Expert knowledge for Azure External Attack Surface Management development including limits & quotas, and configuration. Use when defining EASM asset filters, building inventory queries, or managing billable asset usage and quotas, and other Azure External Attack Surface Management related development tasks. Not for Azure Defender For Cloud (use azure-defender-for-cloud), Azure Security (use azure-security), Azure Sentinel (use azure-sentinel), Azure Firewall Manager (use azure-firewall-manager).
v1.0Latest
New~998Updated Jun 26, 2026
Azure External Attack Surface Management Skill
This skill provides expert guidance for Azure External Attack Surface Management. Covers limits & quotas, and configuration. It combines local quick-reference content with remote documentation fetching capabilities.
How to Use This Skill
IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use read_file with the specified lines. For categories with file links (e.g., [security.md](security.md)), use read_file on the linked reference file
IMPORTANT for Agent: If metadata.generated_at is more than 3 months old, suggest the user pull the latest version from the repository. If mcp_microsoftdocs tools are not available, suggest the user install it: Installation Guide
This skill requires network access to fetch documentation content:
Preferred: Use mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.
Fallback: Use fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.
Category Index
Category
Lines
Description
Limits & Quotas
L30-L34
Details on Defender EASM billable asset limits, how usage is measured, and how billing and quotas work for external attack surface management.
Configuration
L35-L47
Configuring Defender EASM asset filters (domains, hosts, IPs, ASNs, SSL certs, pages, contacts), using inventory filters/saved queries, and connecting EASM data to Log Analytics/ADX.
Limits & Quotas
Topic
URL
Understand Defender EASM billable asset limits and billing
This skill provides structured guidance for developing with Azure External Attack Surface Management (EASM), focusing on limits, quotas, and configuration tasks. It acts as a reference hub that directs agents to fetch remote documentation from Microsoft Learn and configure asset filters, inventory queries, and data connections.
Requires network access to fetch remote documentation via mcp_microsoftdocs or fetch_webpage
Skill metadata, 'Compatibility' and 'How to Use' sections
INFO
Fallback to fetch_webpage with query parameters
How to Use This Skill section, fallback instructions
INFO
All referenced URLs are Microsoft Learn documentation (learn.microsoft.com)
Category Index tables, all topic URLs
Referenced Domains
External domains referenced in skill content, detected by static analysis.
github.comlearn.microsoft.com
Use Cases
Define EASM asset filters for domains, hosts, IPs, ASNs, SSL certificates, and pages
Build and manage inventory queries with saved filters in Defender EASM
Understand billable asset limits and quota management for EASM
Configure data connections from EASM to Log Analytics and Azure Data Explorer
Look up EASM configuration best practices and contact asset filter setup
Quality Notes
Clear categorization: skill partitions content into 'Limits & Quotas' and 'Configuration' with line-number references for local content
Well-structured table format for quick navigation: Category Index clearly shows topic, lines, and descriptions
Important agent notes are explicitly called out with IMPORTANT markers, guiding proper tool usage
Metadata check built in: skill instructs agents to verify documentation freshness (3-month check on generated_at)
Graceful fallback: dual tool support (preferred mcp_microsoftdocs and fallback fetch_webpage) reduces dependency failures
Scope clearly defined: description explicitly excludes related products (Defender For Cloud, Azure Security, Sentinel, Firewall Manager)
All topic URLs are hyperlinked and consistently formatted for easy reference
No example configurations or step-by-step workflows provided — skill is reference-oriented, not task-oriented
Model: claude-haiku-4-5-20251001Analyzed: Jun 26, 2026
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