io.usefulapi/signl4

up checked 2026-11-11T08:38:55.327Z

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Publisher-provided title

SIGNL4 MCP by usefulapi

Publisher-provided description

Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts.

Summary by lookupd

Read, raise, acknowledge, annotate and close incident alerts, and look up teams, users, duty schedules and audit logs.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http signl4 https://signl4.usefulapi.io/mcp

Codex, remote (streamable-http)

codex mcp add signl4 --url https://signl4.usefulapi.io/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "signl4": {
      "url": "https://signl4.usefulapi.io/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (18 tools)

Publisher-provided text

• signl4_list_teams List the SIGNL4 teams the API key can access: id, name, description, time zone and member ids. Team ids are needed to raise alerts and to look up categories and
• signl4_get_team One SIGNL4 team: name, description, time zone, member ids. GET /v3/teams/{teamId}.
• signl4_list_users List the SIGNL4 users the key can access with name, e-mail, contact addresses, activation state and duty status per team (dutyMode, onDutyTime). User ids are ne
• signl4_get_user One SIGNL4 user: name, e-mail, contact addresses, time zone and duty status per team. GET /v3/users/{userId}.
• signl4_list_team_users List the users of the given teams (all accessible teams by default) with duty status. Teams that cannot be read are reported under `errors`. GET /v3/teams/users
• signl4_list_categories List the alert categories of a team (name, color, keywords used to auto-classify alerts). The category name can be passed to signl4_raise_alert. GET /v3/categor
• signl4_list_alerts Search SIGNL4 alerts (signls), newest first, with status, severity, category and history (created, acknowledged, closed). Filter by team, status, creation time,
• signl4_get_alert Full detail of one alert: title, text, severity, category, status and delivery status, history (who acknowledged/closed it and when), parameters, attachments an
• signl4_get_alert_timeline The ordered timeline of an alert: creation, notifications, acknowledgements, annotations, escalations and remote actions. GET /v3/signls/{signlId}/timeline.
• signl4_get_alert_report Alert volume and response statistics per team over several time periods: acknowledged, closed and unhandled counts, overall and per category (optionally for one
• signl4_raise_alert WRITE: raise a new alert in a SIGNL4 team. THIS NOTIFIES REAL PEOPLE: every team member currently on duty is paged (push, SMS and/or voice call according to the
• signl4_acknowledge_alert WRITE: acknowledge an alert on behalf of a SIGNL4 user (recorded in its history under that user). Stops escalation to further tiers for that alert. POST /v3/sig
• signl4_close_alert WRITE: close (resolve) an alert on behalf of a SIGNL4 user; it leaves the open list and stops all further notifications. POST /v3/signls/{signlId}/close.
• signl4_annotate_alert WRITE: add a text note to an alert's timeline on behalf of a SIGNL4 user. The note is visible to the team in the app. It does not page anyone by itself. POST /v
• signl4_list_duty_schedules Planned on-call duty schedules (who is on duty when): start/end, team, user, tier, stand-in and shift info. Filter by team, user and time window. POST /v3/sched
• signl4_get_duty_status Whether a user is currently on or off duty in each of their teams (dutyMode, onDutyTime, tier). GET /v3/users/{userId}/dutyStatus.
• signl4_get_duty_summary Duty assistant info per team: whether it is enabled and the last two (or all) duty periods. GET /v3/duties/summary.
• signl4_list_audit_logs Audit log of changes and events in the SIGNL4 subscription (who changed what, when). Filter by team, time window and message text; pass the returned continuatio

Details

• Version: 1.24.3
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 461 ms
• First indexed: 2026-11-01T10:06:09.120Z
• Last seen in registry: 2026-11-11T00:17:33.762Z
• Repository: https://github.com/m190/usefulapi-mcp
• Website: https://usefulapi.io/signl4/

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