monte-carlo-data · wojtekdeka · May 22, 2026 · May 20, 2026 · May 20, 2026 · May 20, 2026
diff --git a/README.md b/README.md
@@ -29,6 +29,7 @@ Skills are grouped by the job they help you do. Orchestrated workflows sequence
 |---|---|---|
 | **Proactive Monitoring** _(workflow)_ | Sequences coverage analysis → gap identification → monitor creation into a guided flow. | [SKILL](skills/proactive-monitoring/SKILL.md) |
 | **Monitoring Advisor** | Identifies coverage gaps and creates monitors for warehouse tables or AI agents — validates tables and fields against your live workspace, emits monitors-as-code YAML. | [README](skills/monitoring-advisor/README.md) |
+| **Manage MaC** | Create, edit, validate, and import Monitors-as-Code YAML files — authors new monitors from scratch, modifies existing files, validates against the published JSON Schema, and exports live monitors to YAML. | [SKILL](skills/manage-mac/SKILL.md) |
 | **Tune Monitor** | Recommends sensitivity, segment, and schedule changes to reduce alert noise on an existing metric monitor. | [SKILL](skills/tune-monitor/SKILL.md) |
 
 ### Prevent — catch issues before they ship

diff --git a/plugins/claude-code/.claude-plugin/plugin.json b/plugins/claude-code/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "mc-agent-toolkit",
-  "version": "1.11.1",
+  "version": "1.12.0",
   "description": "Monte Carlo Agent Toolkit — data observability for AI coding agents. Surfaces blast radius, active alerts, and monitor coverage gaps before you edit dbt SQL. Includes skills for incident response, proactive monitoring, storage cost analysis, and push ingestion. Hooks enforce data-safety checks automatically as you work.",
   "author": {
     "name": "Monte Carlo",

diff --git a/plugins/claude-code/CHANGELOG.md b/plugins/claude-code/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to the Monte Carlo Agent Toolkit plugin for Claude Code will
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 This project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2026-05-20
+
+### Added
+
+- New `/manage-mac` skill: create, edit, validate, and import Monitors-as-Code YAML files — CLI-first: uses `montecarlo monitors compile` to validate and `apply` to deploy; falls back to MC MCP tools then manual validation
+- Schema validation gates injected into `monitoring-advisor` and `tune-monitor` — agents now validate generated YAML against the published schema before presenting it to the user
+
 ## [1.11.1] - 2026-05-13
 
 ### Added

diff --git a/plugins/claude-code/skills/manage-mac b/plugins/claude-code/skills/manage-mac
@@ -0,0 +1 @@
+../../../skills/manage-mac
diff --git a/plugins/codex/.codex-plugin/plugin.json b/plugins/codex/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "mc-agent-toolkit",
-  "version": "1.11.1",
+  "version": "1.12.0",
   "description": "Monte Carlo Agent Toolkit — data observability skills and enforcement hooks for AI coding agents.",
   "author": {
     "name": "Monte Carlo",

diff --git a/plugins/codex/CHANGELOG.md b/plugins/codex/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to the Monte Carlo Agent Toolkit plugin for Codex will be do
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 This project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2026-05-20
+
+### Added
+
+- New `/manage-mac` skill: create, edit, validate, and import Monitors-as-Code YAML files — CLI-first: uses `montecarlo monitors compile` to validate and `apply` to deploy; falls back to MC MCP tools then manual validation
+- Schema validation gates injected into `monitoring-advisor` and `tune-monitor` — agents now validate generated YAML against the published schema before presenting it to the user
+
 ## [1.11.1] - 2026-05-13
 
 ### Added

diff --git a/plugins/codex/skills/manage-mac b/plugins/codex/skills/manage-mac
@@ -0,0 +1 @@
+../../../skills/manage-mac
diff --git a/plugins/copilot/CHANGELOG.md b/plugins/copilot/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to the Monte Carlo Agent Toolkit plugin for Copilot CLI will
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 This project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2026-05-20
+
+### Added
+
+- New `/manage-mac` skill: create, edit, validate, and import Monitors-as-Code YAML files — CLI-first: uses `montecarlo monitors compile` to validate and `apply` to deploy; falls back to MC MCP tools then manual validation
+- Schema validation gates injected into `monitoring-advisor` and `tune-monitor` — agents now validate generated YAML against the published schema before presenting it to the user
+
 ## [1.11.1] - 2026-05-13
 
