MCP, MCP server
Agentic Cal
Agentic email + calendar hub on Cloudflare Workers. One Worker owns your domain's email surface: a full self-hosted email client with an AI agent, plus a unified calendar that aggregates Proton / Outlook / iCloud into one busy/free model and writes time blocks back to all thr
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 3c902d8b3275, unchanged since the check below.
INSTALL_LIFECYCLE_HOOK
Why this grade
- INSTALL_LIFECYCLE_HOOK Medium
A package install hook (preinstall, install, postinstall or prepare) runs a script.
package.json, line 34
prepare
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Concern
runs a script at install time.
INSTALL_LIFECYCLE_HOOK
package.json, line 34
prepare
Network
Concern
can reach a host that is not written as a fixed address. can reach agents. The description does not name that host. can reach cal. The description does not name that host.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST
app/services/api.ts, line 34
const res = await fetch(url, {
workers/app.ts, line 94
return mcpHandler.fetch(c.req.raw, c.env, c.executionCtx as ExecutionContext);
workers/app.ts, line 97
return mcpHandler.fetch(c.req.raw, c.env, c.executionCtx as ExecutionContext);
Show more
workers/index.ts, line 415
ctx.waitUntil(agentStub.fetch(new Request("https://agents/onNewEmail", {
workers/calendar/calendarDO.ts, line 57
// Normalize webcal:// (iCloud public links) to https:// for fetch().
workers/calendar/poller.ts, line 71
const response = await fetch(feed.ics_url, { headers, redirect: "follow" });
workers/calendar/read-service.ts, line 5
// calls it Worker-to-Worker: `env.<binding>.fetch(new Request("https://cal/calendar/view?from=…&to=…"))`.
workers/calendar/read-service.ts, line 236
fetch(request: Request): Response | Promise<Response> {
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
.gitignore, line 6
*.tgz
.gitignore, line 7
.env
.gitignore, line 9
!.env.example
Show more
scripts/leakguard.mjs, line 71
const PLACEHOLDER = /(example\.(com|org|net)|\bexample\b|your[-_]|<[^>]+>|x{4,}|placeholder|changeme|change-me|redacted|dummy|sample|\bfoo\b|\bbar\b|\bbaz\b|noreply|process\.env|im
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Note
a file was over the read cap and was not fully read.
OBFUSCATION_FILE_OVER_READ_CAP
package-lock.json, line 1
{
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 3c902d8b3275. runs a script at install time. can reach a host that is not written as a fixed address. can reach agents. The description does not name that host. can reach cal. The description does not name that host. reads a credential or environment file. a file was over the read cap and was not fully read.
Date and source
Date checked:
github.com
Commit graded: 3c902d8b32755784a30588341b6f0c00b9115cb7
This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.