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io.github.DavidFuchs/mcp-uptime-kuma MCP Server

A Model Context Protocol (MCP) server for Uptime Kuma version 2.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled io.github.DavidFuchs/mcp-uptime-kuma yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as @davidfuchs/mcp-uptime-kuma on npm. Runs locally.

Known issues

22 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

Most discussed

DX: misspelled monitorId reports "expected number, received nan" for monitorID; and listMonitors has no way to filter by parent

Two small usability items, both about a caller being unable to tell that an argument didn't land.

1. z.coerce.number() turns a misspelled param into a confusing NaN error

getMonitor and getHeartbeats take monitorID. Passing the very natural monitorId (lowercase d) gives:

MCP error -32602: Input validation error: Invalid arguments for tool getMonitor: [
  { "code": "invalid_type", "expected": "number", "received": "nan",
    "path": ["monitorID"], "message": "Expected number, 

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/65) · 2026-07-26 · closed · outside contributor · 1 comment

### [Feature Request] Add Authentication to MCP

Right now `mcp-uptime-kuma` has no protection itself.

Please allow to specify a `token` as environment variable.

When the token is set it must be passed as Bearer token on any request, if it's incorrect it should return 401.

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/62) · 2026-07-26 · closed · external user · 2 comments

### listNotifications returns notification credentials in plaintext (SMTP passwords, ntfy passwords, tokens)

## Summary

`listNotifications` returns each channel's full `config` blob verbatim, including its secrets. For an SMTP channel that means `smtpUsername` and `smtpPassword`; for ntfy, `ntfypassword`; and by inspection the same applies to any type storing a token or webhook URL.

This isn't a Kuma bug — Kuma's socket API returns the config as-is, and the web UI masks it at render time. It matters more here because an MCP server's output lands in an LLM's context window and is persisted in client-s

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/59) · 2026-07-22 · closed · outside contributor · 2 comments

### createMonitor / updateMonitor silently drop `description` — field missing from inputSchema

## Summary

`createMonitor` and `updateMonitor` accept a `description` argument without complaint and return
success, but the value is never written. `getMonitor` returns `description: null` afterwards and the
Kuma database column stays `NULL`.

Same class as the already-fixed #41 (tags), #42 (docker_container / docker_host) and #50
(dns_resolve_server / dns_resolve_type): the field simply isn't declared in the tool's `inputSchema`,
so the MCP SDK strips it before it reaches the Kuma client.

Ve

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/58) · 2026-07-22 · closed · external user · 2 comments

### Error converting schema Invalid schema (in Home Assistant to Komodo MCP docker instance)

In my Home Assistant, I see this error now (this has worked previously, so a recent update broke it)

Failed setup, will retry: Error converting schema Invalid schema, missing type: {'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'Human-readable name for this notification channel'}, 'type': {'type': 'string', 'description': 'Notification type (e.g. slack, ntfy, discord, telegram, webhook, smtp)'}, 'isDefault': {'type': 'boolean', 'description': 'Enable by default

Read the thread · 2026-07-15 · open · external user · 3 comments

Most recent

outputSchema declares JSON Schema draft-07 — every tool call fails in Claude Desktop (2020-12-only validator)

Summary

Every tool exposed by this server is unusable in Claude Desktop (and any other MCP client whose structured-output validator is Ajv 2020-12 only). Each tools/call is rejected client-side, before it reaches the server, because the outputSchema declares the draft-07 dialect.

Client error message (verbatim, identical for all 31 tools):

Tool 'uptime-kuma-getmonitorsummary' has an invalid outputSchema:
JSON Schema declares an unsupported dialect ("$schema": "http://json-schem

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/83) · 2026-08-14 · closed · external user · 1 comment

### --build-arg VERSION has no effect on the built image

`docker build --build-arg VERSION=x.y.z` does not reach the final
image. `ARG`/`LABEL` are declared only in the builder stage, and
`src/version.ts` keeps its `0.0.0-dev` placeholder ("replaced by
CI/CD"), so the running server reports `0.0.0-dev` regardless of what
was passed in.

Effect: a locally built image cannot report which version it was built
from — the tag is the only carrier. Not a problem for images published
by CI, but it makes the documented build argument misleading for
anyone buil

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/68) · 2026-07-29 · closed · outside contributor · 1 comment

### Preferred channel for a private security report?

Hi — thanks for maintaining this server. We run it in production (behind a read-only gate), and I sent #48 a while back.

While auditing our deployment I ran into a security-relevant issue that I'd rather not describe in a public issue: a useful description would double as a reproduction guide, and it affects every deployment rather than just our setup.

There's no SECURITY.md here and private vulnerability reporting appears to be turned off, so there's no obvious private channel. Would you cons

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/66) · 2026-07-29 · closed · outside contributor · 1 comment

### "Not authenticated with Uptime Kuma" is permanent for the process — isAuthenticated is a write-once latch, stdio serves tools before auth completes, and no socket call has a timeout

## Summary

A server that fails or stalls its one startup authentication stays alive, keeps advertising all
34 tools, and answers every one of them with
`MCP error -32603: Not authenticated with Uptime Kuma` — for the rest of the process's life.
There is no in-band recovery; the only fix is for the user to restart their MCP client.

Three separate design details combine to produce this:

**1. `isAuthenticated` is write-once.** `dist/server.js:61` declares `let isAuthenticated = false`;
it is set

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/64) · 2026-07-26 · closed · outside contributor · 0 comments

### updateMonitor cannot re-parent — `parent` missing from its inputSchema, call reports "Saved." while silently discarding it

## Summary

`createMonitor` accepts `parent`; **`updateMonitor` does not declare it**. Because the MCP SDK
strips undeclared fields, `updateMonitor { monitorID, parent }` returns
`{ok: true, monitorID, msg: "Saved."}` while the monitor stays in its original group.

Same class as #58 (`description`) and #60 (`json-query` / `push_token`), but with a sharper edge:
the other two leave a monitor *impoverished*, while this one makes a **successful-looking call a
no-op on an operation that has no other

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/63) · 2026-07-26 · closed · outside contributor · 0 comments

### getMonitorSummary returns stale status/msg for push-type monitors

## Summary

`getMonitorSummary` returns a stale `status`/`msg` for **push-type monitors** — it appears to reflect an old heartbeat (in one case, the very first heartbeat ever recorded for that monitor) rather than the most recent one. Direct SQLite queries against the Kuma database show the monitors are actually `status=1` (OK, up-to-date) at the time `getMonitorSummary` reports them as DOWN/PENDING.

## Environment

- Package: `@davidfuchs/mcp-uptime-kuma` v0.10.0
- Uptime Kuma server: self-hos

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/61) · 2026-07-24 · open · external user · 0 comments

### createMonitor / updateMonitor missing json-query fields (json_path, json_path_operator, expected_value) and push_token

## Summary

Two monitor types can be created but not *configured*, in the same class as #41 (tags), #42 (docker), #50 (dns) and #58 (description) — the fields aren't declared in the tool `inputSchema`, so they're stripped before reaching the Kuma client.

**`json-query`** — no `json_path`, `json_path_operator`, or `expected_value`. A `json-query` monitor created through the MCP has no query to run. Since both schemas set `additionalProperties: false`, passing the fields anyway is silently discar

[Read the thread](https://github.com/DavidFuchs/mcp-uptime-kuma/issues/60) · 2026-07-22 · closed · outside contributor · 0 comments

[See all 19 reports Pod holds for io.github.DavidFuchs/mcp-uptime-kuma](/mcp/io-github-davidfuchs-mcp-uptime-kuma/issues) — of 22 qualified upstream.

## Firsthand observations

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