@Fonteum
Basic information
Hosted MCP server for source-provenanced US federal healthcare provider data — NPPES, CMS PECOS, Care Compare, OIG LEIE, Open Payments. Every field returns with its exact federal source, snapshot date, and SHA-256 attestation. Public data only; no PHI. Install: npx -y @fonteum/mc
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"fonteum": {
"command": "npx",
"args": [
"-y",
"@fonteum/mcp"
]
}
}
}Resolve available public records for an identifier. NPI (10-digit) can return the provider's NPPES record plus the available exclusion and program-integrity screen. UEI (12-char GSA Unique Entity ID) or CAGE can return available SAM.gov registration and exclusion records, USASpending awards, FAPIIS records, and FAR 4.18 ownership. Source, capture-date, and provenance fields are nullable and vary by source and result; returned facts have no deterministic link to a signature. Source records and deterministic summaries only — no risk score, label, or verdict. Read-only.
Search the available US healthcare record lookup by required vertical and state, with optional county context. The hosted result may include nullable source or observation metadata when supplied by the API; this is not a global or complete record search. For identifier lookups (NPI, UEI/CAGE, sanctioned-party name), use fonteum_resolve_entity or fonteum_check_exclusions_and_sanctions. Read-only.
Check one name or NPI against the exclusion, debarment, and sanctions sources Fonteum currently holds. Hits include issuing authority and a source or capture date when stored; date fields may be null. By NPI: OIG LEIE, SAM.gov / GSA exclusions, 13 state Medicaid lists, OIG Corporate Integrity Agreements, and CMS Civil Money Penalties. By name: the named OFAC, EU, and UK sanctions sources. Aggregate source records and a deterministic summary only; no risk score, label, or verdict. Re-confirm matches with the issuing authority. Read-only.
Return available federal-contractor records for a requested date — pass uei or cage plus as_of=YYYY-MM-DD. Retained history is currently limited to USASpending award rows; SAM.gov registration and exclusions, FAPIIS, and ownership fields may be current, absent, or nullable and are not universal replay. Provenance values are nullable and source-specific, and returned facts have no deterministic link to a signature. Source records and deterministic summaries only — no risk score or verdict. Read-only.
Inspect snapshot-attestation metadata and public verification endpoints. Without a snapshot id, returns the live Ed25519 attestation-chain head and public re-check endpoints. With a snapshot id, returns the identified snapshot's content commitment, hash version, row count when stored, version-specific instructions, and separately scoped witness evidence only when it validates. A signature covers only the identified snapshot object; ledger facts have no deterministic claim-to-signature link. Read-only.
List the generated source catalog exposed by this tool, with available authority, vertical, declared cadence, and official URL. The response separately reports the 111 active production source-registry rows observed July 12, 2026; active status and catalog presence do not establish loaded, fresh, or complete coverage. Read-only.
Return Fonteum methodology metadata, the nullable fourteen-field provenance schema, the generated catalog, and the separately observed 111 active production source-registry count. Fields vary by source and result; catalog presence is not loaded coverage. Read-only static data.
Fonteum Mcp Server is a hosted Model Context Protocol server for a source-provenanced US federal healthcare provider data graph. It joins 23 federal dataset families (NPPES, OIG LEIE, CMS PECOS, etc.) into one graph keyed on the National Provider Identifier (NPI), and returns every field with its upstream source, snapshot date, and license via a fourteen-field provenance contract.
Add the server via the Claude Code command claude mcp add --transport http fonteum https://mcp.fonteum.com/api/mcp or by adding a streamable-HTTP server entry to your client’s MCP config (e.g., for Claude Desktop, Cursor, Windsurf). An optional local stdio alternative is available as the npm package @fonteum/mcp. No authentication is required, but anonymous usage is rate-limited.
Fonteum reconciles 23 source families including NPPES, OIG LEIE, CMS PECOS, CMS Care Compare, CMS Open Payments, HRSA HPSA, and more, each with its authority, tier, refresh cadence, and official source URL.
No. Anonymous access is allowed but rate-limited to 30 requests per minute per IP
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