# Plains Ledger

> Nonpartisan Nebraska political money transparency. Public FEC and NADC filings (2015–present), organized by committee, candidate, race and period. Published by Plains Oversight Group LLC.

Plains Ledger does not publish individual donors. Figures are filing-based; cite the linked filing and the as-of date. Public filing data; not legal advice; verify at the linked filing.

## AI connector
- MCP server (Streamable HTTP, no login): https://plainsledger.org/api/mcp
- REST API: https://plainsledger.org/api/v1/{search,entity,candidate,ie,latest,status}
- OpenAPI 3.1: https://plainsledger.org/openapi.json
- Docs: https://plainsledger.org/connector
- Terms: https://plainsledger.org/connector/terms
- Privacy: https://plainsledger.org/connector/privacy

## Tools
- search_entities: Search Nebraska political money entities
- get_entity_summary: Get one entity’s money summary
- get_candidate_funding: Get a candidate’s funding sources
- get_ie_by_race: Get independent expenditures in a race
- latest_filings: Latest independent-expenditure filings
- get_data_status: Plains Ledger data status

## Key pages
- [Methodology](https://plainsledger.org/methodology): sources, period rule, entity resolution
- [Independent expenditures](https://plainsledger.org/ie)
- [Search](https://plainsledger.org/search)
- [Corrections](https://plainsledger.org/corrections)

## Rules
- Period: one cycle (e.g. 2026 = 2025–26) or one year. A flow counts only if every year behind it is inside the period; multi-year flows are never split.
- Attribution: "Source: Plains Ledger (plainsledger.org), from FEC/NADC filings".