# OpenAdminOS > Open-source publisher. Listings imported from github.com/OpenAdminOS — credited to the original author with their license. - **Listings:** 19 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/openadminos - **Website:** https://github.com/OpenAdminOS ## Published listings - [License Optimizer](https://agentstack.voostack.com/l/skill-openadminos-greybeard-license-optimizer) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-license-optimizer` Use when the user asks about license waste, unused seats, duplicate licenses, downgrade candidates, SKU utilization, or Microsoft 365 cost optimization. - [Least Privilege Scopes](https://agentstack.voostack.com/l/skill-openadminos-greybeard-least-privilege-scopes) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-least-privilege-scopes` Use when the user needs minimum Microsoft Graph permissions, scope choices, admin-consent notes, over-permissioning review, or least-privilege access planning. - [Graph Patterns](https://agentstack.voostack.com/l/skill-openadminos-greybeard-graph-patterns) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-graph-patterns` Use when the user needs Microsoft Graph mechanics, beta default behavior, explicit beta requests, pagination, batching, throttling, OData query design, or token-efficient call patterns. - [Change Plan](https://agentstack.voostack.com/l/skill-openadminos-greybeard-change-plan) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-change-plan` Use when the user proposes tenant writes or asks to create, update, delete, assign, disable, remediate, grant, revoke, or execute Microsoft Graph changes. - [Tenant Pulse](https://agentstack.voostack.com/l/skill-openadminos-greybeard-tenant-pulse) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-tenant-pulse` Use when the user asks how healthy or secure the tenant is, says posture, risk, score, "how are we doing", or wants a scored Microsoft 365 tenant snapshot. - [Conditional Access Review](https://agentstack.voostack.com/l/skill-openadminos-greybeard-conditional-access-review) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-conditional-access-review` Use when the user asks to review existing Conditional Access, audit CA policies, find report-only policies, find enabled policies that lack MFA enforcement, or verify emergency-account exclusions. - [Kql Authoring](https://agentstack.voostack.com/l/skill-openadminos-greybeard-kql-authoring) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-kql-authoring` Use when the user asks to write, tune, explain, debug, optimize, or convert KQL for Intune device query, Log Analytics, Sentinel, sign-in, audit, or compliance data. - [Intune Compliance](https://agentstack.voostack.com/l/skill-openadminos-greybeard-intune-compliance) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-intune-compliance` Use when the user asks why Intune devices are noncompliant, failing compliance, blocked, in grace period, or need compliance policy triage. - [Tenant Decisions](https://agentstack.voostack.com/l/skill-openadminos-greybeard-tenant-decisions) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-tenant-decisions` Use when the user asks why the tenant is configured a certain way, or wants to record the reason behind a configuration decision. - [Handoff](https://agentstack.voostack.com/l/skill-openadminos-greybeard-handoff) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-handoff` Use when the user wants a handover summary, shift-change notes, or a paste-ready recap of what this session investigated and decided. - [Greybeard](https://agentstack.voostack.com/l/mcp-openadminos-greybeard) — MCP server · Free · security-reviewed — `agentstack add mcp-openadminos-greybeard` Your senior Microsoft 365, Intune, and Entra admin, installed in the AI client you already use. Agent Skills plus MCP servers for Claude Code, Cursor, Codex, Gemini, and GitHub Copilot, with a human approval gate on every tenant write. - [Posture Script](https://agentstack.voostack.com/l/skill-openadminos-greybeard-posture-script) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-posture-script` Use when the user wants a complete script to check, audit, report, harden, export, or remediate Microsoft 365, Intune, Entra, or Graph posture offline. - [Entra App Credentials](https://agentstack.voostack.com/l/skill-openadminos-greybeard-entra-app-credentials) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-entra-app-credentials` Use when the user asks about Entra app registrations, service principals, client secrets, certificates, federated identity credentials, GitHub OIDC, secret-to-OIDC migration, bootstrap permissions, or credential rollback. - [Grill My Change](https://agentstack.voostack.com/l/skill-openadminos-greybeard-grill-my-change) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-grill-my-change` Use when the user asks to sanity-check, rehearse, pressure-test, or get grilled on a planned tenant change before executing it. - [Ask My Tenant](https://agentstack.voostack.com/l/skill-openadminos-greybeard-ask-my-tenant) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-ask-my-tenant` Use when the user poses a live tenant state question when no more specific Greybeard skill matches, including guest accounts, disabled accounts, or simple user and group counts. - [Entra Identity](https://agentstack.voostack.com/l/skill-openadminos-greybeard-entra-identity) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-entra-identity` Use when the user asks about Entra users, groups, memberships, dynamic rules, orphaned groups, naming hygiene, cleanup candidates, or identity inventory. - [Intune Assignments](https://agentstack.voostack.com/l/skill-openadminos-greybeard-intune-assignments) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-intune-assignments` Use when the user asks what Intune apps, policies, configuration profiles, devices, or groups are assigned, targeted, excluded, conflicting, or missing. - [Diagnose](https://agentstack.voostack.com/l/skill-openadminos-greybeard-diagnose) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-diagnose` Use when the user reports something broken, failing, or misbehaving in the tenant and needs structured incident triage. - [Learn My Tenant](https://agentstack.voostack.com/l/skill-openadminos-greybeard-learn-my-tenant) — Skill · Free · security-reviewed — `agentstack add skill-openadminos-greybeard-learn-my-tenant` Use when the user wants Greybeard to learn the tenant, onboard a new environment, or seed memory with naming conventions, rings, break-glass accounts, and change windows. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.