twombly@0.5.1
VERIFIED· install onlyPublisher claims: "A canvas for your coding agent's design explorations. Each version becomes a live frame; share one link for cursors, comments and huddles." Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Coverage
Nothing executable in the bundle ran; the trace covers the install step only.- Tested
- every file read, file written and host contacted by what ran
- Not tested
- use of the skill by an agent
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-12 and scored it 91/100 (Verified). In what ran, nothing we could detect went wrong: no undeclared network egress, no credential reads, no persistent instruction writes. What it does with a real credential was not observed; the static findings and the publisher carry the rest of the score. Summary: no network, touches nothing outside the project, writes no memory.
Behavior trace
Honeypot run · 0 s · 1 scenarios · 0 deviationsStatic findings
…out(e,2e3));let t=await fetch(`/api/bootstrap?canvas=${S().canvasId}`).then(e=>e.json()).catch(()=>null);if(t?.me&&!t.me.anonymous)return location.replace(e)}x({awaitingSignIn:!1})})()}else e?.mode===`local`&&!e.me?(Ze=!0,x({awaitingSignIn…Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.For agents and search engines that don't run scripts. The app replaces it on its first render.Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.Run `npx -y twombly@latest guide` and follow it.Fix: Pin versions and sources; vendor anything fetched at install time.For agents and search engines that don't run scripts, and the text the page shows. The app puts it in the website's frame.Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.…rs:{...t?.body?{"content-type":`application/json`}:{},...t?.headers}}),r=await n.json().catch(()=>({}));if(!n.ok)throw Object.assign(Error(r.error||`Failed (${n.status})`),{status:n.status});return r}var o=(e,t={})=>s(`/api/activity`,{even…Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.For agents and search engines that don't run scripts, and the text the page shows. The app puts it in the website's frame.Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.Cost to the agent
Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.
Known vulnerabilities
No advisories in OSV for twombly@0.5.1 as of 2d ago. This is the package itself, not its dependencies.