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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

GridSmith Puzzle Maker

By theluckystrike

Crossword, word search, sudoku

WebsiteSource codeSearch & web data
Connect to GridSmith Puzzle Maker
Checks passed
12 / 22

2 failed · 8 not measured

Median response
103 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
3

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
222

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 103 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name puzzle-maker.

  • Pass
    Lists tools

    tools/list returned 3 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 103 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 103 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    14 of 14 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Fail
    Repo owner matches

    The GitHub repository owner does not match the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-22T05:47:02.46107Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using GridSmith Puzzle Maker

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http gridsmith-puzzle-maker https://puzzle-maker.zovo.one/mcp

Capabilities

Tools 3

generate_crossword

Use this when the user wants a crossword puzzle (crossword maker, crossword puzzle maker, crossword for a class or a vocabulary list) built from answers and clues. Builds a valid interlocking grid with standard numbering and Across/Down clue lists, reports any answers that could not be placed, shows a playable crossword, and returns a printable PDF with an answer key. Needs 4-40 answer-and-clue pairs; if the user gives only words, write a short clue for each first. Answers are reduced to letters A-Z. Does not solve existing crosswords or answer single clues, and does not make symmetric newspaper-style grids.

Discovered
generate_sudoku

Use this when the user wants a new sudoku puzzle to play or print (sudoku generator, printable sudoku with answers, easy sudoku for kids, hard sudoku). Generates a classic 9x9 sudoku at easy, medium or hard difficulty, checked by a solver for a single solution, playable in the chat with pencil notes, plus a printable PDF with the answer key. Does not solve a sudoku the user already has, explain solving strategies, or make 4x4, 6x6 or variant sudoku.

Discovered
generate_word_search

Use this when the user wants a word search puzzle (word find, word search maker, printable word search for kids or a class) from a list of words. Accepts 5-40 words for a letter grid: right and down for easy, adding diagonals for medium, all 8 directions including backwards for hard; checks placed words for duplicate occurrences and reports words left out. Shows a playable puzzle and returns a printable PDF with an answer key. Not for crosswords (use generate_crossword) and does not find words in a grid the user already has.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected103 ms3

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