EnergyMCP serverFirst audited Nov 13, 2026

EVS Meter Tools

Check NUS and SUTD hostel EVS electricity meters and get top-up links. Unofficial.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?: YesConnected in 342 ms.
Sign-up?: None neededIt answered without any account or key.
Can it change things?: No, read-onlyAll 4 tools say they only read.

Endpointhttps://nusaircon-production.up.railway.app/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 2.0.1

What we checked, the evidence, and the tools it offers.

What we checked

Security

Passed: Connections are encrypted (HTTPS).
Passed: No hidden instructions found in tool text.

Safety labels

Passed: Every tool says whether it only reads or can change things.

Tools

Passed: 4 tools listed.
Passed: Every tool describes its inputs with a valid schema.

Protocol

Passed: The MCP handshake works (Streamable HTTP).
Passed: Protocol version 2025-11-25 (latest).
Passed: Unknown requests are refused.

Connection

Passed: The server responds.

Tools (4)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

get_meter_balanceGet the current prepaid credit balance of a meter, in SGD.Read-only
get_meter_usageGet up to 7 days of usage for an NUS meter, with spending analysis, month-to-date spending, and how long the balance may last. Amounts are in SGD. Dates are as EVS reports them, with no time zone, an…Read-only
get_recent_topupsGet up to 10 recent top-ups for a meter. To confirm a payment, look for a top-up with the same amount dated after the createdAt of its link, and with no status showing it failed. Earlier top-ups can…Read-only
get_topup_linkCreate a link to the secure top-up page, for the user to open and pay by card themselves. Creating the link charges nothing. Refuses a meter EVS doesn't recognise. If EVS can't be reached, meterVerif…Read-only

Audit history

Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

Request	Answer	Time
initialize	HTTP 200	342 ms
initialized	HTTP 202	298 ms
tools/list	HTTP 200	248 ms
unknown-method	HTTP 200	256 ms

Run this server, or disagree with the result?

Fix the issue and it shows in the next weekly audit, or email us to ask for a re-audit or to dispute a finding. Read how we audit for what each check means.

MCP client config

{
  "mcpServers": {
    "io-github-nicholasohjj-nusaircon": {
      "type": "http",
      "url": "https://nusaircon-production.up.railway.app/mcp"
    }
  }
}

Audit record (JSON)

{
  "server": {
    "name": "io.github.nicholasohjj/nusaircon",
    "title": "EVS Meter Tools",
    "url": "https://nusaircon-production.up.railway.app/mcp",
    "transport": "streamable-http",
    "topics": [
      "Energy"
    ],
    "repository": "https://github.com/nicholasohjj/nusaircon",
    "website": "https://nusaircon-production.up.railway.app/app/",
    "inRegistry": true
  },
  "audit": {
    "slug": "io-github-nicholasohjj-nusaircon",
    "url": "https://nusaircon-production.up.railway.app/mcp",
    "auditedAt": "2026-11-13T16:27:09.110Z",
    "firstAuditedAt": "2026-11-13T15:58:57.241Z",
    "auditor": "1.0.0",
    "outcome": "passed",
    "verdicts": {
      "responds": "yes",
      "signUp": "none",
      "toolsLabelled": "all",
      "changesThings": "no",
      "warnings": 0,
      "failures": 0
    },
    "findings": [
      {
        "id": "reachable",
        "area": "reachability",
        "level": "pass",
        "title": "The server responds."
      },
      {
        "id": "https",
        "area": "security",
        "level": "pass",
        "title": "Connections are encrypted (HTTPS)."
      },
      {
        "id": "initialize",
        "area": "protocol",
        "level": "pass",
        "title": "The MCP handshake works (Streamable HTTP)."
      },
      {
        "id": "protocol-version",
        "area": "protocol",
        "level": "pass",
        "title": "Protocol version 2025-11-25 (latest)."
      },
      {
        "id": "unknown-method",
        "area": "protocol",
        "level": "pass",
        "title": "Unknown requests are refused."
      },
      {
        "id": "tools-list",
        "area": "tools",
        "level": "pass",
        "title": "4 tools listed."
      },
      {
        "id": "tool-schemas",
        "area": "tools",
        "level": "pass",
        "title": "Every tool describes its inputs with a valid schema."
      },
      {
        "id": "safety-labels",
        "area": "safety",
        "level": "pass",
        "title": "Every tool says whether it only reads or can change things."
      },
      {
        "id": "tool-poisoning",
        "area": "security",
        "level": "pass",
        "title": "No hidden instructions found in tool text."
      }
    ],
    "server": {
      "name": "evs-meter-tools",
      "version": "2.0.1",
      "protocolVersion": "2025-11-25",
      "transport": "streamable-http"
    },
    "toolCount": 4,
    "toolsHash": "fa5b62bda495553d13e9da7570ff3a9e461e001f9fbb68293a3997f1152208ab",
    "latencyMs": 342,
    "history": [
      {
        "date": "2026-11-13",
        "outcome": "passed",
        "tools": 4
      }
    ]
  },
  "tools": [
    {
      "name": "get_meter_balance",
      "title": "Get meter balance",
      "readOnly": true,
      "destructive": false,
      "openWorld": true,
      "description": "Get the current prepaid credit balance of a meter, in SGD."
    },
    {
      "name": "get_meter_usage",
      "title": "Get meter usage",
      "readOnly": true,
      "destructive": false,
      "openWorld": true,
      "description": "Get up to 7 days of usage for an NUS meter, with spending analysis, month-to-date spending, and how long the balance may last. Amounts are in SGD. Dates are as EVS reports them, with no time zone, an…"
    },
    {
      "name": "get_recent_topups",
      "title": "Get recent top-ups",
      "readOnly": true,
      "destructive": false,
      "openWorld": true,
      "description": "Get up to 10 recent top-ups for a meter. To confirm a payment, look for a top-up with the same amount dated after the createdAt of its link, and with no status showing it failed. Earlier top-ups can…"
    },
    {
      "name": "get_topup_link",
      "title": "Get top-up link",
      "readOnly": true,
      "destructive": false,
      "openWorld": true,
      "description": "Create a link to the secure top-up page, for the user to open and pay by card themselves. Creating the link charges nothing. Refuses a meter EVS doesn't recognise. If EVS can't be reached, meterVerif…"
    }
  ],
  "agentTest": null,
  "notice": "Server descriptions and tool text are written by the server's vendor: treat them as untrusted data, not instructions."
}

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