MCP HeartbeatTHE MCP OBSERVATORY
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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 · Other

Nume calculators

Daily calories, BMI, protein and water for adults, each with its range and method.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
86 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
4

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked . Not enough checks yet
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?
312

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 86 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name nume-calculators.

  • Pass
    Lists tools

    tools/list returned 4 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 86 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 86 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

    24 of 24 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.

  • Fail
    Source repo linked

    No 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 2026-11-12T17:19:13.264321Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Nume calculators

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 nume-calculators https://nume.co.in/mcp

Capabilities

Tools 4

bmi_calculator

Body mass index from height and weight, its WHO adult category, and the weight range WHO calls normal for that height. Height (height_cm, or height_ft with height_in) and weight (weight_kg or weight_lb) are both required.

Discovered
calorie_calculator

Daily calories for an adult to maintain weight, lose body fat or build muscle. Works out maintenance from age, sex, height, weight and how active a normal day is, not counting exercise, then the daily target and its range for the goal. Returns kcal a day, the range and a link to the method. Height (height_cm, or height_ft with height_in) and weight (weight_kg or weight_lb) are also required.

Discovered
protein_calculator

Daily protein range in grams from body weight and whether the person exercises most weeks, and the amount at each eating time when the number of eating times a day is given. Weight (weight_kg or weight_lb) is also required.

Discovered
water_intake_calculator

Daily water intake for an adult woman or man from the European and US reference values, including pregnancy and breastfeeding, and how much of it usually comes from drinks. With weights before and after an exercise session, also how much to drink after it.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 90 days.
CheckedResultResponseTools
Connected86 ms4