No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by gosuda · Agent Tool · ★ 271
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
🔒 Is portal-tunnel safe to install? View the security audit →
Portal - Self-Hostable Relay Tunnel for Localhost English | 简体中文 Expose local services through self-hosted or public relays.No port forwarding. No inbound firewall rules. No manual DNS setup. No accounts. Why Portal? Portal is a local tunnel runtime and relay network for publishing services to the agentic web. It publishes local apps, APIs, tools, and agents through self-hosted or public relays, keeps routing and x402 payment policy in the tunnel process, and avoids requiring a hosted vendor account. Self-Hostable, Fully Open Source - Run your own relay with a single command. The relay is MIT-licensed with no enterprise tier, no feature gating, and no call-home. Your relay, your rules. Anonymous Relay Network - Connect to publi
| Stars | 271 |
| Forks | 29 |
| Language | Go |
| Category | Agent Tool |
| License | MIT |
| Quality Score | 71.038477974395/100 |
| Open Issues | 18 |
| Last Updated | 2026-10-04 |
| Created | 2025-10-20 |
| Platforms | browser, go |
| Est. Tokens | ~17k |
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portal-tunnel is Publishes localhost services to the agentic web through self-hostable, trustless relays.. It is categorized as a Agent Tool with 271 GitHub stars.
portal-tunnel is primarily written in Go. It covers topics such as agent-skills, agentic-web, e2ee.
You can find installation instructions and usage details in the portal-tunnel GitHub repository at github.com/gosuda/portal-tunnel. The project has 271 stars and 29 forks, indicating an active community.
portal-tunnel is released under the MIT license, making it free to use and modify according to the license terms.
The top alternatives to portal-tunnel on Agent Skills Hub include rustunnel, comfyui-mcp, concierge. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. 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: