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.
npx agentmods add skills/braxtonrose4/zorro-agent/basenpx skills add braxtonROSE4/zorro-agent --skill basegit clone --depth 1 https://github.com/braxtonROSE4/zorro-agentWrote 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.
[](https://agentmods.dev/skills/braxtonrose4/zorro-agent/base)<a href="https://agentmods.dev/skills/braxtonrose4/zorro-agent/base"><img src="https://agentmods.dev/badge/skills/braxtonrose4/zorro-agent/base.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00051 | $0.02025 |
| Opus 5 | $0.00026 | $0.01012 |
| Sonnet 5 | $0.00010 | $0.00405 |
| Haiku 4.5 | $0.00005 | $0.00202 |
Grade A, and why
base scanned grade A with 1 finding 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 5d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
No API key needed. Uses only Python standard library (urllib, json, argparse). This is a copy
98% identical to base — 32 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 232 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Base Blockchain Skill
Query Base (Ethereum L2) on-chain data enriched with USD pricing via CoinGecko. 8 commands: wallet portfolio, token info, transactions, gas analysis, contract inspection, whale detection, network stats, and price lookup.
No API key needed. Uses only Python standard library (urllib, json, argparse).
When to Use
- User asks for a Base wallet balance, token holdings, or portfolio value
- User wants to inspect a specific transaction by hash
- User wants ERC-20 token metadata, price, supply, or market cap
- User wants to understand Base gas costs and L1 data fees
- User wants to inspect a contract (ERC type detection, proxy resolution)
- User wants to find large ETH transfers (whale detection)
- User wants Base network health, gas price, or ETH price
- User asks "what's the price of USDC/AERO/DEGEN/ETH?"
Prerequisites
The helper script uses only Python standard library (urllib, json, argparse). No external packages required.
Pricing data comes from CoinGecko's free API (no key needed, rate-limited
to ~10-30 requests/minute). For faster lookups, use --no-prices flag.
Quick Reference
RPC endpoint (default): https://mainnet.base.org Override: export BASE_RPC_URL=https://your-private-rpc.com
Helper script path: ~/.zorro/skills/blockchain/base/scripts/base_client.py
python3 base_client.py wallet <address> [--limit N] [--all] [--no-prices]
python3 base_client.py tx <hash>
python3 base_client.py token <contract_address>
python3 base_client.py gas
python3 base_client.py contract <address>
python3 base_client.py whales [--min-eth N]
python3 base_client.py stats
python3 base_client.py price <contract_address_or_symbol>
Procedure
0. Setup Check
python3 --version
# Optional: set a private RPC for better rate limits
export BASE_RPC_URL="https://mainnet.base.org"
# Confirm connectivity
python3 ~/.zorro/skills/blockchain/base/scripts/base_client.py stats
1. Wallet Portfolio
What ships with it
1 file 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.
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.
- 5d ago First seen · 232 lines · 51 tokens per session scan A 6131972bec9b
base is a skill published in the GitHub repository braxtonROSE4/zorro-agent (8 stars, last pushed 4mo ago), licensed MIT. It adds 51 tokens to every session and 2,025 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 98% identical to base, differing in 32 lines, and is treated as a copy.
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