probe-discovery

Included with Lifetime

$97 forever

Find Mozilla telemetry probes and Glean metrics. Use when user asks about: Firefox metrics, Glean probes, telemetry data, accessibility probes, search metrics, or any Mozilla product instrumentation.

General

What this skill does


# Mozilla Probe Discovery

For metric/probe discovery and naming conventions, see [metrics.md](../../knowledge/metrics.md).
For data platform architecture, see [architecture.md](../../knowledge/architecture.md).
For external sources (Metric Hub, Confluence, app discovery), see [external-sources.md](../../knowledge/external-sources.md).

## Workflow

1. **Clarify the product** — ask which Firefox/Mozilla product if not specified
2. **Search using Glean Dictionary MCP** (preferred):
   - `mcp__plugin_mozdata_glean-dictionary__search_metrics` with app_name (snake_case), query, type, include_expired
   - `mcp__plugin_mozdata_glean-dictionary__get_metric` for full metric definitions
   - `mcp__plugin_mozdata_glean-dictionary__get_app` for app overview (metrics count, pings, tags)
   - `mcp__plugin_mozdata_glean-dictionary__get_ping` for ping details and contained metrics
   - `mcp__plugin_mozdata_glean-dictionary__list_apps` to discover available apps
3. **Fallback: ProbeInfo API** — only use WebFetch to ProbeInfo API when data is not available via Glean Dictionary MCP. Use kebab-case for product name in URL (e.g., `firefox-desktop`).
4. **Provide to user**:
   - Metric name, type, description, and which pings contain it
   - Glean Dictionary link for visual exploration
   - BigQuery table and column path
   - Example query if requested

Files: 1

Size: 2.0 KB

Complexity: 11/100

Category: General

Source: https://github.com/akkomar/mozdata-claude-plugin/tree/main/skills/probe-discovery

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