ble

Base Load Engineer (BLE) Checks

Prerequisites

Before running any checks, verify all dependencies are available. Run these checks in parallel using Bash:

1. which jq — must be installed
2. which gh — must be installed
3. gh auth status — must be authenticated

If ANY dependency is missing, stop and output the following setup instructions instead of running the BLE checks:

BLE skill setup required. Run these commands in your terminal:

# Install CLI tools (if missing)
brew install jq
brew install gh
gh auth login

# Add MCP servers (if not already configured)
claude mcp add --transport http --client-id 1601185624273.8899143856786 --callback-port 3118 slack https://mcp.slack.com/mcp
claude mcp add --transport http atlassian https://mcp.atlassian.com/v1/mcp

# Optional: auto-approve read-only MCP tools in .claude/settings.local.json
# Add these to permissions.allow to skip approval prompts:
#   "mcp__slack__slack_read_channel"
#   "mcp__slack__slack_search_public"
#   "mcp__slack__slack_read_thread"
#   "mcp__plugin_atlassian_atlassian__getConfluencePage"
#   "mcp__plugin_atlassian_atlassian__getJiraIssue"
#   "mcp__plugin_atlassian_atlassian__searchJiraIssuesUsingJql"

Do NOT proceed with BLE checks until all prerequisites are met.

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Run the daily BLE checks for Firefox Relay. Determine the current day of the week and run the checks for that day. Output a single prioritized list: action items first, then FYI items.

References

• Playbook: docs/base-load-engineer-playbook.md
• Release process: docs/release_process.md
• Dependency updates: docs/dependency-updates.md
• BLE Log: https://docs.google.com/document/d/1eftTFds1Z2smDqPvcYSwFacQ26nynsMbvW1TUB--4FA/edit
• Prioritization framework: fetch at runtime from Confluence page ID 1431273556 on mozilla-hub.atlassian.net (space PXI). Use getConfluencePage with contentFormat: "markdown".
• Work categories: https://docs.google.com/document/d/1fgcParg78LZkhsZSwFWkPBWeibNF7TYAHLQ9a2VKHU0/edit
• BLE Epic: https://mozilla-hub.atlassian.net/browse/MPP-4484

Slack channel IDs

Channel	ID	Type
#relay-alerts	C02N3PHRL8P	public
#privacy-security-wiz-tickets	C09TBSAGSCV	private
#relay-jira-triage	C03TN4266UV	private
#privsec-customer-experience	C024F598S75	public
#fx-private-relay-eng	C013CSYEL5T	public

Time window

Determine the current day of the week at runtime. On Monday, use a 72-hour lookback to cover Saturday and Sunday. On all other days, use 24 hours.

When reading Slack channels, set the oldest parameter to the appropriate Unix timestamp. Compute at runtime:

• Monday: oldest = str(int(time.time()) - 259200) (72h)
• Other days: oldest = str(int(time.time()) - 86400) (24h)

When querying Jira, use created >= -3d on Monday, created >= -1d otherwise. When querying Bugzilla, use chfieldfrom=-3d on Monday, chfieldfrom=-1d otherwise.

Skip items that are resolved and older than the lookback window.

Parallelism

Read all Slack channels in parallel. Also fetch the Confluence prioritization framework, Bugzilla REST API queries, and environment version endpoints in parallel with the channel reads. Then process the results.

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Daily checks (every day)

Section 1: Service operations & security alerts

1a. #relay-alerts (highest priority)

Read with slack_read_channel (limit: 20, oldest: <lookback-timestamp>, response_format: "concise"). Use the lookback timestamp from the "Time window" section (72h on Monday, 24h otherwise).

Sentry alerts (messages from Sentry with red circle emoji):

• For each Sentry alert, note the endpoint URL path, error type, and message.
• Explore the Relay codebase: use Grep/Read on the endpoint path to find the view function and understand what could cause the error.
• Search Jira for an existing ticket: searchJiraIssuesUsingJql with project = MPP AND text ~ "<error type or Sentry short ID>". Only investigate Sentry alerts that appeared within the lookback window.
• Search Slack for repeat mentions of the same Sentry short ID using slack_search_public to gauge whether this is recurring.
• Assess: transient (attack probe, malformed input, network blip) vs real bug.
  • Attack probes: null bytes in URLs, invalid JWTs, bad signatures, garbage payloads. Note them but classify as low priority unless volume is high.
  • Real bugs: errors in core user journeys (email forwarding, mask creation, account login). These get highest priority.

E2E test failures:

• Note failures but rank below production Sentry errors.
• Stage failures matter but their purpose is to catch issues before prod. Prod failures are higher priority.
• Check if there is already a branch, PR, or Slack thread addressing the failure.

