NexHealth MCP server

Read and write NexHealth appointments, patients, providers and locations. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect NexHealthFree 50 tool calls / monthPro $9/mo · $90/yr · pricing20 tools

What can I ask?

Turn on the NexHealth connector, then ask in plain words. The AI picks the tools.

What you can do with NexHealth in Claude and ChatGPT

For practice managers and front-desk staff at medical and dental practices that use NexHealth for scheduling.

Find open appointment times across providers and locations

The AI lists bookable appointment start times for a date range across providers and locations. You can see where the next openings are.

List practice locations and their providers

The AI lists the locations of the institution with name and address, and the providers, optionally for one location. You get a clear overview of the practice.

Review appointment types and operatories

The AI lists the appointment types set up for a location and its operatories (chairs and rooms). You can check how the schedule is configured.

Check which insurance plans the practice knows

The AI lists the insurance plans known to the institution, optionally for one location. It helps when you prepare a list of accepted plans.

Check that the practice system sync is up to date

The AI reads the sync status for the EHR or practice management integration. It tells you whether the Synchronizer is up to date.

How do I connect NexHealth?

Before you connect

Patient data: Do not use this server with protected health information (PHI). We do not sign HIPAA Business Associate Agreements (BAAs). See Terms, Health data.

The login page asks for your NexHealth API key and NexHealth institution subdomain.

Create a key in NexHealth → Developer settings. The subdomain is your institution's NexHealth subdomain.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name NexHealth and this URL, then click Add:
    https://nexhealth.usefulapi.io/mcp
  3. Claude opens the login page: enter your NexHealth API key and NexHealth institution subdomain.
  4. In a chat, click + → Connectors and turn on NexHealth.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name NexHealth and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://nexhealth.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your NexHealth API key and NexHealth institution subdomain.
  4. In Plugins, install NexHealth, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http nexhealth https://nexhealth.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "nexhealth": {
      "url": "https://nexhealth.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "nexhealth": {
      "type": "http",
      "url": "https://nexhealth.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add nexhealth --url https://nexhealth.usefulapi.io/mcp
codex mcp login nexhealth

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://nexhealth.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your NexHealth API key and NexHealth institution subdomain. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro$9/mo · $90/yr10,000 tool calls / month
Pro+$39/mo · $390/yr100,000 tool calls / month

Each paid plan covers this NexHealth server only. Ask your AI to run nexhealth_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with nexhealth_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with nexhealth_upgrade before then undoes the cancel. Or write to [email protected].

Tools 20

Show all 20 tools (the AI picks them for you)

Read only · 13

  • List locationsnexhealth_list_locations
    List the practice locations for an institution (id, name, address). Good first call to discover location_ids for other tools.
  • List providersnexhealth_list_providers
    List practitioners (providers) for an institution, optionally scoped to a location.
  • Search patientsnexhealth_search_patients
    Search patients within a location by name, email, phone, or date of birth. Patient search is always in a location context.
  • Get patientnexhealth_get_patient
    Fetch a single patient by id.
  • List appointmentsnexhealth_list_appointments
    List appointments in a date/time window, optionally filtered by location, patient, or provider.
  • Get appointmentnexhealth_get_appointment
    Fetch a single appointment by id.
  • List appointment slotsnexhealth_list_appointment_slots
    Find bookable appointment start times across providers/locations for a date range. High-value for scheduling.
  • List appointment typesnexhealth_list_appointment_types
    List the appointment types configured for an institution/location.
  • List operatoriesnexhealth_list_operatories
    List operatories (chairs/rooms) for an institution, optionally scoped to a location.
  • List insurance plansnexhealth_list_insurance_plans
    List insurance plans known to the institution, optionally scoped to a location.
  • List insurance coveragesnexhealth_list_insurance_coverages
    List a patient's insurance coverages.
  • List proceduresnexhealth_list_procedures
    List clinical procedures, optionally scoped to a patient.
  • Sync statusnexhealth_sync_status
    Report the data-sync health for the practice's EHR/PMS integration (is the Synchronizer up to date?).

Changes data · 3

  • Create patientnexhealth_create_patient
    CREATE a new patient record in a location. MUTATES DATA — writes to the connected EHR/PMS. GET the patient back to confirm.
  • Book appointmentnexhealth_book_appointment
    BOOK a new appointment. MUTATES DATA — creates an appointment in the connected EHR/PMS (optionally notifying the patient). Provide either end_time or appointment_type_id.
  • Update appointmentnexhealth_update_appointment
    UPDATE / reschedule / cancel / confirm an existing appointment by id. MUTATES DATA in the connected EHR/PMS.

Your usefulapi plan · 4

  • Usage status (free-tier meter)nexhealth_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featurenexhealth_request_feature
    Tell usefulapi that the user needs something the NexHealth tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+nexhealth_upgrade
    Get a paid plan for NexHealth (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptionnexhealth_cancel_subscription
    Cancel the caller's NexHealth Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run nexhealth_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with NexHealth in Claude or ChatGPT?

Find open appointment times across providers and locations. List practice locations and their providers. Review appointment types and operatories. Check which insurance plans the practice knows. Check that the practice system sync is up to date. See what you can do for the details.

Is this an official NexHealth product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by NexHealth. The server calls the NexHealth API with your own NexHealth access, so it sees only the data that your account can see.

Can I use this server with patient data (PHI)?

No. Do not use this server with protected health information (PHI). We do not sign HIPAA Business Associate Agreements (BAAs). See Terms, Health data.

Can I connect NexHealth to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your NexHealth API key and NexHealth institution subdomain. See Before you connect for where to find them.

Do I put my NexHealth key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your NexHealth API key and NexHealth institution subdomain. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my NexHealth credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the NexHealth API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in NexHealth.

Can the AI change my NexHealth data?

Yes, if you approve it. 3 of the 16 NexHealth tools can create or change data. The other 13 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this NexHealth server only. Cancel any time: your paid plan then runs to the end of the paid period. Run nexhealth_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run nexhealth_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run nexhealth_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a NexHealth tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with nexhealth_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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