Anthropic Cybersecurity Skills vs Sublime Security

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-09-01
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At a glance

DimensionAnthropic Cybersecurity SkillsSublime Security
PricingFree (open-source Apache 2.0)Paid (contact for pricing)
Target UserSecurity engineers, penetration testers, threat hunters using AI agentsEnterprise security teams and SOC analysts focused on email threats
Core Function817 structured cybersecurity skills for AI agents across 6 frameworksAI-driven email security (BEC, VEC, phishing) with custom detection rules
DeploymentCLI-based, works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI and 20+ platformsCloud platform, integrates with Microsoft 365 and Google Workspace
Open SourceYes (Apache 2.0)No (proprietary)
Best ForAutomating security tasks with AI agentsDetecting and responding to advanced email threats

Anthropic Cybersecurity Skills is the better choice for security professionals who want to supercharge AI agents with structured, open-source playbooks for free. Sublime Security wins for enterprise teams needing a dedicated, low-FP email security platform. Choose based on whether your need is agent automation (Anthropic) or email protection (Sublime).

Anthropic Cybersecurity Skills
Anthropic Cybersecurity Skills

Open-source library of 817 structured cybersecurity skills for AI agents, MITRE-mapped and free.

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Sublime Security
Sublime Security

Agentic email security for enterprise BEC and targeted phishing

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Pricing
Free
Contact Sales
Plans
Popularity
8 views
7.5k views
Skill Level
Intermediate
Advanced
API Available
Platforms
PluginCLI
APIWeb
Categories
🕸️ Agent Frameworks & Orchestration🔐 Application & Code Security
🚨 Threat Detection & SOC
Features
817 structured cybersecurity skills across 29 domains (June 2026)
Progressive disclosure: ~40-token YAML frontmatter, full workflow on demand
MITRE ATT&CK technique IDs in every skill
Mapped to NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF
Exact CLI commands and prerequisites in each workflow
Verification steps for confirming task completion
Works with Claude Code, GitHub Copilot, Cursor, Gemini CLI, Codex CLI
Supports 20+ platforms that read structured Markdown
Install via npx, git clone, or manual copy
Apache 2.0 open-source license
Covers DFIR, threat hunting, cloud security, red teaming, OT/ICS
Community-driven with regular updates
CVE references included where applicable
No graphical interface, CLI-based operation
agentskills.io standard compatible
Autonomous Security Analyst (ASA) for automatic user report triage
Autonomous Detection Engineer (ADÉ) for auto-authoring detection rules
Custom detection rules via Sublime Script (YARA-like language)
Real-time detection of BEC, VEC, credential phishing, callback phishing
Threat hunting interface for proactive investigation
Full transparency with evidence-backed verdicts
Automated incident response (quarantine, alert, remediation)
Low false positive rate via adaptive learning
Integration with Microsoft 365
Integration with Google Workspace
Free EML Analyzer tool for email analysis
API for programmatic access
80% faster user report investigation
Advanced graymail protection (public beta, July 2026)
Integrations
Claude Code
GitHub Copilot
Cursor
Gemini CLI
OpenAI Codex CLI
Amp
Windsurf
Aider
Continue
Goose
Zed
Cline
Void
Cody
Kodu
Microsoft 365
Google Workspace

What real users say: Anthropic Cybersecurity Skills vs Sublime Security

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Anthropic Cybersecurity Skills

26 mentions across 5 sources · 59% positive — mixed

Hacker News, YouTube, Product Hunt, GitHub, Lemmy

What users praise

  • Free and open-source under Apache 2.0 license
  • Huge library: 817 skills across 29 security domains
  • MITRE ATT&CK and NIST CSF mapping for easy compliance
  • Progressive disclosure with 40-token YAML frontmatter minimizes token spend

What frustrates them

  • Not affiliated with Anthropic despite the name
  • No proof of real-world effectiveness in production security
  • Product Hunt launch got zero upvotes, indicating limited community buzz
  • Requires Node.js 18+ for npx install, a barrier for some

Researched Aug 15, 2026

Sublime Security

28 mentions across 2 sources · 35% positive — critical

YouTube, Lemmy

What users praise

  • Full transparency with evidence-backed verdicts, real differentiator.
  • Custom detections in Sublime Script, powerful YARA-like language.
  • Autonomous agents triage, reducing analyst workload.
  • Integrates natively with Microsoft 365 and Google Workspace.

What frustrates them

  • Nearly no independent community feedback yet, unproven claims.
  • Steep learning curve, advanced skills required for Sublime Script.
  • Pricing opaque, no self-serve tiers, contact-only.
  • Graymail protection still beta, not fully tested.

Researched Aug 26, 2026

Who should pick which

  • Solo security researcher
    Pick: Anthropic Cybersecurity Skills

    Free, open-source, and provides 817 structured skills that can be used with various AI agents to automate research tasks.

  • Enterprise SOC analyst
    Pick: Sublime Security

    Sublime offers AI-driven email threat detection with low false positives, custom rules, and integration with M365 and Google Workspace, fitting enterprise workflows.

  • Penetration tester / Red teamer
    Pick: Anthropic Cybersecurity Skills

    The skills include MITRE ATT&CK technique IDs and CVE references, ideal for structuring red team operations with AI agents.

  • IT team managing email security
    Pick: Sublime Security

    Sublime is purpose-built for email security, with automated detection and response for BEC and phishing, complementing existing gateways.

  • Cloud security auditor
    Pick: Anthropic Cybersecurity Skills

    Anthropic covers 29 security domains and multiple frameworks (NIST CSF 2.0, MITRE ATT&CK), useful for cloud audits and compliance checks.

Frequently Asked Questions

Anthropic Cybersecurity Skills vs Sublime Security: which should you choose?

Anthropic Cybersecurity Skills is the better choice for security professionals who want to supercharge AI agents with structured, open-source playbooks for free. Sublime Security wins for enterprise teams needing a dedicated, low-FP email security platform. Choose based on whether your need is agent automation (Anthropic) or email protection (Sublime).

Is Anthropic Cybersecurity Skills officially supported by Anthropic?

No, it's a community-driven project and not affiliated with Anthropic.

Can Sublime Security be used with providers other than Microsoft 365 and Google Workspace?

Currently, it integrates only with M365 and Google Workspace.

Does Anthropic Cybersecurity Skills include a GUI?

No, it's CLI-only; users need comfort with command-line tools.

What is the pricing model for Sublime Security?

Contact sales; pricing is not publicly disclosed.

Can I use Anthropic Cybersecurity Skills with any AI agent?

It works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI, and 20+ platforms that support structured Markdown.

Does Sublime Security support custom detection rules?

Yes, using Sublime Script, a YARA-like language.

Which frameworks are included in Anthropic Cybersecurity Skills?

MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF, and MITRE F3.

Is Sublime Security suitable for small businesses?

It's best for mid-to-large enterprises; small teams may find it overkill and costly.

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Last reviewed: July 3, 2026