wren-engine: The open context engine for AI agents support 15+ data sources. Built on Rust and Apache DataFusion

by Canner · MCP Server · ★ 661

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

Security audit verdict: SAFE · quality 61/100

None of the 43 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 43 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.

agentagentic-aiaibusiness-intelligencedatadata-analysisdata-analyticsdata-lakedata-warehousehacktoberfest

Quick Facts

Stars661
Forks202
LanguageJava
CategoryMCP Server
LicenseApache-2.0
Quality Score61/100
Open Issues72
Last Updated2026-05-06
Created2022-05-09
Platformsjava, mcp
Est. Tokens~2094k

About wren-engine

Wren Engine The open context engine for AI agents Wren Engine is the open foundation behind Wren AI: a semantic, governed, agent-ready context layer for business data. https://github.com/user-attachments/assets/037f2317-d8e5-41f2-9563-1e0bce4ef50c Why Wren Engine AI agents can already call tools, browse

Compatible Skills

These tools work well together with wren-engine for enhanced workflows:

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 43 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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