io.github.theluckystrike/label
REMOTE · MCP.ZOVO.ONE · 2 COMPONENTS · SCANNED SEP 30
Generate barcode and QR labels offline for products, packages and assets.
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 Security94
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token. View diagnostics → Pass
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
- The authorisation server offers only Dynamic Client Registration (RFC 7591), which MCP 2026-07-28 deprecated in favour of Client ID Metadata Documents. View diagnostics → Partial
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability77
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 2498 tokens (~227/item across 11 items; 10 tools + 1 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
- Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 10 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 11 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the io.github.theluckystrike/label MCP server?
io.github.theluckystrike/label is a hosted endpoint at https://mcp.zovo.one/mcp/label, 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 · mcp.zovo.one
claude mcp add --transport http theluckystrike-label 'https://mcp.zovo.one/mcp/label'
{
"mcpServers": {
"theluckystrike-label": {
"url": "https://mcp.zovo.one/mcp/label"
}
}
} {
"servers": {
"theluckystrike-label": {
"type": "http",
"url": "https://mcp.zovo.one/mcp/label"
}
}
} [mcp_servers.theluckystrike-label] url = "https://mcp.zovo.one/mcp/label"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"theluckystrike-label": {
"type": "remote",
"url": "https://mcp.zovo.one/mcp/label",
"enabled": true
}
}
} openclaw mcp add theluckystrike-label --url 'https://mcp.zovo.one/mcp/label' --transport streamable-http
mcp_servers:
theluckystrike-label:
url: "https://mcp.zovo.one/mcp/label" {
"McpServers": {
"theluckystrike-label": {
"Transport": "http",
"Url": "https://mcp.zovo.one/mcp/label"
}
}
} assistant mcp add theluckystrike-label -t streamable-http -u 'https://mcp.zovo.one/mcp/label'
{
"mcpServers": {
"theluckystrike-label": {
"type": "http",
"url": "https://mcp.zovo.one/mcp/label"
}
}
} 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.
- 30 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.
- 28 Sept 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 26 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 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
- 24 Sept 26 +1
- Stability: unverified → 0.03 ▲ functional
- 23 Sept 26 79
First indexed and scored.
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 30 Sept 2026 · Probed https://mcp.zovo.one/mcp/label
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=zovo.one | CN=WE1,O=Google Trust Services,C=US | 2 Sept 2026 | 1 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | ef74739bd6e575bb13db69661e215324 |
| SANs: zovo.one, mcp.zovo.one, *.mcp.zovo.one | ||||||
| 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 mcp.zovo.one. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| one. | present | 64939 | 8 | Verified |
| zovo.one. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication Enforced and verified
The endpoint asked for a token and published valid RFC 9728 metadata describing how to get one.
| Result | Enforced and verified |
|---|---|
| Enforced | On tool calls |
| HTTP status | 200 |
WWW-Authenticate challenge Bearer realm="mcp.zovo.one", error="invalid_token", resource_metadata="https://mcp.zovo.one/.well-known/oauth-protected-resource"
Bearer realm="mcp.zovo.one", error="invalid_token", resource_metadata="https://mcp.zovo.one/.well-known/oauth-protected-resource"| Header | Value |
|---|---|
| strict-transport-security | max-age=15552000; includeSubDomains; preload |
| x-content-type-options | nosniff |
Protected resource metadata
| Document | https://mcp.zovo.one/.well-known/oauth-protected-resource |
|---|---|
| Retrieved | Yes |
| Resource | https://mcp.zovo.one |
| Authorisation server | https://mcp.zovo.one |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://mcp.zovo.one/mcp/label | Verified | 200 | |
| http (plaintext) | http://mcp.zovo.one/mcp/label | HTTPS enforced | 301 | https://mcp.zovo.one/mcp/label |
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 →
barcode_batch Barcodes in bulk ~292
Call this tool to draw many barcodes or QR codes at once from a list of rows, each with its own value and file name. Every row comes back as its own download link valid for one hour. Pro; the free tier does one code per call.
| Name | Type | Req | Description |
|---|---|---|---|
| format | string | – | svg (default, free) or png (Pro) |
| height | integer | – | Bar height in the same units (default 80) |
| items | array | yes | The rows to draw |
| module_width | integer | – | Width of the narrowest bar, in pixels or SVG units (default 2) |
| out_dir | string | – | Ignored on this hosted endpoint: there are no directories, and every row comes back as its own download link |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| stop_on_error | boolean | – | Stop at the first bad row instead of drawing the rest and reporting it (default false) |
| symbology | string | – | Default symbology for rows that do not name one (default code128) |
| text | boolean | – | Print the digits under the bars (default true) |
No output schema declared.
