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Are Claude skills safe in 2026? What the Snyk ToxicSkills audit actually found

{/* JSON-LD schema is generated server-side in app/blog/[slug]/page.tsx , do not re-add an inline block here, it crashes<br> MDX&#39;s Acorn parser on the leading <code>{</code>. */}</p> <h2> <a name="tldr" href="#tldr" class="anchor"> </a> TL;DR </h2> <p>In February 2026, Snyk published the <a href="https://snyk.io/blog/toxicskills-malicious-ai-agent-skills-clawhub/">ToxicSkills audit</a>, the first large-scale security review of the public Claude Code skills ecosystem. It scanned 3,984 skills from ClawHub and skills.sh. Findings:</p> <ul> <li><strong>13.4%</strong> contained critical-level issues</li> <li><strong>36%</strong> carried prompt-injection payloads</li> <li><strong>1,467</strong> distinct malicious payloads</li> <li><strong>91%</strong> of confirmed malware combined natural-language jailbreaks with executable shell payloads</li> </ul> <p>If you install a Claude Code skill today without reading its source, the probability that it can read your env vars, exfiltrate <code>~/.ssh/</code>, or chain a bash pipeline that bypasses your deny rules is real and measurable. This post is the cheat sheet for evaluating a skill before you install it. The CTA at the bottom is <a href="https://dev.to/skillvault">SkillVault</a>, the bundle we ship for teams who want this work already done.</p> <h2> <a name="why-the-question-is-suddenly-loadbearing" href="#why-the-question-is-suddenly-loadbearing" class="anchor"> </a> Why the question is suddenly load-bearing </h2> <p>Claude Code skills shipped as an open spec in December 2025. By March 2026, MCP downloads were tracking at 97 million per month, and the most-installed marketplace skill had passed 564,000 installs. <a href="https://venturebeat.com/security/claude-code-512000-line-source-leak-attack-paths-audit-security-leaders">Anthropic&#39;s source leak</a> on March 31, 2026 made the abstract attack surface visceral: the <code>bashSecurity.ts</code> module has 23 numbered security checks, suggesting each was a real incide

2026-05-30 原文 →
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Server-Side WebRTC Noise Reduction with Pion, FFmpeg, and RNN Models

This is a sanitized engineering note about server-side audio noise reduction for WebRTC calls. Source article: https://www.lodan.me/posts/server-side-webrtc-noise-reduction-pion-ffmpeg-rnn/ What the prototype tests The goal is not to replace WebRTC's built-in audio processing. The narrower test is: receive a WebRTC Opus track with Pion read RTP packets in OnTrack decode Opus payloads to PCM pipe raw PCM into FFmpeg apply the arnndn RNN noise reduction filter validate the output as a file before considering real-time forwarding Why this boundary matters RTP, Opus, PCM, and FFmpeg raw audio input are different boundaries. If the PCM format is wrong, FFmpeg may still produce a file, but the result should not be trusted. For example, if the Go side writes int16 PCM, the FFmpeg input format should be reviewed as s16le , not casually treated as s32le . Production concerns The prototype is useful because it isolates the audio path, but production use needs more work: buffering and latency CPU and memory isolation FFmpeg process lifecycle model choice packet loss and jitter RTP timestamps audio/video sync whether the processed audio is returned to WebRTC or only recorded The full article has diagrams and the longer explanation: https://www.lodan.me/posts/server-side-webrtc-noise-reduction-pion-ffmpeg-rnn/

2026-05-30 原文 →
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I Audited My Own Open-Source Project With 26 AI Agents (and Found a Real Vulnerability)

ShareBox is my self-hosted streaming server: a PHP thing I built because I just wanted to send someone a link to a movie without installing Plex and its ten gigabytes of dependencies. It runs on my seedbox, serves my users, and one morning I notice it's starting to pick up a few stars on GitHub. And then, that little voice: "does this thing actually hold up?" Because between "works on my machine" and "code that strangers are going to install on their own box," there's a chasm. A chasm full of flaws I can't see anymore, because I've had my nose in it for weeks. Normally, you re-read your code. Except re-reading 22,000 lines alone, honestly, you do it badly: you skim over what you think you already know. So I tried something else — unleashing a pack of 26 AI agents on it, each with a precise mission, and seeing what surfaced. Spoiler: they found a flaw that had been sitting right under my eyes from the start. 26 agents to comb through my own code The idea wasn't "AI, tell me if my code is good" — that always produces the same encouraging, useless mush. The idea was to orchestrate : split the audit into roles, run the agents in parallel, then have a final, deliberately harsh agent tear apart the conclusions. The pipeline looked like this: eleven readers start in parallel, each swallowing an entire slice of the code (the core, the streaming handlers, the API, the front end, the tests, the Docker setup…). Their reports flow up into an architecture synthesis and a test-coverage analysis. Then twelve "radar" agents each score one single axis — security, performance, architecture, tests… And finally, a "verdict" agent re-reads every score in adversarial mode: its job is to knock down the ones that are too kind. Audit pipeline: 11 readers in parallel, then synthesis, then 12 radar agents, then an adversarial verdict. 11 readers in parallel each slice of the code read in full Architecture + coverage synthesis connect the pieces, measure the gaps 12 radar agents one agent = on

2026-05-29 原文 →
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This sound card could give gamers a competitive edge

Fosi Audio announced a new sound card today with a unique feature designed to give FPS players an advantage. The C3 Gaming Sound Card, which sits outside your PC or laptop and connects with a USB-C cable, includes the company's StepSense "audio enhancement technology" powered by a model that was "trained on extensive FPS audio […]

2026-05-28 原文 →