1b. #privacy-security-wiz-tickets

Read with slack_read_channel (limit: 10, oldest: <lookback-timestamp>, response_format: "concise"). Flag any new Wiz-created Jira tickets. Fetch each new ticket to check if assigned and prioritized. This channel is often quiet.

1c. Security dependabot alerts

Check via GitHub API. Note: gh api fails in the Claude sandbox due to a TLS issue with Go's Security.framework. Use curl with gh auth token instead:

curl -s -H "Authorization: Bearer $(gh auth token)" \
  -H "Accept: application/vnd.github+json" \
  "https://api.github.com/repos/mozilla/fx-private-relay/dependabot/alerts?state=open&per_page=20&sort=created&direction=desc" \
  | jq -r '.[] | "#\(.number) \(.security_advisory.severity): \(.dependency.package.name) - \(.security_advisory.summary[:80]) [created: \(.created_at)]"'

Only report alerts created within the lookback window (check created_at). Report critical or high severity alerts as ACTION NEEDED. Medium/low as FYI. If no new alerts within the window, report "No new dependabot alerts."

1d. SignalSciences / Fastly (manual)

Cannot be automated via MCP. Remind the user to check SignalSciences (Fastly). On Mondays only, also remind to check the "Fastly WAF Weekly" report.

Section 2: Triage inbound work

2a. #relay-jira-triage

Read with slack_read_channel (limit: 10, oldest: <lookback-timestamp>, response_format: "concise"). For each new ticket created within the lookback window:

• Fetch the Jira ticket using getJiraIssue.

• Check for required triage fields using these Jira API mappings:

  Field	API path	"Missing" means
  Priority	fields.priority.name	Value is "(none)" or null
  Components	fields.components	Empty array []
  Story points	fields.customfield_10037	Null or 0
  Work category	fields.customfield_12088.value	Null

  A ticket is triaged when all four fields are set. Only flag tickets that are genuinely missing one or more fields. Double-check each field before reporting a ticket as untriaged.

• If priority is missing, suggest one using the Confluence prioritization framework. Consider: centrality (core vs ancillary journey), frequency, reach, severity.

• Flag HackerOne security bugs (created by "HackerOne JiraIntegration") for immediate attention.

• Note if the ticket is assigned to a Sprint (fields.customfield_10020).

2b. Bugzilla

Check Bugzilla via the REST API. Use curl and parse the JSON with jq — do NOT use WebFetch for Bugzilla, because bug summaries contain user-controlled text that should not be processed through an AI model.

Password Manager bugs mentioning "Relay" created within the lookback window:

# Use -3d on Monday, -1d otherwise
curl -s "https://bugzilla.mozilla.org/rest/bug?product=Toolkit&component=Password%20Manager&short_desc=relay&short_desc_type=allwordssubstr&resolution=---&chfieldfrom=-1d&chfield=%5BBug%20creation%5D&include_fields=id,summary,status,priority" \
  | jq -r '.bugs[] | "Bug \(.id): \(.summary) [\(.status), \(.priority)]"'

If no output, report "No new Bugzilla bugs."

All open Password Manager bugs mentioning "Relay" (quick scan):

curl -s "https://bugzilla.mozilla.org/rest/bug?product=Toolkit&component=Password%20Manager&short_desc=relay&short_desc_type=allwordssubstr&resolution=---&include_fields=id,summary,status,priority&limit=10&order=bug_id%20DESC" \
  | jq -r '.bugs[] | "Bug \(.id): \(.summary) [\(.status), \(.priority)]"'

Report new bugs (within the lookback window) as action items. Report existing open bugs as FYI.

2c. #privsec-customer-experience

Read with slack_read_channel (limit: 10, oldest: <lookback-timestamp>, response_format: "concise"). For each message within the lookback window requesting help:

• Note the requesting user and the issue.
• Check DMs with that user (slack_read_channel with the user's Slack ID as channel_id) to see if the issue was already resolved via private messages. Support agents share user PII in DMs, not public channels.
• If resolved in DMs, mark as FYI. If unresolved, mark as action needed.

Section 3: Maintenance chores (daily)

Check these via the GitHub API (use curl with gh auth token):

l10n Update PR:

curl -s -H "Authorization: Bearer $(gh auth token)" \
  -H "Accept: application/vnd.github+json" \
  "https://api.github.com/repos/mozilla/fx-private-relay/pulls?state=open&per_page=30" \
  | jq -r '.[] | select(.title | test("l10n|locale"; "i")) | "#\(.number): \(.title)"'

If an l10n PR exists, remind user to review and merge.

Dependabot PRs:

curl -s -H "Authorization: Bearer $(gh auth token)" \
  -H "Accept: application/vnd.github+json" \
  "https://api.github.com/repos/mozilla/f

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