ZenVault

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Wake-ups, webhook inboxes, TTL memory, watches and human approval for agents. Paid per call.

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Copy this into your MCP client config:

{
  "mcpServers": {
    "ZenVault": {
      "url": "https://api.zenvault.eu/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (44)

• create_wakeup

  Schedule a webhook call at a future time (one-shot). Your agent can die; the call still happens.

  Parameters:

  • at (required) — string — ISO-8601 time to fire
  • url (required) — string — webhook URL to call
  • payload — object — JSON to include

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_schedule

  Recurring webhook on a cron expression until the prepaid days run out.

  Parameters:

  • cron (required) — string — cron expression, e.g. 0 7 * * *
  • url (required) — string — webhook URL
  • days — number — prepaid days
  • payload — object

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_deadman

  Dead-man switch: if you stop checking in, we fire your alert webhook.

  Parameters:

  • url (required) — string — alert webhook
  • days — number
  • apprise_url — string — optional human notification target
  • interval_seconds — number — max time between check-ins

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• checkin_deadman

  Check in to a dead-man switch so it does not fire.

  Parameters:

  • id (required) — string — dead-man switch id

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• delayed_delivery

  Hand over a payload now; we POST it to the target at a future moment.

  Parameters:

  • at (required) — string — ISO-8601
  • url (required) — string — target URL
  • payload — object

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_drip

  Dump up to 100 items now; we deliver them to your webhook at a fixed rate.

  Parameters:

  • url (required) — string — webhook
  • items (required) — array — items to drip
  • rate_seconds — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• notarize

  Signed proof that a hash (or your data) existed at this moment.

  Parameters:

  • data — string — raw data to hash instead
  • note — string
  • sha256 — string — hex digest

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• attested_fetch

  Fetch a URL and return content plus a signed receipt binding url, status, content hash and time.

  Parameters:

  • url (required) — string — URL to fetch
  • include_content — boolean

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_inbox

  Public URL that buffers inbound webhooks until you collect them.

  Parameters:

  • days — number — prepaid days
  • label — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• collect_messages

  Collect buffered messages from an inbox, bin, front door or form.

  Parameters:

  • id (required) — string — resource id
  • all — boolean — include already-collected

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_frontdoor

  Durable front door: buffers webhooks and forwards them to your gateway with retry-until-ack.

  Parameters:

  • target (required) — string — your gateway URL
  • days — number
  • replay_hours — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• request_approval

  Ask a human to approve or deny an action; returns a URL for them and a signed verdict for you. Times out as denied.

  Parameters:

  • action (required) — string — what you want to do
  • detail — string — context for the human
  • webhook — string — called with the verdict
  • apprise_url — string — ping the human here
  • timeout_seconds — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• check_approval

  Check whether a human approved or denied your request.

  Parameters:

  • id (required) — string — approval id

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• notify_human

  Send a message to a human on Telegram, Discord, Slack, ntfy, email and 100+ other services (apprise URL is used once, never stored).

  Parameters:

  • apprise_url (required) — string — apprise target URL
  • body (required) — string — message
  • title — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• guaranteed_delivery

  POST a payload to a URL, retried with backoff until it succeeds.

  Parameters:

  • url (required) — string — target
  • payload — object

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_vault

  Create a key-value namespace with TTL that survives your runs.

  Parameters:

  • days — number
  • label — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• kv_set

  Store a value in a vault (max 1 MB).

  Parameters:

  • id (required) — string — vault id
  • key (required) — string
  • value (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• kv_get

  Read a value from a vault.

  Parameters:

  • id (required) — string — vault id
  • key (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• kv_list

  List keys in a vault.

  Parameters:

  • id (required) — string — vault id

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• save_checkpoint

  Save run state so you can resume after a crash.

  Parameters:

  • id (required) — string — checkpoint id
  • state (required) — string — serialized state

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_checkpoint

  Create a crash checkpoint store.

  Parameters:

  • days — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• load_checkpoint

  Load the latest saved checkpoint state.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• store_secret

  Store a value that self-destructs on first read; returns a one-time read URL.

  Parameters:

  • value (required) — string
  • days — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_queue

  Pull-based work queue with leases; timed-out leases requeue.

  Parameters:

  • days — number
  • max_attempts — number
  • lease_seconds — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• queue_push

  Push a job onto a queue.

  Parameters:

  • id (required) — string — queue id
  • body (required) — string — job payload

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• queue_lease

  Lease the next job from a queue.

  Parameters:

  • id (required) — string — queue id

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• queue_ack

  Acknowledge (or nack) a leased job.

  Parameters:

  • id (required) — string — queue id
  • job_id (required) — string
  • action — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_counter

  Create an atomic counter.

  Parameters:

  • days — number
  • start — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• counter_incr

  Increment a counter atomically.

  Parameters:

  • id (required) — string
  • by — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• claim_operation

  Idempotency firewall: claim an operation id exactly once across runs.

  Parameters:

  • id (required) — string — firewall id
  • operation_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_idempotency

  Create an idempotency/replay firewall.

  Parameters:

  • days — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• publish_page

  Publish an HTML page at name.zenvault.eu for N days.

  Parameters:

  • html (required) — string — page HTML
  • days — number
  • name — string — subdomain name

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_link

  Create an expiring share link with click stats.

  Parameters:

  • target (required) — string — destination URL
  • days — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_watch

  Watch something and fire your webhook when it changes. Types: change, keyword, regex, structured, drift, redirect, sitemap, staleness, rss, dns, port, cert, heartbeat.

  Parameters:

  • type (required) — string — watch type
  • webhook (required) — string — called on change
  • url — string — URL to watch
  • days — number
  • host — string
  • json — boolean
  • name — string — DNS name
  • port — number
  • domain — string — for cert watch
  • record — string — DNS record type
  • keyword — string
  • pattern — string — regex
  • percent — number — drift threshold
  • selector — string — CSS selector or JSON path
  • confirmations — number — fire only after N consecutive hits
  • interval_seconds — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• watch_status

  Check a watch: last value, checks, fires.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_escalation

  Escalation chain: webhook, then after N seconds the next step, until acknowledged.

  Parameters:

  • steps (required) — array — steps: {webhook, apprise_url, wait_seconds}
  • days — number
  • subject — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_resource

  Status of any resource you hold the management token for.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• extend_resource

  Extend a resource TTL by paying again.

  Parameters:

  • id (required) — string
  • days — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• cancel_resource

  Cancel a resource early.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• export_resource

  Export everything under a resource before it expires.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• credit_balance

  Check the balance of your prepaid credit token.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_subtoken

  Mint a spend-capped child token for a sub-agent.

  Parameters:

  • cap_usd (required) — number — hard spend cap
  • days — number
  • label — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_prices

  Machine-readable price list for every ZenVault service, in USD.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• request_feature

  Tell the operator what ZenVault is missing. Free.

  Parameters:

  • what (required) — string — what you need
  • why — string — why
  • would_pay — string — would you pay, how much

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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