# Janover (opportunityzones.help)

Checks US addresses against the 2018 and 2027 opportunity zone maps and runs deferral, step-up and exclusion tax calculations.

- Atlas card: https://inite.ai/en/atlas/opportunityzones.help
- Site: https://opportunityzones.help
- For: investors with capital gains, developers building in zones, CPAs and advisors working on opportunity zone deals
- Use not measured/100 · alive 100/100

## Used for

- check whether an address sits in an opportunity zone
- estimate the deferred gain tax due December 31, 2026
- model deferral, step-up and exclusion against paying tax now

## Price

Not read yet.

## For developers

- OpenAPI: https://opportunityzones.help/openapi.json (13 paths)
- MCP server: help.opportunityzones.www/opportunityzones-help (namespace; open on 2026-11-02, 13 tools)
- Read 2026-11-02

## MCP server, measured daily

Server: https://www.opportunityzones.help/api/oz/mcp, checked every day since 2026-11-02 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 256 ms
- Sign-in: none
- Context its tool definitions take: about 1604 tokens (13 tools)
- Tool definitions: A, 90/100
- Failing "params_described": 8 of 13 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-11-02

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Source: INITE Atlas, https://inite.ai/en/atlas/opportunityzones.help. JSON: https://inite.ai/api/atlas/opportunityzones.help. MCP: https://inite.ai/api/mcp (atlas_lookup).