MCP, MCP server
io.github.Blite-HQ/qnexus-mcp
A community Model Context Protocol (MCP) server for Quantinuum Nexus, wrapping the official qnexus Python SDK so any MCP-speaking agent (Claude Code, Cursor, VS Code, Codex, …) can inspect Nexus and,
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 9ec6e5e5ff9b, unchanged since the check below.
SECRETS_PATH_CREDENTIAL
Why this grade
- SECRETS_PATH_CREDENTIAL Medium
Mentions a credential store path (~/.ssh, id_rsa, .npmrc, .aws/credentials, credentials.json, .netrc).
docs/DESIGN.md, line 208
| **Tool poisoning / line-jumping / rug pull** | Tool descriptions enter LLM context at `tools/list` before any call (Invariant Labs PoC exfiltrated `~/.ssh/id_rsa`) | Clean, stati
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
Pass
No network call found.
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_CREDENTIAL SECRETS_PATH_DOTENV
.gitignore, line 1
.venv/
.gitignore, line 2
.env
docs/DESIGN.md, line 208
| **Tool poisoning / line-jumping / rug pull** | Tool descriptions enter LLM context at `tools/list` before any call (Invariant Labs PoC exfiltrated `~/.ssh/id_rsa`) | Clean, stati
Show more
docs/research/02-security-and-authorization.md, line 60
Invariant Labs PoC used a poisoned description to exfiltrate `~/.ssh/id_rsa`. Injection also arrives via
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 9ec6e5e5ff9b. 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: 9ec6e5e5ff9b73c338fa274582d2e16f588a045a
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