MCP, MCP server
Yahoo Finance Mcp
Yahoo Finance Mcp, an MCP server listed in the PlugVet directory.
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 OBFUSCATION_FILE_OVER_READ_CAP
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
containers/images/yahoo-finance-mcp/Dockerfile, line 86
CMD python -c "import os, socket; socket.create_connection(('127.0.0.1', int(os.environ.get('YF_MCP_PORT', '8000'))), 3).close()" || exit 1 - SECRETS_PATH_DOTENV Low
Mentions a .env file.
CLAUDE.md, line 56
production/ # compose.yaml + Caddyfile + .env.example, the published image - OBFUSCATION_FILE_OVER_READ_CAP Note
A file was over the read cap and was not fully read.
uv.lock, line 1
version = 1
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
containers/images/yahoo-finance-mcp/Dockerfile, line 86
CMD python -c "import os, socket; socket.create_connection(('127.0.0.1', int(os.environ.get('YF_MCP_PORT', '8000'))), 3).close()" || exit 1
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
CLAUDE.md, line 56
production/ # compose.yaml + Caddyfile + .env.example, the published image
.dockerignore, line 15
# Local secrets never belong in the build context, not even the template
.dockerignore, line 16
.env
Show more
.dockerignore, line 21
# with an .env beside them that may carry a token.
.github/workflows/ci.yml, line 173
--env-file containers/production/.env.example --profile https \
.gitignore, line 24
# Local secrets. An .env beside a compose file in containers/ holds values
.gitignore, line 26
# The patterns carry no slash, so they match in every folder.
.gitignore, line 27
.env
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Note
a file was over the read cap and was not fully read.
OBFUSCATION_FILE_OVER_READ_CAP
uv.lock, line 1
version = 1
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 e15148dc91d6. can reach a host that is not written as a fixed address. reads a credential or environment file. a file was over the read cap and was not fully read.
Date and source
Date checked:
github.com
Commit graded: e15148dc91d65f71d2afd935e679c8da2a9230ae
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