JotOak
REMOTE · JOTOAK.COM
Find published word searches, crosswords and mazes with matching Letter and A4 PDF files.
Available components
Last scanned (6 hours ago)
Scores higher than 47% of remote servers
Reachable. Last reached 18 Oct 2026.
Category Entertainment and Games
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 Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS enforcement could not be verified: the plaintext port answered with HTTP 403, which proves neither a plaintext path nor enforcement. View diagnostics → Unverified
- 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 Usability63
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 223 tokens (~111/item across 2 items; 2 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management10
- Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage86
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 50% of tool parameters carry a description.Partial
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 2 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
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.
- 18 Oct 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.
- 16 Oct 26 +1
- Stability: unverified → 0.03 ▲ functional
- 15 Oct 26 63
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 18 Oct 2026 · Probed https://jotoak.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=jotoak.com | CN=WE1,O=Google Trust Services,C=US | 12 Oct 2026 | 10 Jan 2027 | ECDSA 256 | ECDSA-SHA256 | 533018920005ed21138d12040ada3214 |
| SANs: jotoak.com | ||||||
| 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 jotoak.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| jotoak.com. | 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 |
| Header | Value |
|---|---|
| x-content-type-options | nosniff |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://jotoak.com/mcp | Verified | 200 | |
| http (plaintext) | http://jotoak.com/mcp | Inconclusive | 403 |
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 →
get_puzzle Get a published puzzle ~69
Get one exact published puzzle ID from search_puzzles: instructions, vocabulary or clues and real printable files. Each PDF includes its answer on page 2; no answer placements are returned in text.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | Exact id returned by search_puzzles. |
| paper | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| dataVersion | string | yes | – |
| result | object | yes | – |
| usage | string | yes | – |
| warnings | array | yes | – |
No examples provided.
search_puzzles Find printable puzzles ~154
Search JotOak's published word searches, crosswords and mazes. Returns real source pages and Letter/A4 PDF links. Word search options include difficulty, large print and holiday. No custom generation or math archive search.
| Name | Type | Req | Description |
|---|---|---|---|
| difficulty | string | – | Word searches only; no inferred difficulty for crosswords or mazes. |
| holiday | string | – | – |
| kind | string | – | – |
| largePrint | boolean | – | Word search typography option. |
| limit | integer | – | – |
| offset | integer | – | – |
| paper | string | – | Return only this PDF paper edition; both by default. |
| query | string | – | Match all words in a published title, description or word list; no personal information. |
| Name | Type | Req | Description |
|---|---|---|---|
| dataVersion | string | yes | – |
| items | array | yes | – |
| nextOffset | – | yes | – |
| total | integer | yes | – |
| warnings | array | yes | – |
No examples provided.
How do I install the JotOak MCP server?
JotOak is a hosted endpoint at https://jotoak.com/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 · jotoak.com
claude mcp add --transport http iyuyoung-jotoak 'https://jotoak.com/mcp'
What is the JotOak MCP server?
JotOak is an MCP server listed in the public MCP registry as io.github.iyuyoung/jotoak. Find published word searches, crosswords and mazes with matching Letter and A4 PDF files. This page covers its hosted endpoint (https://jotoak.com/mcp).
Is the JotOak MCP server safe to use?
JotOak scores 65 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 JotOak MCP server expose?
JotOak exposes 2 tools: search_puzzles, get_puzzle. Their descriptions and schemas cost roughly 223 tokens of context every time the server is loaded.
Does the JotOak MCP server require authentication?
No. We connected to JotOak without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the JotOak MCP server still maintained?
JotOak is still listed as active in the MCP registry. We last reached this channel on 18 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.