holdings

holdings is a skill for Claude Code, Codex from aaronjmars/aeon-agent. It costs 39 tokens per session (2,485 once invoked), scanned A, original, MIT.

A tracker that reports how many project tokens are held in configured wallets, what share of the total token supply that represents, and how the amount changed over seven or 30 days.

In plain words
What is it for?
Checking Base or Solana wallet balances, measuring token accumulation or selling over time, and reviewing holdings from prior balance snapshots.
Why use it?
It provides token amounts and ownership share without confusing them with portfolio value, since it does not report dollar prices.

Skill for Claude CodeCodex

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

Good fit Checking Base or Solana wallet balances, measuring token accumulation or selling over time, and reviewing holdings from prior balance snapshots.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aaronjmars/aeon-agent/holdings
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 aaronjmars/aeon-agent --skill holdings
Clone the repo
git clone --depth 1 https://github.com/aaronjmars/aeon-agent

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 holdings

README.md
[![agentmods](https://agentmods.dev/badge/skills/aaronjmars/aeon-agent/holdings/github.svg)](https://agentmods.dev/skills/aaronjmars/aeon-agent/holdings)
Your own site
<a href="https://agentmods.dev/skills/aaronjmars/aeon-agent/holdings"><img src="https://agentmods.dev/badge/skills/aaronjmars/aeon-agent/holdings/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 holdings

Your own site · 80×15
<a href="https://agentmods.dev/skills/aaronjmars/aeon-agent/holdings"><img src="https://agentmods.dev/badge/skills/aaronjmars/aeon-agent/holdings.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,485 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00039 $0.02485
Opus 5.5 $0.00016 $0.00994
Sonnet 5.5 $0.00008 $0.00497
Haiku 4.5 $0.00004 $0.00248

Measured 1mo ago against content hash 43e8043360a4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

holdings 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 1mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (holdings.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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

public `mainnet.base.org` endpoint 403s the default urllib UA). All reads are public
skills/holdings/SKILL.md · 220 lines

How it starts

The opening of the file, as written. The whole thing — 220 lines — stays where its author put it; the contents beside it link to each section on GitHub.

${var} — Optional single wallet address to check (Base 0x… or Solana). If empty, uses every wallet in memory/holdings.json.

What this does

Reads a set of your wallets and the project tokens to track, then reports, per token:

  • Amount held.
  • % of total supply you hold (amount ÷ total_supply).
  • 7d and 30d holdings growth — the change in your token amount over the window (did you accumulate or sell).

No dollar value / price is reported — this is a holdings tracker, not a portfolio-value report. Amounts and supply share only.

On-chain balances come from public, keyless RPC (https://mainnet.base.org for Base, https://api.mainnet-beta.solana.com for Solana); total supply comes from GeckoTerminal. No API key required — override the RPC with BASE_RPC_URL / SOLANA_RPC_URL if you have an authenticated node.

Each instance tracks its own token: this config holds one token — aeon on the aeon instance, MiroShark on the MiroShark instance. Add a second tokens entry only if an instance should report both.

Growth = amount, not price. 7d/30d growth is the change in how many tokens you hold, measured against this skill's own prior snapshots (HOLDINGS_STATE: lines in memory/logs). There is no price-history fetch — the skill builds its own history, one snapshot per run. On the first runs the 7d/30d fields are simply absent (no snapshot that far back yet) and fill in as the log accumulates: once a snapshot ~7 days back exists the 7d figure appears, ~30 days back the 30d figure. This skill runs weekly, so 7d lands on the second run and 30d after ~4-5 runs.

Note: on-chain totalSupply() reverts on the DERC20 aeon contract, so total supply comes from GeckoTerminal (total_supply, 100,000,000,000 aeon).

Config

Reads memory/holdings.json:

{
  "wallets": [
    {"address": "0x…", "label": "personal", "chain": "base"},
    {"address": "8mjM…", "label": "sol", "chain": "solana"}
  ],
  "tokens": [
    {"symbol": "aeon", "contract": "0xbf8e8f0e8866a7052f948c16508644347c57aba3", "chain": "base", "decimals": 18}
  ]
}

Read the full file on GitHub · 220 lines

Files

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.

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. 1mo ago First seen · 220 lines · 39 tokens per session scan A 43e8043360a4

Subscribe to this mod's changes

holdings is a skill published in the GitHub repository aaronjmars/aeon-agent (12 stars, last pushed 12d ago), licensed MIT. It adds 39 tokens to every session and 2,485 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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