create_heartbeat
shallowsh.fettle/mcp · Verify this server
Create a heartbeat monitor and get back ping_url, the URL a scheduled job should call (GET or POST) each time it succeeds. Requires a key with the write scope; the plan caps how many heartbeats an organization may have (403 past it, see get_plan_usage). Required: name (1 to 255 characters), period_seconds and grace_seconds. It is never reported late before its first successful ping (a /fail call still marks it DOWN). After that, an alert fires period_seconds + grace_seconds after the last ping (a success ping, or a call to ping_url + "/start" when the job begins, restarts that clock; ping_url + "/fail" marks it DOWN at once). To ping every N seconds and be alerted after T seconds of silence, set period_seconds = N and grace_seconds = T - N (T at least N; period_seconds 60 to 2592000, grace_seconds 0 to 2592000, and grace may exceed the period). notification_cooldown_seconds (integer, 60 to 86400, optional; 1800 when omitted) only holds back a duplicate first alert for the same incident within that window. Repeat reminders while the incident stays open and unacknowledged follow the plan's renotify_interval_seconds and renotify_max_count (see get_plan_usage; 0 means no reminders), not this value; the recovery alert is never held back by it. channel_ids (array of channel uuids, optional) binds notification channels; omit it or pass an empty list to alert every verified, active channel; an id that is not an active channel of this organization is a 404; list_channels gives the ids. tags is an optional list of flat labels (for example env:prod, service:api) used to group and filter heartbeats, at most 10 per heartbeat. Tags are trimmed, lowercased and deduplicated on write, each at most 50 characters of lowercase letters, digits and : _ . / - , starting with a letter or digit. Call list_tags first to reuse the organization's existing names instead of inventing near-duplicates. Other errors: 422 for an invalid argument, naming it. Example: {"name": "nightly backup", "period_seconds": 86400, "grace_seconds": 3600}
1 trials · measured today
create_heartbeat scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against sh.fettle/mcp, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote + stdio
- Credential class
- gated
- Category
- Developer infrastructure
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-10-20 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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