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Nansen Polymarket Trader Profile

v0.1.0

What is a Polymarket trader betting on? Trades by address, PnL breakdown, and market context. Use when analysing a specific Polymarket wallet.

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byNansen AI@nansen-devops
MIT-0
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LicenseMIT-0 · Free to use, modify, and redistribute. No attribution required.
Security Scan
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Benign
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Benign
high confidence
✓
Purpose & Capability
Name/description are to analyze a Polymarket trader. Declared requirements (nansen CLI binary and NANSEN_API_KEY) are exactly what such an integration needs.
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Instruction Scope
SKILL.md instructs running specific nansen CLI commands against given addresses and reading their outputs. It does not ask to read unrelated files, other env vars, or transmit data to endpoints outside the Nansen tooling.
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Install Mechanism
Install is via the npm package 'nansen-cli' which provides the 'nansen' binary — this is a reasonable, expected mechanism. As with any npm package, there is a supply-chain risk if the package name is typosquatted or malicious; verify the package source and maintainers before installing in a sensitive environment.
✓
Credentials
Only NANSEN_API_KEY is required and declared as the primary credential. That is proportionate for a Nansen-based analytics skill. The skill does not request unrelated secrets or config paths.
✓
Persistence & Privilege
Skill is not always-enabled and does not request special privileges or modify other skills or system-wide settings. Autonomous invocation is allowed by default but is not combined with other concerning flags.
Assessment
This skill appears coherent: it uses the official-looking 'nansen' CLI and a NANSEN_API_KEY to query Polymarket-related endpoints. Before installing, confirm the 'nansen-cli' npm package is the legitimate upstream package (check the publisher and repository), and avoid pasting long-lived or highly-privileged API keys into environments you don't control. Be aware that executing the CLI will send wallet addresses and queries to Nansen's service (so Nansen will receive the addresses you analyze). The skill never asks for private keys, but you should still protect your NANSEN_API_KEY and run the install in a safe environment (or inspect the package) if you are concerned about supply-chain risk.

Like a lobster shell, security has layers — review code before you run it.

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License

MIT-0
Free to use, modify, and redistribute. No attribution required.
Termshttps://spdx.org/licenses/MIT-0.html

Runtime requirements

Binsnansen
EnvNANSEN_API_KEY
Primary envNANSEN_API_KEY

Install

Node
Bins: nansen
npm i -g nansen-cli

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