ZenVault
REMOTE · API.ZENVAULT.EU · SCANNED SEP 28
Wake-ups, webhook inboxes, TTL memory, watches and human approval for agents. Paid per call.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security57
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 44 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability75
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 2067 tokens (~46/item across 44 items; 44 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage84
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 53% of tool parameters carry a description.Partial
Tool Safety75
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- 0 of 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation; "publish_page" implies "publish" and declares no destructiveHint at all, which the MCP spec reads as destructive by default. See how to fix → Fail
- An AI judge read all 45 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities20
- Spec-recency check failed: implements MCP spec 2024-11-05; the latest is 2026-07-28. See how to fix → Fail
How do I install the ZenVault MCP server?
ZenVault is a hosted endpoint at https://api.zenvault.eu/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · api.zenvault.eu
claude mcp add --transport http eu-zenvault-zenvault 'https://api.zenvault.eu/mcp'
{
"mcpServers": {
"eu-zenvault-zenvault": {
"url": "https://api.zenvault.eu/mcp"
}
}
} {
"servers": {
"eu-zenvault-zenvault": {
"type": "http",
"url": "https://api.zenvault.eu/mcp"
}
}
} [mcp_servers.eu-zenvault-zenvault] url = "https://api.zenvault.eu/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"eu-zenvault-zenvault": {
"type": "remote",
"url": "https://api.zenvault.eu/mcp",
"enabled": true
}
}
} openclaw mcp add eu-zenvault-zenvault --url 'https://api.zenvault.eu/mcp' --transport streamable-http
mcp_servers:
eu-zenvault-zenvault:
url: "https://api.zenvault.eu/mcp" {
"McpServers": {
"eu-zenvault-zenvault": {
"Transport": "http",
"Url": "https://api.zenvault.eu/mcp"
}
}
} assistant mcp add eu-zenvault-zenvault -t streamable-http -u 'https://api.zenvault.eu/mcp'
{
"mcpServers": {
"eu-zenvault-zenvault": {
"type": "http",
"url": "https://api.zenvault.eu/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 28 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 25 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 4 Sept 26 0
- Stability: fail → pass ▲ security
- 3 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 94 to 98.
- 31 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 84 to 88.
- 26 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 11 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 5 Aug 26 0
- Stability: unverified → fail ▼ security
- A breaking change shipped without a version bump: still 1.0.0 ▼ security
- Tool “get_trial_credit” was removed ▼ security
- The server rewrote its instructions, which are the text every model session reads security
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 28 Sept 2026 · Probed https://api.zenvault.eu/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=zenvault.eu | CN=WE1,O=Google Trust Services,C=US | 10 Sept 2026 | 9 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | 806430de4d6ea0810e2d0a462c45cced |
| SANs: zenvault.eu, *.zenvault.eu | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of api.zenvault.eu. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| eu. | present | 35926 | 8 | Verified |
| zenvault.eu. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://api.zenvault.eu/mcp | Verified | 200 | |
| http (plaintext) | http://api.zenvault.eu/mcp | HTTPS enforced | 308 | https://api.zenvault.eu/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
attested_fetch ~47
Fetch a URL and return content plus a signed receipt binding url, status, content hash and time.
| Name | Type | Req | Description |
|---|---|---|---|
| include_content | boolean | – | – |
| url | string | yes | URL to fetch |
No output schema declared.
No examples provided.
cancel_resource ~20
Cancel a resource early.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
No output schema declared.
No examples provided.
check_approval ~28
Check whether a human approved or denied your request.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | approval id |
No output schema declared.
No examples provided.
checkin_deadman ~34
Check in to a dead-man switch so it does not fire.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | dead-man switch id |
No output schema declared.
No examples provided.
claim_operation ~39
Idempotency firewall: claim an operation id exactly once across runs.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | firewall id |
| operation_id | string | yes | – |
No output schema declared.
No examples provided.
collect_messages ~42
Collect buffered messages from an inbox, bin, front door or form.
| Name | Type | Req | Description |
|---|---|---|---|
| all | boolean | – | include already-collected |
| id | string | yes | resource id |
No output schema declared.
No examples provided.
counter_incr ~29
Increment a counter atomically.
| Name | Type | Req | Description |
|---|---|---|---|
| by | number | – | – |
| id | string | yes | – |
No output schema declared.
