A command-line tool and API for working with cryptocurrency wallets on EVM networks and Solana. It covers wallet data, transactions, signing, and wallet management.

Use it to inspect portfolios, positions, transaction history, and profit or loss; swap or bridge tokens; send assets; sign messages; and create, import, or back up wallets.

It gives an agent one interface for checking wallet activity and carrying out supported blockchain operations. This avoids handling separate tools for portfolio data, swaps, transfers, and signatures.

zerion — Skill for Claude Code and Codex by zeriontech: A command-line tool and API for working with cryptocurrency…

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.

agentmods

npx agentmods add skills/zeriontech/zerion-ai/zerion

Any agent

npx skills add zeriontech/zerion-ai --skill zerion

Clone the repo

git clone --depth 1 https://github.com/zeriontech/zerion-ai

Made for: Claude Code, Codex.

Or install zerion-ai, the plugin that ships this one along with the rest of its 1 skill.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/zeriontech/zerion-ai/zerion.svg)](https://agentmods.dev/skills/zeriontech/zerion-ai/zerion)

Your own site

<a href="https://agentmods.dev/skills/zeriontech/zerion-ai/zerion"><img src="https://agentmods.dev/badge/skills/zeriontech/zerion-ai/zerion.svg" alt="Measured on agentmods" height="20"></a>

Per session 141 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,317 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

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.

Model	Per session	Once invoked
Fable 5	$0.00141	$0.03317
Opus 5	$0.00071	$0.01658
Sonnet 5	$0.00028	$0.00663
Haiku 4.5	$0.00014	$0.00332

Measured 3d ago against content hash 1a01c3281903, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

zerion 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 3d 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.

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/zerion/SKILL.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Zerion

Unified API + CLI for crypto wallets across 14 EVM chains and Solana. The zerion binary ships from npm; this skill is the entry point for all Zerion capabilities. Capability and partner docs live in nested files and are loaded on demand.

Setup

Skills shell out to the zerion binary. Don't pre-install — try the command first. If a zerion invocation fails with command not found, install once:

npm install -g zerion-cli

Requires Node.js ≥ 20. The npm package is zerion-cli; the installed binary is zerion.

Authentication

Three modes. Pick one for analytics; trading always uses an API key.

A) API key (recommended)

export ZERION_API_KEY="zk_dev_..."

Get yours at dashboard.zerion.io. Dev keys begin with zk_dev_. Limits: 120 req/min, 5K req/day.

B) x402 pay-per-call (no signup, analytics only)

Pays $0.01 USDC per request via the x402 protocol. EVM (Base) or Solana.

export WALLET_PRIVATE_KEY="0x..."     # EVM (Base) — 0x-prefixed hex
export WALLET_PRIVATE_KEY="5C1y..."   # Solana — base58 keypair
zerion portfolio <address> --x402

# Or enable globally
export ZERION_X402=true

Both chains at once:

export EVM_PRIVATE_KEY="0x..."
export SOLANA_PRIVATE_KEY="5C1y..."
export ZERION_X402_PREFER_SOLANA=true   # optional

C) MPP pay-per-call (analytics only, EVM Tempo)

Pays $0.01 USDC per request via MPP on Tempo.

export TEMPO_PRIVATE_KEY="0x..."      # or reuse WALLET_PRIVATE_KEY
zerion portfolio <address> --mpp

# Or enable globally
export ZERION_MPP=true

Trading commands (swap, bridge, send) always use the API key + an agent token, regardless of ZERION_X402 / ZERION_MPP.

Capabilities — load on demand

Before executing any capability below, Read the matching file for the full command surface, flags, edge cases, and examples.

Task	Read
Wallet analysis: portfolio, positions, history, PnL, watchlist	`capabilities/analyze.md`
On-chain trading: swap, bridge, send	`capabilities/trading.md`
Human review in the browser: read-only wallets, review thresholds, `--review`	`capabilities/trading.md` § "Signing routes & web-app handoff"
Bundle several actions into one signing session / one review (`--prepare` + `bundle`)	`capabilities/bundle.md`
Off-chain signing: EIP-191 messages, EIP-712 typed data	`capabilities/sign.md`
Wallet management: create, import, add read-only, list, fund, review threshold, backup, export-key, delete	`capabilities/wallet.md`
Agent tokens + security policies for autonomous trading	`capabilities/agent-management.md`
0x Swap API v2 (direct integration, Permit2/AllowanceHolder, gasless)	`capabilities/swap-0x.md`

Read the full file on GitHub · 212 lines

Files

What ships with it

33 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.

3d ago First seen · 212 lines · 141 tokens per session scan A 1a01c3281903

Subscribe to this mod's changes

zerion is a skill published in the GitHub repository zeriontech/zerion-ai (59 stars, last pushed 6d ago), licensed MIT. It adds 141 tokens to every session and 3,317 once invoked, about $0.0007 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.

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