No examples provided.
barcode_create Barcode ~261
Call this tool to draw a linear barcode (code128, ean13, ean8, upca) as SVG, or PNG to out_path. A short EAN or UPC gets its check digit computed; a wrong one is refused, never redrawn. qr_create makes QR codes.
| Name | Type | Req | Description |
|---|---|---|---|
| format | string | – | svg (default, free) or png (Pro) |
| height | integer | – | Bar height in the same units (default 80) |
| module_width | integer | – | Width of the narrowest bar, in pixels or SVG units (default 2) |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| symbology | string | yes | code128 for any printable ASCII, ean13 and ean8 for retail products, upca for North American retail |
| text | boolean | – | Print the digits under the bars (default true) |
| value | string | yes | The data to encode. Digits only for EAN and UPC |
No output schema declared.
No examples provided.
code_list Codes generated ~100
List the codes this server generated, newest first, with what each carried and where it went, plus how much of the free 20 a month is used. Filter by kind. It reads the register, not the files.
| Name | Type | Req | Description |
|---|---|---|---|
| kind | string | – | Only rows of this kind: text, wifi, vcard, sepa, invoice, barcode or batch |
| limit | integer | – | How many rows to show, newest first (default 20) |
No output schema declared.
No examples provided.
invoice_payment_qr Payment QR for an invoice ~331
Call this tool for a SEPA payment QR from just an amount and reference: IBAN and name are read from the shared business profile, never asked for; pass invoice_id instead to take the amount from an invoice.
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Amount in EUR. Overrides the invoice total; required when there is no invoice to read |
| error_correction | string | – | L 7%, M 15% (default), Q 25%, H 30% of the code recoverable when damaged |
| format | string | – | svg (default, free) or png (Pro) |
| iban | string | – | Override the IBAN in the shared business profile |
| invoice_id | string | – | Invoice number, for example INV-2026-0007. Read from the invoice server's store if it is present |
| margin | integer | – | Quiet zone in modules, default 4, which is what the QR standard requires |
| name | string | – | Override the beneficiary name in the shared business profile |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| reference | string | – | Payment text, up to 140 characters. Defaults to the invoice number |
| size | integer | – | PNG width in pixels, 32 to 4000 (default 300). SVG scales without it |
No output schema declared.
No examples provided.
license_activate Activate license ~76
Turn Pro on for this connection with key, an MCPL1.<payload>.<signature> issued at checkout for this server or the bundle. Data under your token stays; a wrong or expired key changes nothing. license_status confirms it.
| Name | Type | Req | Description |
|---|---|---|---|
| key | string | yes | License key from checkout, MCPL1.<payload>.<signature> |
No output schema declared.
No examples provided.
license_status License status ~55
Report this endpoint's licence state for your token as JSON: the product, the tier free or pro, why it is not Pro, and the checkout URL. Call it to explain a free-tier refusal. No arguments, nothing changes.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
qr_create QR code ~240
Call this tool to turn text or a URL into a QR code: SVG inline, or a PNG at a pixel size to out_path (Pro). Returns version, module grid and payload size. Free: 20 codes a month on this server.
| Name | Type | Req | Description |
|---|---|---|---|
| error_correction | string | – | L 7%, M 15% (default), Q 25%, H 30% of the code recoverable when damaged |
| format | string | – | svg (default, free) or png (Pro) |
| margin | integer | – | Quiet zone in modules, default 4, which is what the QR standard requires |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| size | integer | – | PNG width in pixels, 32 to 4000 (default 300). SVG scales without it |
| text | string | yes | The text or URL the code carries |
No output schema declared.
No examples provided.
qr_payment_sepa SEPA payment QR code ~435
Call this tool for an EPC069-12 payment QR a euro banking app can scan. Amount and reference are enough: the beneficiary IBAN and name default to the shared business profile, never asked for.
