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Zerion Api
by
abishekdharshan
· GitHub ↗
· v0.1.0
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Install in OpenClaw
/install clawhub-zerion-api
Description
Access real-time crypto wallet portfolios, transactions, DeFi positions, token prices, NFTs, and gas fees across EVM chains and Solana via Zerion API.
README (SKILL.md)
Zerion API Skill
Query crypto wallet data using the Zerion API MCP server.
Overview
This skill provides access to Zerion's interpreted crypto wallet data through MCP tools. Supports EVM chains (Ethereum, Polygon, Arbitrum, Optimism, Base, BSC, and 50+ more) and Solana.
Note: API key required for authentication - get yours at https://developers.zerion.io
Available Data
| Data Type | Description |
|---|---|
| Portfolio | Total wallet value, breakdown by chain |
| Transactions | Full transaction history with parsed actions |
| PnL | Profit/loss calculations |
| Positions | DeFi positions, staking, lending |
| Token Prices | Real-time pricing and historical charts |
| NFTs | Collections and individual NFT data |
| Gas Prices | Current gas prices across chains |
Common Queries
Portfolio Analysis
Get the portfolio for wallet 0x1234...
Show total value and breakdown by chain for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
Transaction History
Show recent transactions for 0x1234...
Get transaction history for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 in the last 30 days
DeFi Positions
Show all DeFi positions for 0x1234...
What protocols is 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 using?
Token Analysis
Get current price of ETH
Show price chart for USDC over the last 7 days
Compare ETH price to SOL
NFT Data
Show NFT collections owned by 0x1234...
Get details for Bored Ape #1234
List all NFTs in wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
Gas Prices
What are current gas prices on Ethereum?
Compare gas prices across all EVM chains
Show Solana transaction fees
Tips
- Address Format: Use 0x addresses only (e.g., 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045)
- Multi-Chain: Supports EVM chains (Ethereum, Polygon, Arbitrum, Optimism, Base, BSC, etc.) and Solana
- Real-Time: All data is real-time from Zerion's indexed data
- Auth Required: API key needed - configure in MCP settings
Example Workflows
Customer Research
Analyze the portfolio composition of 0x1234...
What DeFi protocols are they using?
Show their transaction patterns over the last month
Calculate their PnL across all positions
Token Analysis
Get the current price of our governance token
Compare it to historical prices
Show top holders by wallet address
Competitive Analysis
What wallets are using Protocol X?
What's the average portfolio size?
What other protocols do they use?
Show cross-chain activity patterns
Multi-Chain Analysis
Compare wallet activity on Ethereum vs Solana
Show portfolio breakdown across all EVM chains
Which chains have the most DeFi activity?
MCP Server Details
URL: https://developers.zerion.io/mcp
Type: Remote HTTP MCP server
Auth: API key required (get at https://developers.zerion.io)
Docs: https://developers.zerion.io/reference/building-with-ai
Setup
- Get your API key at https://developers.zerion.io
- Add to your MCP configuration:
{ "zerion": { "url": "https://developers.zerion.io/mcp", "headers": { "Authorization": "Bearer YOUR_API_KEY" } } }
Related Resources
- API Docs: https://developers.zerion.io
- Zerion Dashboard: https://dashboard.zerion.io
- llms.txt: https://developers.zerion.io/llms.txt (for keeping AI tools current)
When to Use This Skill
Use this skill when:
- Researching wallet addresses (0x format)
- Analyzing DeFi positions and protocols
- Getting real-time token prices across chains
- Investigating transaction patterns
- Exploring NFT holdings
- Checking gas prices across EVM chains and Solana
- Validating customer or competitor data
- Calculating portfolio PnL
Usage Guidance
This skill looks like a straightforward connector to Zerion's MCP API, but the manifest fails to declare the required API key. Before installing, confirm: (1) where and how the API key is provided to the agent (manifest requires.env or MCP config), (2) that you will use a least-privilege/read-only key (not any private wallet keys), (3) that the endpoint is the official developers.zerion.io URL shown in the SKILL.md, and (4) how the agent stores and protects the key (avoid cleartext in public config). If the author cannot clarify how credentials are handled, treat the skill cautiously or request an updated manifest that lists the required credential and secure storage guidance.
Capability Analysis
Type: OpenClaw Skill
Name:
Developer:
Version:
Description: OpenClaw Agent Skill
The skill bundle is benign. It transparently describes its purpose of querying crypto wallet data via the Zerion API, requiring an API key for authentication. All external URLs (developers.zerion.io, dashboard.zerion.io) are legitimate Zerion domains. There is no evidence of data exfiltration, malicious execution, persistence, prompt injection beyond the stated purpose, or obfuscation. The `llms.txt` link is a standard resource for AI tools and is hosted on the legitimate Zerion domain.
Capability Assessment
Purpose & Capability
The SKILL.md clearly requires a Zerion API key to query wallet, price, and DeFi data, but the registry metadata lists no required environment variables or primary credential. The skill's stated purpose (calling Zerion MCP) is reasonable, but the required secret is not declared in the manifest, which is an incoherence the user should be aware of.
Instruction Scope
The runtime instructions are narrowly scoped to querying the remote Zerion MCP endpoint and give example queries and a JSON snippet for MCP config. They do not instruct the agent to read unrelated local files or exfiltrate arbitrary data. However, the instructions are vague about where the API key should be stored (registry-level requires.env is empty) and how secrets are protected.
Install Mechanism
This is an instruction-only skill with no install spec and no code files, so nothing is written to disk by an installer — the install surface is minimal and low-risk.
Credentials
Although the service legitimately needs an API key, the skill manifest does not declare any required env vars or a primary credential. That omission makes it unclear how the agent will obtain or store the API key; the lack of declared credential handling is disproportionate to the claimed functionality and increases risk.
Persistence & Privilege
The skill does not request always:true, does not declare config paths, and is user-invocable with normal autonomous invocation allowed. There is no evidence it attempts to modify other skills or request persistent system privileges.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install clawhub-zerion-api - After installation, invoke the skill by name or use
/clawhub-zerion-api - Provide required inputs per the skill's parameter spec and get structured output
Version History
v0.1.0
Initial release of Clawhub Zerion API skill.
- Query crypto wallet portfolios, transactions, DeFi positions, token prices, and NFTs across EVM chains and Solana via Zerion’s MCP server.
- Supports real-time data for portfolio analysis, transaction history, and position tracking.
- Includes queries for gas prices, cross-chain comparisons, and PnL calculations.
- Requires API key setup for authentication.
- Provides example prompts and workflows for customer research, token analysis, and competitive insights.
Metadata
Frequently Asked Questions
What is Zerion Api?
Access real-time crypto wallet portfolios, transactions, DeFi positions, token prices, NFTs, and gas fees across EVM chains and Solana via Zerion API. It is an AI Agent Skill for Claude Code / OpenClaw, with 1227 downloads so far.
How do I install Zerion Api?
Run "/install clawhub-zerion-api" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Zerion Api free?
Yes, Zerion Api is completely free (open-source). You can download, install and use it at no cost.
Which platforms does Zerion Api support?
Zerion Api is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Zerion Api?
It is built and maintained by abishekdharshan (@abishekdharshan); the current version is v0.1.0.
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