jwmossmoz

jwmossmoz

@jwmossmoz

GitHub
14 Skills
42 Total Stars
February 2026 Joined

Public Skills

task-discovery

by jwmossmoz

Discover Firefox CI tasks by worker pool. Query the Taskcluster task graph to find tasks assigned to specific worker types. Use when planning worker pool migrations, crafting mach try pushes, or auditing which tasks run on a pool. Triggers on "discover tasks", "find tasks", "worker pool tasks", "task discovery", "which tasks run on".

Automation 3 3mo ago

os-integrations

by jwmossmoz

Run Firefox mach try commands with pre-configured flags for os-integration testing on Windows and Linux alpha worker pools. Use when testing Firefox changes against Windows 10, Windows 11, Ubuntu 24.04, hardware workers, ARM64, or AMD configurations. Triggers on "os-integration", "mach try", "windows testing", "linux testing", "alpha image".

Database 3 3mo ago

papertrail

by jwmossmoz

Query and download logs from SolarWinds Observability (formerly Papertrail) using the paperctl CLI. Use when: (1) Downloading logs from Taskcluster workers or other systems (2) Searching for specific log entries across systems (3) Investigating CI failures by pulling worker logs (4) Listing available entities (hosts) in SolarWinds Observability Triggers: "papertrail", "pull logs", "worker logs", "download logs", "search logs"

CLI Tools 3 3mo ago

redash

by jwmossmoz

Query Mozilla's Redash (sql.telemetry.mozilla.org) for telemetry data from BigQuery. Use when querying Firefox user telemetry, OS distribution, architecture breakdown, or running custom SQL against Mozilla's data warehouse. Triggers on "redash", "telemetry query", "sql.telemetry", "BigQuery query", "Firefox data", "client counts", "user population", "DAU", "MAU", "macOS version", "macOS distribution", "Apple Silicon", "aarch64", "x86_64", "architecture distribution", "Windows version", "Windows distribution", "how many users", "what share of users", "what percentage of Firefox users".

Processing 3 3mo ago

worker-image-investigation

by jwmossmoz

Investigate Taskcluster task failures related to worker images. Compare passing vs failing tasks, extract image versions, find running workers, and debug Windows VMs via Azure CLI. Use when debugging CI failures after image upgrades, investigating intermittent test failures, or comparing worker configurations. Triggers on "image investigation", "worker image", "compare tasks", "why is this failing", "image regression", "worker debug".

CLI Tools 3 3mo ago

taskcluster

by jwmossmoz

Interact with Mozilla Taskcluster CI using the taskcluster CLI. Query task status, view logs, download artifacts, retrigger tasks, and manage task groups. Use when working with CI tasks from firefox-ci-tc.services.mozilla.com or debugging worker pool issues. For worker pool operations (list workers, terminate workers, bulk task cancellation), use native taskcluster api commands (see references/worker-pools.md). Triggers on "taskcluster", "task status", "task log", "artifacts", "retrigger", "task group", "worker pool".

Automation 3 3mo ago

treeherder

by jwmossmoz

Query Firefox Treeherder for CI job results using treeherder-cli (primary) and lumberjackth (secondary). Use after commits land to check test/build results. Triggers on "treeherder", "job results", "check tests", "ci status".

CLI Tools 3 3mo ago

bugzilla

by jwmossmoz

Interact with Mozilla Bugzilla (bugzilla.mozilla.org) via REST API. Use when the user asks to search bugs, view bug details, create bugs, update bugs, add comments, or attach files. Triggers on "bugzilla", "bmo", "file a bug", "bug report", "mozilla bug".

Code Gen 3 3mo ago

bigquery

by jwmossmoz

Query Mozilla telemetry data directly from BigQuery using the bq CLI. Use when the user wants to run SQL against Firefox telemetry, analyze Windows version distribution, count DAU/MAU/WAU, query Glean metrics, or investigate user populations. Triggers on "bigquery", "bq", "telemetry query", "DAU", "MAU", "Windows distribution", "macOS distribution", "Darwin version", "Linux distribution", "kernel version", "client count", "user count", "Glean metrics query", "baseline_clients".

Auth 3 3mo ago

jira

by jwmossmoz

Extract, create, and modify JIRA stories from Mozilla JIRA (mozilla-hub.atlassian.net). Use when the user asks to create JIRA stories, update JIRA issues, search for stories, list epics, add comments, or work with sprints. Supports Markdown formatting in descriptions and comments.

CLI Tools 3 3mo ago

win11-24h2-files

by jwmossmoz

Query Windows 11 version 24H2 cumulative update file information. Search for DLLs, drivers, and system files across all patch levels. Compare file versions between builds, track version history, and identify what changed in each update. Use when: (1) investigating which Windows build introduced a file version, (2) comparing file changes between patches, (3) finding DLL/driver versions for specific builds, (4) debugging Windows update regressions, (5) user asks about Windows 11 24H2 files, KB updates, or build versions.

Database 3 3mo ago

lando

by jwmossmoz

Check the status of Lando landing jobs using Mozilla's Lando API. Use after submitting try pushes with mach try to verify if your commit has landed. Triggers on "lando status", "landing job", "check landing", "commit landed".

API Dev 3 3mo ago

writing-skills

by jwmossmoz

Author and maintain Agent Skills in this repo. Use when creating or updating SKILL.md files, scripts, references, or skill documentation.

Code Gen 3 3mo ago

worker-image-build

by jwmossmoz

Build Firefox CI worker images by triggering GitHub Actions workflows in mozilla-platform-ops/worker-images. Supports FXCI Azure workflows for Windows image builds (trusted and untrusted). Use when: - User wants to build a worker image - User mentions "FXCI Azure", "worker image build", or specific pool names like "win11-64-24h2-alpha" - User wants to trigger image builds for Windows 10, Windows 11, or Windows Server 2022 - User asks to check status of a worker image build Triggers: "build image", "worker image", "FXCI Azure", "trigger build", "image build status"

Agents 3 4mo ago