No examples provided.
create_checkpoint ~21
Create a crash checkpoint store.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
No output schema declared.
No examples provided.
create_counter ~27
Create an atomic counter.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| start | number | – | – |
No output schema declared.
No examples provided.
create_deadman ~67
Dead-man switch: if you stop checking in, we fire your alert webhook.
| Name | Type | Req | Description |
|---|---|---|---|
| apprise_url | string | – | optional human notification target |
| days | number | – | – |
| interval_seconds | number | – | max time between check-ins |
| url | string | yes | alert webhook |
No output schema declared.
No examples provided.
create_drip ~54
Dump up to 100 items now; we deliver them to your webhook at a fixed rate.
| Name | Type | Req | Description |
|---|---|---|---|
| items | array | yes | items to drip |
| rate_seconds | number | – | – |
| url | string | yes | webhook |
No output schema declared.
No examples provided.
create_escalation ~61
Escalation chain: webhook, then after N seconds the next step, until acknowledged.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| steps | array | yes | steps: {webhook, apprise_url, wait_seconds} |
| subject | string | – | – |
No output schema declared.
No examples provided.
create_frontdoor ~54
Durable front door: buffers webhooks and forwards them to your gateway with retry-until-ack.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| replay_hours | number | – | – |
| target | string | yes | your gateway URL |
No output schema declared.
No examples provided.
create_idempotency ~26
Create an idempotency/replay firewall.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
No output schema declared.
No examples provided.
create_inbox ~37
Public URL that buffers inbound webhooks until you collect them.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | prepaid days |
| label | string | – | – |
No output schema declared.
No examples provided.
create_link ~34
Create an expiring share link with click stats.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| target | string | yes | destination URL |
No output schema declared.
No examples provided.
create_queue ~45
Pull-based work queue with leases; timed-out leases requeue.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| lease_seconds | number | – | – |
| max_attempts | number | – | – |
No output schema declared.
No examples provided.
create_schedule ~66
Recurring webhook on a cron expression until the prepaid days run out.
| Name | Type | Req | Description |
|---|---|---|---|
| cron | string | yes | cron expression, e.g. 0 7 * * * |
| days | number | – | prepaid days |
| payload | object | – | – |
| url | string | yes | webhook URL |
No output schema declared.
No examples provided.
create_subtoken ~47
Mint a spend-capped child token for a sub-agent.
| Name | Type | Req | Description |
|---|---|---|---|
| cap_usd | number | yes | hard spend cap |
| days | number | – | – |
| label | string | – | – |
No output schema declared.
No examples provided.
create_vault ~35
Create a key-value namespace with TTL that survives your runs.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| label | string | – | – |
No output schema declared.
No examples provided.
create_wakeup ~66
Schedule a webhook call at a future time (one-shot). Your agent can die; the call still happens.
| Name | Type | Req | Description |
|---|---|---|---|
| at | string | yes | ISO-8601 time to fire |
| payload | object | – | JSON to include |
| url | string | yes | webhook URL to call |
No output schema declared.
No examples provided.
create_watch ~191
Watch something and fire your webhook when it changes. Types: change, keyword, regex, structured, drift, redirect, sitemap, staleness, rss, dns, port, cert, heartbeat.
| Name | Type | Req | Description |
|---|---|---|---|
| confirmations | number | – | fire only after N consecutive hits |
| days | number | – | – |
| domain | string | – | for cert watch |
| host | string | – | – |
| interval_seconds | number | – | – |
| json | boolean | – | – |
| keyword | string | – | – |
| name | string | – | DNS name |
| pattern | string | – | regex |
| percent | number | – | drift threshold |
| port | number | – | – |
| record | string | – | DNS record type |
| selector | string | – | CSS selector or JSON path |
| type | string | yes | watch type |
| url | string | – | URL to watch |
| webhook | string | yes | called on change |
No output schema declared.
No examples provided.
credit_balance ~17
Check the balance of your prepaid credit token.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
delayed_delivery ~52
Hand over a payload now; we POST it to the target at a future moment.
| Name | Type | Req | Description |
|---|---|---|---|
| at | string | yes | ISO-8601 |
| payload | object | – | – |
| url | string | yes | target URL |
No output schema declared.
No examples provided.
export_resource ~24
Export everything under a resource before it expires.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
No output schema declared.
