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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

Nookal MCP by usefulapi

Read Nookal locations, practitioners, availability, appointments, clients, cases and invoices.

Checks passed
14 / 22

0 failed · 8 not measured

Median response
57 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
11

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 57 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name nookal-mcp.

  • Pass
    Lists tools

    tools/list returned 11 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 57 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 57 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    72 of 72 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-10T23:33:48.336218Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Nookal MCP by usefulapi

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

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

Capabilities

Tools 11

nookal_get_availability

Get the free appointment slots per date between two dates (max 60 days, Nookal's limit), optionally for given locations, practitioners and a service. Each slot has its date, start time (24h, clinic local time), provider id and location id. Read-only: it does not book anything. Nookal GraphQL: availabilities.

Discovered
nookal_get_client

Get one client (patient) by id: name, date of birth, contact details, addresses, alerts, allergies, notes, occupation, referring doctor and their treatment cases; optionally a summary of their invoices (totals and balances). Health-fund, pension and online-booking codes are not returned. Nookal GraphQL: clients.

Discovered
nookal_list_appointments

List appointments (date, start/end time, status, type, client, practitioner, case, location, arrived / did-not-arrive flags, notes), filtered by date range, location, client, practitioner, type and status. Dates are clinic local. Nookal GraphQL: appointments.

Discovered
nookal_list_cases

List treatment cases (id, client, title, start and referral dates, referrer, primary practitioner, notes), filtered by client, case or practitioner. Nookal GraphQL: cases.

Discovered
nookal_list_classes

List the class types offered (id, name, category, duration, price, location, online-booking settings) — the class definitions, not individual sessions. Nookal GraphQL: classes.

Discovered
nookal_list_invoices

List invoices with their line items and payments (number, client, case, location, practitioner, date, subtotal, tax, total, paid, balance), filtered by location, invoice id or creation date. For one client's invoices use get_client with include_invoices. Nookal GraphQL: invoices.

Discovered
nookal_list_locations

List the clinic's locations (id, name, address, time zone, active). Location ids are needed by most other tools. Only the locations your API client was granted are returned. Nookal GraphQL: locations.

Discovered
nookal_list_payments

List payments received against invoices (method, amount, date, reference, invoice, client, location), filtered by invoice or payment date. Nookal GraphQL: payments.

Discovered
nookal_list_services

List the appointment types / services offered (id, name, category, duration in minutes, price, location, online-booking settings). Use a service id in get_availability. Nookal GraphQL: services.

Discovered
nookal_list_staff

List staff members and practitioners (id, name, title, speciality, email, location ids, whether they are a provider / bookable online / active). Use the staff ids as provider_ids in list_appointments and staff_ids in get_availability. Nookal GraphQL: staff.

Discovered
nookal_search_clients

Find clients (patients) by name, date of birth, mobile, email or id. Returns id, name, date of birth, location, active/deceased flags and contact details. With partial_match, names match on their first letters (e.g. 'Sm' finds Smith). Nookal GraphQL: clients.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected57 ms11