Polystate
- Updated June 24, 2026
- Nomadic-Labs/claude-code-plugin
polystate is a Claude Code plugin marketplace entry that provides immigration, tax, visa, residency, and company-formation intelligence through Polystate MCP and offline JSON so AI agents can answer jurisdiction question
About
polystate is a Claude Code marketplace plugin that connects Polystate immigration and tax intelligence through MCP, with bundled offline JSON when no API key is set. It surfaces jurisdiction scoring, visa programs, residency options, and company-formation data to agents inside the editor. Reach for it when you are researching cross-border tax or relocation scenarios and want structured answers without leaving Claude Code.
- Polystate MCP with live HTTP transport and API key auth
- Offline JSON fallbacks when POLYSTATE_API_KEY is unset
- 171 jurisdiction crypto-tax rows and 100+ visa-program entries
- Company formation and residency catalogs for agent queries
Polystate by the numbers
- Data as of Jul 7, 2026 (Skillselion catalog sync)
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| Last updated | June 24, 2026 |
|---|---|
| Repository | Nomadic-Labs/claude-code-plugin ↗ |
How can an agent answer visa, tax, and company-formation questions with curated multi-jurisdiction data inside Claude Code?
Query Polystate immigration, tax, visa, residency, and company-formation intelligence from Claude via MCP or offline JSON.
Who is it for?
Developers using Claude Code who need Polystate live MCP data or offline JSON fallbacks for relocation research.
Skip if: Users seeking licensed legal or tax advice instead of informational agent lookups.
What you get
Agent responses grounded in Polystate MCP live data or bundled JSON catalogs for jurisdictions, visas, and formations.
Plugins in this marketplace
1 plugin - install individually after you add the marketplace.
Recommended Marketplaces
FAQ
Is an API key required?
Live MCP needs POLYSTATE_API_KEY; skills still work from bundled data/*.json without a key.
What topics does Polystate cover?
Immigration, tax, visa, residency, and company-formation intelligence per the marketplace manifest.
How is live data accessed?
HTTP MCP to the Polystate server with Bearer authorization configured in the plugin .mcp.json.