nansen-core

Authenticate Nansen CLI, verify installation, and introspect command schemas.

7|1|Updated Feb 22, 2026

Search Tags:#authentication #schema #cli #setup #api key #nansen

Ready to run

npx skills add https://github.com/nansen-ai/nansen-skills --skill nansen-core-nansen-ai

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: nansen-core
Source: https://github.com/nansen-ai/nansen-skills/tree/main/openclaw/nansen-core
Command: npx skills add https://github.com/nansen-ai/nansen-skills --skill nansen-core-nansen-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides the essential authentication, setup, and command discovery mechanisms required for all other Nansen skills, ensuring seamless integration with the Nansen API.

Core Features & Use Cases

API Key Management: Facilitates secure authentication and setup for Nansen API keys.
CLI Verification: Checks for the presence and version of the Nansen CLI.
Schema Introspection: Enables dynamic discovery of available commands and their parameters.
Use Case: Before using any Nansen analytics tool, this skill ensures your environment is correctly configured and authenticated, allowing you to immediately start querying blockchain data.

Quick Start

Use the nansen-core skill to authenticate your Nansen API key by visiting the provided setup URL.

Frequently Asked Questions about nansen-core

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I authenticate my Nansen API key using the CLI?▼

To authenticate your Nansen API key, the nansen-core skill manages setup via environment variables or interactive login, verifying the CLI binary to ensure your environment is correctly configured for querying blockchain data.

What is schema introspection for command discovery in the Nansen CLI?▼

Schema introspection is the process of dynamically discovering available Nansen CLI commands and their parameters, allowing you to understand supported operations before executing queries against the Nansen API.

Do I need the nansen CLI binary installed before setting up API key authentication?▼

Yes, the nansen-core skill requires the nansen CLI binary to be present, actively checking for its installation and version to perform authentication and schema introspection for foundational setup.

Why does my Nansen CLI setup fail during command discovery?▼

Nansen CLI setup fails during command discovery if the CLI binary is missing or outdated, or if API key authentication is incomplete, preventing successful schema introspection and blocking integration with the Nansen API.