MCP, MCP server
Mcp Playground
A Streamlit-based playground that lets you chat with large language models and seamlessly plug in external Multi-Server Command Protocol (MCP) tools.
Compatibility: Not stated.
Grade C
One Medium finding. Read the report before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
INSTALL_REMOTE_SCRIPT
Why this grade
- INSTALL_REMOTE_SCRIPT Medium
Fetches a script from the network and runs it (a pipe to a shell, or an install hook with a URL).
client/Dockerfile, line 23
RUN curl -LsSf https://astral.sh/uv/install.sh | sh
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
Serious
install fetches a script from the network.
INSTALL_REMOTE_SCRIPT
client/Dockerfile, line 23
RUN curl -LsSf https://astral.sh/uv/install.sh | sh
servers/server1/Dockerfile, line 23
RUN curl -LsSf https://astral.sh/uv/install.sh | sh
servers/server2/Dockerfile, line 23
RUN curl -LsSf https://astral.sh/uv/install.sh | sh
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
servers/server1/main.py, line 20
response = requests.get(url)
servers/server1/main.py, line 54
response = requests.get(url)
servers/server2/main.py, line 26
response = requests.get(url)
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
.gitignore, line 85
# .env*.local
.gitignore, line 86
# .env.prod
.gitignore, line 93
next-env.d.ts
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
client/uv.lock, line 1
version = 1
Licence
Note
no licence file found.
LICENCE_MISSING
No file path was stored.
no licence file found.
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 868467f23579. install fetches a script from the network. 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. no licence file found.
Date and source
Date checked:
github.com
Commit graded: 868467f235797ed7c2894b35fd6f2a42e2896549
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