northcinder: Open-source MCP server for comparing products and asking the buyer before purchase

by cinderline · MCP Server · ★ 1.2k

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

How to install northcinder

npx northcinder init

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 65/100

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. Full audit →

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.

agentic-commercehuman-in-the-looplocal-firstmcpmcp-servermodel-context-protocolprivacyself-hostedshopping-agenttypescript

Quick Facts

Stars1,203
Forks5
LanguageJavaScript
CategoryMCP Server
LicenseMIT
Quality Score65/100
Last Updated2026-08-22
Created2026-08-17
Platformsmcp, node
Est. Tokens~14k

About northcinder

NorthCinder Your shopping agent should work for you. AI agents are starting to do more than answer shopping questions. Soon they will decide which products people see and, in some cases, buy on their behalf. Big marketplaces are building the easiest version of this: an agent that searches one catalog and steers the buyer toward that platform's checkout.

Compatible Skills

These tools work well together with northcinder for enhanced workflows:

  • medusa-agent-skills — semantic(0.20)+complementary+rare_topics+same_lang+similar_pop+shared_platform (62%)
  • mcp-dev-latam — semantic(0.25)+rare_topics+same_lang+similar_pop+shared_platform (48%)
  • mercadona-cli — semantic(0.32)+complementary+similar_pop (46%)
  • pinchy — semantic(0.16)+complementary+similar_pop+shared_platform (46%)

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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:

View on GitHub → Browse MCP Server tools