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Install in OpenClaw
/install nansen-prediction-markets
Description
Polymarket screeners — discover trending events, top markets by volume, and search for specific markets. Use when browsing what's happening on prediction mar...
Usage Guidance
This skill installs the 'nansen' CLI via the npm package 'nansen-cli' and will use your NANSEN_API_KEY to call Nansen's API when invoked. Before installing: (1) confirm the npm package and publisher are legitimate and review package version and npm page; (2) treat the NANSEN_API_KEY as sensitive—use a least-privilege key or scoped token if possible, and be ready to rotate/revoke it if needed; (3) avoid sending any secret or personally-identifying data in search queries since queries go to the external service; (4) consider running the install in a sandbox or restricted environment if you are uncertain; (5) monitor usage of the API key after enabling the skill. Overall the skill is internally consistent with its stated purpose but exercise standard caution around third-party npm packages and API keys.
Capability Analysis
Type: OpenClaw Skill
Name: nansen-prediction-markets
Version: 0.1.0
The skill bundle provides a legitimate interface for querying Polymarket prediction market data using the 'nansen-cli' tool. It defines standard CLI commands for market screening, searching, and category browsing, requiring only a NANSEN_API_KEY for operation. No indicators of data exfiltration, malicious execution, or prompt injection were found in SKILL.md or _meta.json.
Capability Assessment
Purpose & Capability
The skill is for running Nansen 'prediction-market' CLI commands. Requiring the 'nansen' binary and an API key named NANSEN_API_KEY is proportionate and expected.
Instruction Scope
SKILL.md only shows specific nansen CLI commands for listing/searching markets and categories. It does not instruct reading unrelated files or environment variables beyond the declared API key. Runtime behavior is limited to running the CLI and returning results.
Install Mechanism
Install uses a node package (nansen-cli) that creates the 'nansen' binary. This is a typical install path but carries the usual npm-installed-package risk: verify package provenance, publisher, and version before installing.
Credentials
Only a single credential (NANSEN_API_KEY, declared as primaryEnv) is required, which matches the need to authenticate to Nansen's API.
Persistence & Privilege
The skill is not always-enabled and does not request elevated persistence or modify other skills or system-wide settings. Autonomous invocation remains possible (platform default).
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install nansen-prediction-markets - After installation, invoke the skill by name or use
/nansen-prediction-markets - Provide required inputs per the skill's parameter spec and get structured output
Version History
v0.1.0
Initial release of prediction market screeners for Polymarket:
- Discover trending events and top markets by 24h volume on Polymarket.
- Search for specific markets by keyword or filter by status (open/closed).
- Browse events, individual markets, or explore by category.
- Multiple sorting options: volume (24h/1wk/1mo), liquidity, open interest, and trader count.
- All commands run via `nansen research pm <sub>`—no chain flag required.
Metadata
Frequently Asked Questions
What is Nansen Prediction Markets?
Polymarket screeners — discover trending events, top markets by volume, and search for specific markets. Use when browsing what's happening on prediction mar... It is an AI Agent Skill for Claude Code / OpenClaw, with 207 downloads so far.
How do I install Nansen Prediction Markets?
Run "/install nansen-prediction-markets" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Nansen Prediction Markets free?
Yes, Nansen Prediction Markets is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Nansen Prediction Markets support?
Nansen Prediction Markets is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Nansen Prediction Markets?
It is built and maintained by Nansen AI (@nansen-devops); the current version is v0.1.0.
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