punctual: Scheduling that shows up on time — an open, edge-native Calendly alternative on Cloudflare Workers

by CCCrafts · MCP Server · ★ 117

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install punctual

git clone https://github.com/CCCrafts/punctual.git
npx wrangler d1 create punctual          # put the id in wrangler.toml

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 66/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

bookingcalendly-alternativecloudflare-workersdurable-objectsedgemcpopen-sourceschedulingself-hostedtypescript

Quick Facts

Stars117
Forks13
LanguageTypeScript
CategoryMCP Server
LicenseMIT
Quality Score66/100
Open Issues1
Last Updated2026-10-04
Created2026-08-13
Platformsmcp, node
Est. Tokens~15k

About punctual

Scheduling that shows up on time. Punctual is an open, edge-native scheduler — a full single-team alternative to Calendly that runs entirely on Cloudflare Workers. Booking pages render at the edge; self-hosting is one into your own Cloudflare account, $0 on the free tier. Status: v0.1.1 released and live. Pre-1.0, so interfaces may still change.

Compatible Skills

These tools work well together with punctual for enhanced workflows:

  • open-managed-agents — semantic(0.27)+complementary+shared_fw(cloudflare)+rare_topics+same_lang+similar_pop+shared_platform (72%)
  • open-managed-agents — semantic(0.27)+complementary+shared_fw(cloudflare)+rare_topics+same_lang+similar_pop+shared_platform (72%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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