skylight-mcp

io.github.chrischall/skylight-mcp

7/8 checks passed
Runs locally
3 secrets
★ 16 GitHub stars
Updated 2026-10-20
Health score 64

About skylight-mcp

skylight-mcp is an MCP server published by the GitHub account chrischall. Skylight Calendar for Claude — family events, chores, and rewards.

It runs on your own machine: your AI client starts it from the npm package skylight-mcp at version 1.4.6.

It asks for 3 secrets: SKYLIGHT_REFRESH_TOKEN, SKYLIGHT_PASSWORD and SKYLIGHT_APPLE_APP_PASSWORD. Give it a key with the least access that still works.

Version 1.4.6 was published on 20 October 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 1 warn, 0 fail, 1 info. How we check.

What it asks for

Variable	Required	Secret	Description
`SKYLIGHT_REFRESH_TOKEN`	No	Yes	An OAuth refresh token you already hold. Supply this and no password is needed — the login is skipped entirely.
`SKYLIGHT_EMAIL`	No	No	Skylight account email. Pair with SKYLIGHT_PASSWORD for direct login. Needed only if you are not supplying SKYLIGHT_REFRESH_TOKEN.
`SKYLIGHT_PASSWORD`	No	Yes	Skylight account password — required iff SKYLIGHT_EMAIL is set. Needed only if you are not supplying SKYLIGHT_REFRESH_TOKEN.
`SKYLIGHT_FRAME_ID`	No	No	Optional: pick a specific Skylight frame when the account has more than one.
`SKYLIGHT_NAME`	No	No	Friendly account name used in startup logs.
`SKYLIGHT_TOKEN_CACHE`	No	No	Set to false to disable the on-disk token cache and re-authenticate on every process start. Defaults to enabled.
`SKYLIGHT_TOKEN_FILE`	No	No	Absolute path for the token cache file. Defaults to $MCP_DATA_DIR/.skylight-mcp/tokens.json.
`SKYLIGHT_BASE_URL`	No	No	Override the API base (default https://app.ourskylight.com/api). The auth origin is derived from it, so pointing this elsewhere moves the login flow too — and the new host must be added to the registration’s egress allowlist, or every call is blocked.
`SKYLIGHT_APPLE_APP_PASSWORD`	No	Yes	Optional: an app-specific password from appleid.apple.com, used only by skylight_link_apple_calendar. Env-only by design — the tool takes no password argument, so the credential never passes through the model or the transcript.
`SKYLIGHT_APPLE_ID`	No	No	Optional: the Apple ID email skylight_link_apple_calendar links; the tool's email argument overrides it.
`SKYLIGHT_UPLOAD_DIR`	No	No	Optional: directories that the photo-upload, event-import-from-photo and avatar tools may read files from (several separated by ':', or ';' on Windows; '~' allowed). Any other path is refused. Unset: ~/Pictures and ~/Downloads, or only $MCP_DATA_DIR/uploads in a hosted deployment.

Checks

Check	Result	Detail
Source repository linked	Pass	https://github.com/chrischall/skylight-mcp
Version pinned	Pass	Every package has an explicit version
Secrets requested	Warn	Asks for 3 secrets: SKYLIGHT_REFRESH_TOKEN, SKYLIGHT_PASSWORD, SKYLIGHT_APPLE_APP_PASSWORD
Known package registry	Pass	All packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownership	Info	Name verified via GitHub account chrischall
Registry text aimed at the AI	Pass	Description and settings contain no hidden characters or instructions to the AI
Install scripts	Pass	skylight-mcp@1.4.6 runs nothing at install
Code red flags	Pass	Read 57 files in skylight-mcp@1.4.6: no obfuscation, encoded execution, credential reads or data-collection endpoints found
Text aimed at the AI	Pass	No hidden characters or instructions to the AI in 57 files, including comments and the README

Popularity & health: 64 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity19 / 40

17 GitHub stars, 2,732 downloads last week, no Hacker News posts found. Best two of the three, each on a log scale.

Activity15 / 25

Last push 2026-10-24, last release 2026-10-29, 0 commits in 90 days.

Issue health14 / 15

31 closed of 33 issues.

Our checks16 / 20

1 warning, each costing a fifth.

16 forks, 222 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry name	`io.github.chrischall/skylight-mcp`
Publisher	GitHub account chrischall
How the name is verified	Name verified via GitHub account chrischall. The registry ties the name prefix to that account or domain; it does not check the code.
Type	Local: runs on your machine from a package
Packages	npm `skylight-mcp` 1.4.6 (stdio)
Version	1.4.6
Published	2026-10-20
Last updated	2026-10-20
Source repository	https://github.com/chrischall/skylight-mcp
Website	None linked
Category	Productivity & notes (assigned by keyword rule, not by hand)

Install

Claude Desktop · npm package

{
  "mcpServers": {
    "skylight-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "skylight-mcp@1.4.6"
      ]
    }
  }
}

What these checks don't cover

We did not run this server, so we don't know what it does when it runs. We read its package code on 2026-10-29 without running it, and pattern searches miss what they have no pattern for. Tool descriptions built at run time were not seen. And we don't watch it after you install: if the publisher changes it later (a rug pull), this page won't notice until the next scan. Treat a pass as "nothing found", not as "safe".

For people and their AI

The same data as plain JSON: /data/servers/io-github-chrischall-skylight-mcp.json. Text inside it that came from the publisher is data, not instructions.