MCP, MCP server
koralpaper
Draw your thinking. A free, offline sketch studio where Claude draws with you: hand-drawn diagrams, sticky-note boards, LinkedIn carousels, charts from pasted data, and stop-motion time-lapse animations.
Compatibility: Not stated.
Grade C
One Medium finding. Read the report before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
OBFUSCATION_MINIFIED_PAYLOAD
Why this grade
- OBFUSCATION_MINIFIED_PAYLOAD Medium
Contains a very long line with almost no spaces in a script or style file.
docs/shots/08-present.webm, line 1
Eߣ�B��B��B�B�B��webmB��B��S�g
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
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address. can reach fonts.gstatic.com. The description does not name that host.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST
sw.js, line 38
fetch(e.request).then(res => {
mcp/server.js, line 177
const req = http.request({
js/app.js, line 3580
return fetch(`https://fonts.gstatic.com/s/i/short-term/release/materialsymbolsoutlined/${name}/default/24px.svg`)
Show more
js/app.js, line 8945
const s = await fetch(CLAUDE_BRIDGE + '/status');
js/app.js, line 8948
const r = await fetch(CLAUDE_BRIDGE + '/poll', { headers: { 'X-Koralpaper': '1' } });
js/app.js, line 8955
await fetch(CLAUDE_BRIDGE + '/result', {
Secrets
Pass
No read of a credential file or secret environment variable found.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Concern
contains a minified payload.
OBFUSCATION_MINIFIED_PAYLOAD
docs/shots/08-present.webm, line 1
Eߣ�B��B��B�B�B��webmB��B��S�g
js/app.js, line 1
/* KoralPaper - app layer: input, selection, snapping, history, UI. */
js/material-icons.js, line 2
const MATERIAL_ICONS = "search|browse,circle,discover,discover icon,explore,explore icon,filter,find,find icon,glass,handle,inspect\nhome|abode,address,app,application--house,archi
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 53799d3b652e. can reach a host that is not written as a fixed address. can reach fonts.gstatic.com. The description does not name that host. contains a minified payload.
Date and source
Date checked:
github.com
Commit graded: 53799d3b652e07ba3e6f477987f97cfa0ff6900e
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.