ZenVault MCP server

• attested_fetchFree

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

• cancel_resourcewrite actionFree

  Cancel a resource early.

• check_approvalFree

  Check whether a human approved or denied your request.

• checkin_deadmanFree

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

• claim_operationFree

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

• collect_messagesFree

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

• counter_incrFree

  Increment a counter atomically.

• create_checkpointwrite actionFree

  Create a crash checkpoint store.

• create_counterwrite actionFree

  Create an atomic counter.

• create_deadmanwrite actionFree

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

• create_dripwrite actionFree

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

• create_escalationwrite actionFree

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

• create_frontdoorwrite actionFree

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

• create_idempotencywrite actionFree

  Create an idempotency/replay firewall.

• create_inboxwrite actionFree

  Public URL that buffers inbound webhooks until you collect them.

• create_linkwrite actionFree

  Create an expiring share link with click stats.

• create_queuewrite actionFree

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

• create_schedulewrite actionFree

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

• create_subtokenwrite actionFree

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

• create_vaultwrite actionFree

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

• create_wakeupwrite actionFree

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

• create_watchwrite actionFree

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

• credit_balanceFree

  Check the balance of your prepaid credit token.

• delayed_deliveryFree

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

• export_resourceFree

  Export everything under a resource before it expires.

• extend_resourceFree

  Extend a resource TTL by paying again.

• get_resourceFree

  Status of any resource you hold the management token for.

• guaranteed_deliverywrite actionFree

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

• kv_getFree

  Read a value from a vault.

• kv_listFree

  List keys in a vault.

• kv_setFree

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

• list_pricesFree

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

• load_checkpointFree

  Load the latest saved checkpoint state.

• notarizeFree

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

• notify_humanwrite actionFree

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

• publish_pagewrite actionFree

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

• queue_ackFree

  Acknowledge (or nack) a leased job.

• queue_leaseFree

  Lease the next job from a queue.

• queue_pushFree

  Push a job onto a queue.

• request_approvalFree

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

• request_featureFree

  Tell the operator what ZenVault is missing. Free.

• save_checkpointFree

  Save run state so you can resume after a crash.

• store_secretFree

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

• watch_statusFree

  Check a watch: last value, checks, fires.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 2475ms17/20
• Tool poisoning44 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 19 write-action tools with no auth3/15
• Maintenanceno repository listed3/15
• Maintainer identityverified namespace with website, no repo4/10

ZenVault: common questions

Is ZenVault MCP server safe?

With care: it is graded C, so read the findings first (56/100). Read the ZenVault safety report

How do I install ZenVault?

It runs remotely at api.zenvault.eu. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.

Does ZenVault need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is ZenVault maintained?

The latest release is v1.0.2.

Is ZenVault up?

100% of our last 20 checks got an answer. We check remote servers about four times a day.