nansen-ai/nansen-web-fetcher
skills/nansen-web-fetcher/SKILL.md
Fetch and analyze content from one or more URLs using AI (Gemini 2.5 Flash). Use when you have specific URLs and need to extract or summarize their content. Pairs well with `nansen web search` results.
$ install --global
skillsauthnpx skillsauth add nansen-ai/nansen-cli nansen-web-fetcherInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 3, 2026, 10:06 AM7.4s1 file scanned
SKILL.md
- name:
- nansen-web-fetcher
- description:
- Fetch and analyze content from one or more URLs using AI (Gemini 2.5 Flash). Use when you have specific URLs and need to extract or summarize their content. Pairs well with `nansen web search` results.
- primaryEnv:
- NANSEN_API_KEY
- - kind:
- node
- package:
- nansen-cli
- bins:
- [nansen]
- allowed-tools:
- Bash(nansen:*)
Web Fetch
Fetch and analyze content from one or more URLs using Gemini 2.5 Flash with URL context.
nansen web fetch https://nansen.ai --question "What products does Nansen offer?"
nansen web fetch --url https://example.com --url https://other.com --question "Compare these two sites"
nansen web fetch https://docs.uniswap.org/contracts/v4/overview --question "What changed in v4?"
Positional args and --url flags can be combined — all become URLs to fetch.
| Flag | Values | Default | Purpose |
|------|--------|---------|---------|
| --url | URL | — | URL to fetch (repeatable for multiple URLs, up to 20) |
| --question | string | required | Question to answer about the URL content |
| --pretty | flag | off | Human-readable JSON |
Returns:
analysis— AI-generated answer to your questionretrieved_urls— URLs successfully fetchedfailed_urls— URLs that could not be retrieved
Tip: Combine with web search — search first to find relevant URLs, then fetch to get full content.
# Find and analyze in two steps
nansen web search "uniswap v4 launch" --num-results 3 --fields link
nansen web fetch https://blog.uniswap.org/... --question "What are the key changes?"
Note: 30s timeout. Paywalled or bot-blocked pages may appear in failed_urls.
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