No examples provided.
extend_resource ~30
Extend a resource TTL by paying again.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| id | string | yes | – |
No output schema declared.
No examples provided.
get_resource ~26
Status of any resource you hold the management token for.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
No output schema declared.
No examples provided.
guaranteed_delivery ~39
POST a payload to a URL, retried with backoff until it succeeds.
| Name | Type | Req | Description |
|---|---|---|---|
| payload | object | – | – |
| url | string | yes | target |
No output schema declared.
No examples provided.
kv_get ~31
Read a value from a vault.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | vault id |
| key | string | yes | – |
No output schema declared.
No examples provided.
kv_list ~23
List keys in a vault.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | vault id |
No output schema declared.
No examples provided.
kv_set ~43
Store a value in a vault (max 1 MB).
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | vault id |
| key | string | yes | – |
| value | string | yes | – |
No output schema declared.
No examples provided.
list_prices ~21
Machine-readable price list for every ZenVault service, in USD.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
load_checkpoint ~22
Load the latest saved checkpoint state.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
No output schema declared.
No examples provided.
notarize ~52
Signed proof that a hash (or your data) existed at this moment.
| Name | Type | Req | Description |
|---|---|---|---|
| data | string | – | raw data to hash instead |
| note | string | – | – |
| sha256 | string | – | hex digest |
No output schema declared.
No examples provided.
notify_human ~71
Send a message to a human on Telegram, Discord, Slack, ntfy, email and 100+ other services (apprise URL is used once, never stored).
| Name | Type | Req | Description |
|---|---|---|---|
| apprise_url | string | yes | apprise target URL |
| body | string | yes | message |
| title | string | – | – |
No output schema declared.
No examples provided.
publish_page ~48
Publish an HTML page at name.zenvault.eu for N days.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| html | string | yes | page HTML |
| name | string | – | subdomain name |
No output schema declared.
No examples provided.
queue_ack ~43
Acknowledge (or nack) a leased job.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | – | – |
| id | string | yes | queue id |
| job_id | string | yes | – |
No output schema declared.
No examples provided.
queue_lease ~26
Lease the next job from a queue.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | queue id |
No output schema declared.
No examples provided.
queue_push ~33
Push a job onto a queue.
| Name | Type | Req | Description |
|---|---|---|---|
| body | string | yes | job payload |
| id | string | yes | queue id |
No output schema declared.
No examples provided.
request_approval ~91
Ask a human to approve or deny an action; returns a URL for them and a signed verdict for you. Times out as denied.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | what you want to do |
| apprise_url | string | – | ping the human here |
| detail | string | – | context for the human |
| timeout_seconds | number | – | – |
| webhook | string | – | called with the verdict |
No output schema declared.
No examples provided.
request_feature ~51
Tell the operator what ZenVault is missing. Free.
| Name | Type | Req | Description |
|---|---|---|---|
| what | string | yes | what you need |
| why | string | – | why |
| would_pay | string | – | would you pay, how much |
No output schema declared.
No examples provided.
save_checkpoint ~37
Save run state so you can resume after a crash.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | checkpoint id |
| state | string | yes | serialized state |
No output schema declared.
No examples provided.
store_secret ~41
Store a value that self-destructs on first read; returns a one-time read URL.
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | – |
| value | string | yes | – |
No output schema declared.
No examples provided.
watch_status ~26
Check a watch: last value, checks, fires.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
No output schema declared.
No examples provided.
What is the ZenVault MCP server?
ZenVault is an MCP server listed in the public MCP registry as eu.zenvault/zenvault. Wake-ups, webhook inboxes, TTL memory, watches and human approval for agents. Paid per call. This page covers its hosted endpoint (https://api.zenvault.eu/mcp).
Is the ZenVault MCP server safe to use?
ZenVault scores 72 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the ZenVault MCP server expose?
ZenVault exposes 44 tools: create_wakeup, create_schedule, create_deadman, checkin_deadman, delayed_delivery, and 39 more. Their descriptions and schemas cost roughly 1,917 tokens of context every time the server is loaded.
Does the ZenVault MCP server require authentication?
No. We connected to ZenVault without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the ZenVault MCP server still maintained?
ZenVault is still listed as active in the MCP registry. We last reached this channel on 28 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.