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Amount in EUR, 0.01 to 999999999.99. Leave out and the payer types it |
| bic | string | – | Beneficiary BIC. Optional under EPC version 002 |
| currency | string | – | EUR only; any other value is refused, because EPC encodes a SEPA credit transfer |
| error_correction | string | – | L 7%, M 15% (default), Q 25%, H 30% of the code recoverable when damaged |
| format | string | – | svg (default, free) or png (Pro) |
| iban | string | – | Beneficiary IBAN. Defaults to the iban in the shared business profile (set once with the invoice server's business_set). Checked with ISO 7064 mod 97 and refused if it does not validate |
| margin | integer | – | Quiet zone in modules, default 4, which is what the QR standard requires |
| name | string | – | Beneficiary name, up to 70 characters. Defaults to the name in the shared business profile |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| purpose | string | – | Four-letter ISO 20022 purpose code, for example GDDS |
| reference | string | – | Structured creditor reference (RF...), up to 35. Use this OR remittance, never both |
| remittance | string | – | Free payment text, up to 140 characters, for example an invoice number |
| size | integer | – | PNG width in pixels, 32 to 4000 (default 300). SVG scales without it |
No output schema declared.
No examples provided.
qr_vcard Contact QR code ~357
Call this tool to make a QR code that adds a contact when scanned (vCard 3.0). For your own card pass nothing: name, phone, email and address default to the shared business profile, never asked for.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | – | Postal address, one line. Defaults to the shared business profile |
| string | – | Email address. Defaults to the shared business profile | |
| error_correction | string | – | L 7%, M 15% (default), Q 25%, H 30% of the code recoverable when damaged |
| format | string | – | svg (default, free) or png (Pro) |
| margin | integer | – | Quiet zone in modules, default 4, which is what the QR standard requires |
| name | string | – | Full name, for example Anna Kowalska. Defaults to the shared business profile's name; pass it only for someone else's card |
| note | string | – | Free note stored on the contact |
| org | string | – | Company or organisation |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| phone | string | – | Phone number, in the form it should be dialled. Defaults to the shared business profile |
| size | integer | – | PNG width in pixels, 32 to 4000 (default 300). SVG scales without it |
| title | string | – | Job title |
| url | string | – | Website |
No output schema declared.
No examples provided.
qr_wifi WiFi QR code ~301
Call this tool to make a QR code that joins a WiFi network when scanned: ssid, password and auth type, written to out_path or returned as SVG. Free: 20 codes a month. qr_create takes plain text or a URL.
| Name | Type | Req | Description |
|---|---|---|---|
| auth | string | – | WPA (default when a password is given), WEP, or nopass for an open network |
| error_correction | string | – | L 7%, M 15% (default), Q 25%, H 30% of the code recoverable when damaged |
| format | string | – | svg (default, free) or png (Pro) |
| hidden | boolean | – | True if the network does not broadcast its name |
| margin | integer | – | Quiet zone in modules, default 4, which is what the QR standard requires |
| out_path | string | – | Name for the downloaded file, e.g. acme-code. SVG is returned inline when this is left out; a PNG always comes back as a download link valid for one hour |
| overwrite | boolean | – | Replace a file of the same name already produced in this request (default false) |
| password | string | – | Passphrase. Leave out only for an open network |
| size | integer | – | PNG width in pixels, 32 to 4000 (default 300). SVG scales without it |
| ssid | string | yes | Network name, exactly as it appears |
No output schema declared.
No examples provided.
What is the io.github.theluckystrike/label MCP server?
io.github.theluckystrike/label is an MCP server listed in the public MCP registry as io.github.theluckystrike/label. Generate barcode and QR labels offline for products, packages and assets. This page covers its hosted endpoint (https://mcp.zovo.one/mcp/label).
Is the io.github.theluckystrike/label MCP server safe to use?
io.github.theluckystrike/label scores 83 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 io.github.theluckystrike/label MCP server expose?
io.github.theluckystrike/label exposes 10 tools: license_status, license_activate, qr_create, qr_wifi, qr_vcard, and 5 more. Their descriptions and schemas cost roughly 2,448 tokens of context every time the server is loaded.
Does the io.github.theluckystrike/label MCP server require authentication?
Yes. io.github.theluckystrike/label asked us for credentials when we connected, so you will need to authorise it in your MCP client before it can do anything.
Is the io.github.theluckystrike/label MCP server still maintained?
io.github.theluckystrike/label is still listed as active in the MCP registry. We last reached this channel on 30 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.