> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rcintell.com/llms.txt
> Use this file to discover all available pages before exploring further.

# MCP streamable HTTP endpoint

> Model Context Protocol transport over Streamable HTTP. Requires X-API-Key. Accepts JSON-RPC for initialize, tools/list, tools/call, prompts, and resources. Invalid Origin headers are rejected.



## OpenAPI

````yaml /docs/openapi.client.json post /v1/mcp
openapi: 3.1.0
info:
  description: >-
    Client API for RCIntel. Admin ingest, catalog sync, and internal audit
    routes are omitted. See Guides → Which API to use.
  summary: Multi-tenant knowledge API for healthcare revenue cycle management.
  title: Healthcare Knowledge Layer
  version: 0.1.0
servers: []
security: []
tags:
  - description: >-
      Geographic payer policy lookup (national NCD vs MAC LCD vs state). Query
      payer, code, state, plan_type. Each row includes geo_scope and
      document_version.
    name: policies
  - description: >-
      Payer network directory — search payers, check prior auth requirements,
      view filing rules, denial patterns, and appeal levels.
    name: payers
  - description: >-
      Resolve healthcare billing knowledge across the L1-L6 layer stack.
      Includes payment calculation, billing guidance, and per-layer queries.
    name: knowledge
  - description: >-
      CMS Fee Schedule lookups — OPPS (Addendum B / APC), DMEPOS (state-level
      pricing), and Clinical Lab Fee Schedule (CLFS).
    name: fee-schedules
  - description: >-
      NCCI (National Correct Coding Initiative) — dedicated MUE limits, PTP
      bundling edits, add-on code edits, and code pair validation.
    name: ncci
  - description: >-
      Service code intelligence — CPT/HCPCS lookup, RVU data, NCCI edits,
      payment calculation, implant/GUDID search, and service group
      classification.
    name: codes
  - description: >-
      Submit asynchronous AI agent jobs for code research, medical necessity,
      and denial resolution. Poll for results and retrieve reasoning traces.
    name: agents
  - description: >-
      Register and manage healthcare facilities by CCN (Medicare Provider
      Number). Each facility is the root entity for knowledge resolution.
    name: facilities
  - description: >-
      NPI Registry — live search against CMS NPPES API for provider and
      organization National Provider Identifiers.
    name: npi
  - description: >-
      OpenFDA drug product lookup by NDC. Includes product-level fields with
      normalized ingredient and package detail.
    name: drugs
  - description: Health checks, service metadata, and Prometheus metrics.
    name: system
paths:
  /v1/mcp:
    post:
      tags:
        - mcp
      summary: MCP streamable HTTP endpoint
      description: >-
        Model Context Protocol transport over Streamable HTTP. Requires
        X-API-Key. Accepts JSON-RPC for initialize, tools/list, tools/call,
        prompts, and resources. Invalid Origin headers are rejected.
      operationId: mcp_endpoint_v1_mcp_post
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
      security:
        - APIKeyHeader: []
components:
  securitySchemes:
    APIKeyHeader:
      in: header
      name: X-API-Key
      type: apiKey

````