# Harper OIG Exclusion Aggregator > Free public search over US healthcare exclusion lists – the federal HHS OIG > LEIE and state Medicaid exclusion lists – with an honest, published record of > which jurisdictions are and are not covered. All results are potential name matches, not confirmed identities. The source files contain no Social Security Numbers. Absence of a match is not a clearance. ## API - [API reference](https://oig.tryharper.app/api): plain-text description of the URL scheme - [Search](https://oig.tryharper.app/api/search.txt?name=john+smith): add .txt to any endpoint - [Coverage ledger](https://oig.tryharper.app/api/coverage.txt): every jurisdiction and its status - [Recent additions](https://oig.tryharper.app/api/recent.txt): records newly added to this corpus (an ingest date, not an exclusion date) - [OpenAPI](https://oig.tryharper.app/openapi.json) - [MCP endpoint](https://oig.tryharper.app/mcp) - [MCP setup guide](https://oig.tryharper.app/connect) ## Pages - [Methodology and sources](https://oig.tryharper.app/methodology) - [Corrections](https://oig.tryharper.app/corrections)