1,348 skills in this directory. The repository was last updated on October 9, 2026.

Source: mohitagw15856/pm-claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.