 ### Added

diff --git a/plugins/copilot/plugin.json b/plugins/copilot/plugin.json
@@ -1,6 +1,6 @@
 {
     "name": "mc-agent-toolkit",
-    "version": "1.11.1",
+    "version": "1.12.0",
     "description": "Monte Carlo Agent Toolkit — data observability for AI coding agents.",
     "author": {
         "name": "Monte Carlo",

diff --git a/plugins/copilot/skills/manage-mac b/plugins/copilot/skills/manage-mac
@@ -0,0 +1 @@
+../../../skills/manage-mac
diff --git a/plugins/cursor/.cursor-plugin/plugin.json b/plugins/cursor/.cursor-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
     "name": "mc-agent-toolkit",
-    "version": "1.11.1",
+    "version": "1.12.0",
     "description": "Monte Carlo Agent Toolkit — data observability skills and enforcement hooks for AI coding agents.",
     "author": {
         "name": "Monte Carlo",

diff --git a/plugins/cursor/CHANGELOG.md b/plugins/cursor/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to the Monte Carlo Agent Toolkit plugin for Cursor will be d
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 This project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2026-05-20
+
+### Added
+
+- New `/manage-mac` skill: create, edit, validate, and import Monitors-as-Code YAML files — CLI-first: uses `montecarlo monitors compile` to validate and `apply` to deploy; falls back to MC MCP tools then manual validation
+- Schema validation gates injected into `monitoring-advisor` and `tune-monitor` — agents now validate generated YAML against the published schema before presenting it to the user
+
 ## [1.11.1] - 2026-05-13
 
 ### Added

diff --git a/plugins/cursor/skills/manage-mac b/plugins/cursor/skills/manage-mac
@@ -0,0 +1 @@
+../../../skills/manage-mac
diff --git a/plugins/opencode/CHANGELOG.md b/plugins/opencode/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to the Monte Carlo Agent Toolkit plugin for OpenCode will be
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 This project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2026-05-20
+
+### Added
+
+- New `/manage-mac` skill: create, edit, validate, and import Monitors-as-Code YAML files — CLI-first: uses `montecarlo monitors compile` to validate and `apply` to deploy; falls back to MC MCP tools then manual validation
+- Schema validation gates injected into `monitoring-advisor` and `tune-monitor` — agents now validate generated YAML against the published schema before presenting it to the user
+
 ## [1.11.1] - 2026-05-13
 
 ### Added

diff --git a/plugins/opencode/package.json b/plugins/opencode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@montecarlo/mc-agent-toolkit",
-  "version": "1.11.1",
+  "version": "1.12.0",
   "description": "Monte Carlo Agent Toolkit — data observability skills and enforcement hooks for AI coding agents.",
   "type": "module",
   "main": "src/index.ts",

diff --git a/plugins/opencode/skills/manage-mac b/plugins/opencode/skills/manage-mac
@@ -0,0 +1 @@
+../../../skills/manage-mac
diff --git a/skills/README.md b/skills/README.md
@@ -18,6 +18,7 @@ Skills are platform-agnostic instruction sets that tell an AI coding agent what
 | **[Storage Cost Analysis](storage-cost-analysis/)** | Identifies storage waste patterns (unread, zombie, dead-end tables) and recommends safe cleanup with cost estimates. |
 | **[Performance Diagnosis](performance-diagnosis/)** | Diagnoses slow pipelines and expensive queries across Airflow, dbt, and Databricks with tiered investigation. |
 | **[Remediation](remediation/)** | Investigates and remediates data quality alerts — runs TSA root cause analysis, discovers available tools, executes fixes (or escalates), and documents the resolution. |
+| **[Manage MaC](manage-mac/)** | Create, edit, validate, and import Monitors-as-Code YAML files — authors new monitors from scratch, modifies existing files, validates against the published JSON Schema, and exports live monitors to YAML. |
 | **[Tune Monitor](tune-monitor/)** | Analyzes a Monte Carlo metric monitor's alert history and recommends configuration changes to reduce noise — sensitivity, WHERE conditions, segment exclusions, schedule, and aggregation. |
 | **[Connection Auth Rules](connection-auth-rules/)** | Build a Connection Auth Rules configuration for a Monte Carlo connection type. Fetches live connector schemas and transform steps from the apollo-agent repo. |
 | **[Instrument Agent](instrument-agent/)** | Instruments a Python AI agent for Monte Carlo Agent Observability — detects AI libraries, installs the Monte Carlo OpenTelemetry SDK, sets up tracing, and verifies traces in Monte Carlo. Asks before editing. |