QAmcp

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Directory / Canvas64

Canvas64

Q: Is Canvas64 MCP server safe?

QAmcp's test on 29 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. All 5 of its tools are labeled read-only. Overall it scored 90/100 on 29 Oct 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by canvas64.com · https://canvas64.com/api/mcp

A wall of 64 ad cells on Base: owners, prices, royalties, and purchases your own wallet signs.

5 tools✓ all read-only✓ no account neededPricing: not listed

Visit website

90 /100

PASS · WITH NOTES

11 of 11 checks · 29 Oct 2026

Is Canvas64 MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 5 of its tools are labeled read-only.
Overall it scored 90/100 on 29 Oct 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

5 tools, in the server's own words.

get_wallread-only

All 64 cells of the Canvas64 wall, A1 to H8: who owns each (name and wallet), its step, what it was bought for, what buying it out costs now, and the owner's l…

get_cellread-only

One cell by its address (A1 to H8): owner, step, price paid, the price to claim or buy it out now, what the buyer gets when they are bought out in turn, their …

quoteread-only

The Canvas64 price model for one step of any cell: its price, what its owner gets when bought out, their royalty on every later sale, and optionally how much t…

prepare_buyread-only

Prepares the purchase of one cell (A1 to H8) for the buyer's own wallet: the price read from the contract now, and the unsigned transactions on Base that the w…

get_rulesread-only

The rules of Canvas64 in a few quotable sentences: the price formula, the payout, the royalty, the contract and network, the services a cell links to, the audi…

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Bad inputs give a clean error
1 warning
- !get_wall: Accepted wrong type for "filter" without complaining
- and 4 more
note
✓
ConnectsConnected in 367 ms
pass
✓
Lists its toolsFound 5 tools
pass
✓
Every tool is describedAll 5 tools and their inputs are described
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓get_wall: Worked (803 ms)
- ✓get_cell: Answered with an error, probably because of our sample input: cell is an address from A1 to H8, such as D4
- ✓quote: Worked (16 ms)
- ✓get_rules: Worked (49 ms)
- –prepare_buy: Not run: labeled read-only, but its description says "sends", which usually means it changes something. Skipped to be safe: if it only reads, a clearer description helps AI apps too, or test again with --owner
pass
✓
Fast enough
All good
- ✓Connecting took 367 ms
- ✓Listing tools took 38 ms
- ✓Average tool answer: 231 ms
- ✓get_wall: Slowest tool: get_wall (803 ms)
pass
✓
No secrets leakedChecked 5 error messages: no secrets or internal details
pass
✓
Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
pass
–
Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://canvas64.com/api/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-canvas64-wall.svg)](https://qamcp.dev/s/com-canvas64-wall.html)

Score over time

29 Oct 202690

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Canvas64, signed in with GitHub, one per person. Reviews never change the score.

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.

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