QAmcp

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Directory / FinzData Workspace

FinzData Workspace

Q: Is FinzData Workspace MCP server safe?

QAmcp's test on 8 Nov 2026: None of the hidden-instruction wordings we know were found in its 8 tool descriptions. Its error messages showed no secrets or internal details. 3 of its 8 tools are labeled read-only; the others may change or send things. Overall it scored 84/100 on 8 Nov 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 finzdata.com · https://workspace.finzdata.com/mcp

Persistent AI workspace with FinzData built in: files, code runs and point-in-time market data.

8 tools✓ no account neededPricing: on their site

See pricing →Visit website

84 /100

PASS · WITH NOTES

Partial: 9 of 11 checks · 8 Nov 2026

Test it now for current results

At a glance

Runs where: On their server. What you send to it goes to them.
What you need: Nothing: it answered without a login
Tools: 8 tools
Its own safety labels: 3 read-only, 1 labeled as deleting or destroying, 4 labeled as changing things
Memory it takes: About 1,100 tokens of your AI's memory, just for its tool descriptions

Tokens are an estimate: the characters in its tool names, descriptions and inputs, divided by 4. The exact number depends on your AI model. Safety labels are what the server says about itself. From our latest test, 8 Nov 2026.

Is FinzData Workspace MCP server safe?

None of the hidden-instruction wordings we know were found in its 8 tool descriptions.
Its error messages showed no secrets or internal details.
3 of its 8 tools are labeled read-only; the others may change or send things.
Overall it scored 84/100 on 8 Nov 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 this test does not check

Its source code and packages.
What a tool quietly does behind the scenes, such as writing a file or calling another service.
Instructions hidden inside live tool answers. We only look for those in tool descriptions.
Hidden instructions worded in a way our list doesn't know yet.
Tools that could change something. Those are read, never run.

What QAmcp can and can't see · How to tell if an MCP server is safe · Hidden instructions · Prompt injection

Known security advisories

It lists no public code, so there is nothing to look up in GitHub Security Advisories or OSV.dev. QAmcp tests how a server behaves. It does not scan source code.

What it can do

8 tools, in the server's own words.

finzdata_get

Read-only GET request to the FinzData REST API (docs: https://finzdata.com/docs) with your key (for example /v1/prices/daily, /v1/futures/daily, /v1/gex/daily,…

strategy_listread-only

List public FinzData Hub strategies (momentum, trend, mean reversion, value, factor, AI Tournament).

strategy_run

Re-run a listed FinzData strategy exactly as published, on its full point-in-time history through end (default today), on the FinzData servers.

workspace_run

Run a JavaScript (ES module) program inside your workspace.

workspace_write

Write a text file in your FinzData Workspace (paths live under /workspace and persist between sessions; docs: https://finzdata.com/workspace).

workspace_readread-only

Read a text file from your FinzData Workspace (docs: https://finzdata.com/workspace).

workspace_listread-only

List a directory in your FinzData Workspace (default /workspace; docs: https://finzdata.com/workspace).

workspace_delete

Delete a file or directory in your FinzData Workspace (a per-key file store on Cloudflare; docs: https://finzdata.com/workspace).

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 (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Every tool is described
8 warnings
- !finzdata_get: Inputs with no description: path, params, save_to
- !strategy_list: Inputs with no description: sort, family, limit
- !strategy_run: Inputs with no description: slug, end
- !workspace_run: Inputs with no description: code, timeout_ms
- !workspace_write: Inputs with no description: path, content
- !workspace_read: Inputs with no description: path
- !workspace_list: Inputs with no description: path
- !workspace_delete: Inputs with no description: path
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !workspace_read: Labeled read-only, but its "path" input is a file path with no pattern, length limit or fixed choices. Make sure the server first resolves the real path (following links and encoded dots like %2e%2e), then refuses anything outside its folde
- !workspace_list: Labeled read-only, but its "path" input is a file path with no pattern, length limit or fixed choices. Make sure the server first resolves the real path (following links and encoded dots like %2e%2e), then refuses anything outside its folde
note
✓
ConnectsConnected in 263 ms
pass
✓
Lists its toolsFound 8 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Fast enough
All good
- ✓Connecting took 263 ms
- ✓Listing tools took 36 ms
pass
✓
No secrets leakedChecked 7 error messages: no secrets or internal details
pass
–
Tools work with good inputs
Not tested
- –strategy_list: Needs you to sign in, so it was not tested (not counted against the server)
- –workspace_read: Needs you to sign in, so it was not tested (not counted against the server)
- –workspace_list: Needs you to sign in, so it was not tested (not counted against the server)
- –finzdata_get: Not run: labeled as changing data
- –strategy_run: Not run: labeled as changing data
- –workspace_run: Not run: labeled as changing data
- –workspace_write: Not run: labeled as changing data
- –workspace_delete: Not run: labeled dangerous
not tested
–
Bad inputs give a clean error
Not tested
- –strategy_list: Needs you to sign in, so bad inputs were not tested
- –workspace_read: Needs you to sign in, so bad inputs were not tested
- –workspace_list: Needs you to sign in, so bad inputs were not tested
not tested
–
Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://workspace.finzdata.com/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-finzdata-workspace.svg)](https://qamcp.dev/s/com-finzdata-workspace.html)

Score over time

8 Nov 202684

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use FinzData Workspace, 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 tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.

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