MCP, MCP server
Monzo Mcp
MCP server for the Monzo banking API.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
src/monzo_mcp/api.py, line 53
with urllib.request.urlopen(req, timeout=15) as resp: - SECRETS_PATH_DOTENV Low
Mentions a .env file.
scripts/check-no-data.sh, line 54
# (.env, .token-oauth, .token-v2), which an extension pattern misses entirely.
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
src/monzo_mcp/api.py, line 53
with urllib.request.urlopen(req, timeout=15) as resp:
src/monzo_mcp/auth.py, line 157
with urllib.request.urlopen(req, timeout=15) as resp:
src/monzo_mcp/auth.py, line 327
with urllib.request.urlopen(req, timeout=15) as resp:
Show more
AGENTS.md, line 83
**Two autouse fixtures in `tests/conftest.py` hold the "fully offline" claim, and neither is tidiness.** `_no_real_credentials` points every credential path, the config directory a
CONTRIBUTING.md, line 38
CI runs this on Linux, macOS and Windows. Tests are fully offline - no real API calls, no real tokens, and no reads of your own cache. Autouse fixtures in `tests/conftest.py` enfor
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
scripts/check-no-data.sh, line 54
# (.env, .token-oauth, .token-v2), which an extension pattern misses entirely.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 76a42b2a944d. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 76a42b2a944d42755066846ed7e1440a686f4105
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