Versioned security assessment

Report ID: SA-5F6A73A2

6/30/2026, 5:41:36 AM

anndata security assessment v5

Skill Security Certification Report

Audit History
Audit model: codex Historical report
Skill name
anndata
Version
v5
Maintainer
K-Dense-AI
Source
github.com/K-Dense-AI/claude-scientific-skills/tree/main/scientific-skills/anndata
Coverage
6 Files scanned · 2,560 Lines analyzed
Policy version
Unavailable

Confirmed finding summary

No confirmed security findings

The completed audit recorded no confirmed security findings. This is not proof that the Skill has no side effects.

Installation context

Historical evidence

This report may not describe the currently installable artifact. Open the current Skill page for install guidance.

Open current Skill page

This report does not block or authorize the manifest or ZIP.

Static analysis reported many command execution and high-severity keyword matches, but review found Markdown code fences and AnnData examples rather than executable shell logic. The real risk is low and limited to legitimate local file I/O and optional remote dataset loading examples. No prompt injection, credential access, exfiltration, obfuscation, or malicious intent was found.

Report position

Historical report

Open audit history before using this report to install.

Audit attestation

Not attestable

The required immutable binding is incomplete.

Human verification

Not verified

No human verification is recorded for this report.

Coverage

6 Files scanned · 2,560 Lines analyzed

2 items shown for review

Limitations

This report does not claim runtime or sandbox execution and does not prove the absence of side effects.

Evidence chain

Follow the evidence from source binding to the install contract. Available evidence supports verification; it is not a safety guarantee.

  1. Source

    Binding unavailable

  2. Artifact

    Identity incomplete

  3. Audit

    Complete

  4. Install contract

    Open manifest to verify

    Open manifest

Capabilities observed

Observed means this report recorded supporting evidence. Not recorded does not prove that a capability is absent.

Contains scripts

May execute code included with the Skill.

Not recorded by this audit

Network access

May connect to external services.

Observed in 3 evidence locations

Filesystem access

May read or write local files.

Observed in 4 evidence locations

Env variables

May read values from the process environment.

Not recorded by this audit

External commands

May invoke commands or programs outside the Skill.

Not recorded by this audit

Capability review items (2)
Low
references/io_operations.md:74-84references/io_operations.md:283-294
LOW: Remote dataset access examples require trusted sources
The skill demonstrates fsspec and urllib access to example dataset URLs. This is legitimate AnnData I/O guidance, but users should only load trusted remote files.
The code shows real network-capable APIs, but the endpoint is example.com and no secrets are collected or transmitted. The behavior is consistent with documented AnnData remote I/O.
Low
SKILL.md:60-84references/io_operations.md:10-31references/io_operations.md:220-228references/concatenation.md:296-311
LOW: Local file read and write examples need normal user consent
The skill includes examples for reading, writing, appending, and converting local h5ad, zarr, CSV, HDF5, and related files. These are core AnnData functions, not hidden filesystem access.
The referenced lines directly show local AnnData file operations. They are transparent examples for user-requested data work, with no evidence of stealthy access.

Risk findings

Confirmed security concerns are separated from items that still need review.

No confirmed security findings were recorded for this completed audit.

Expert evidence

Immutable subject identity, scanner metadata, dismissed matches, and source-level evidence.

Artifact subject

Marketplace commit
Unavailable
Content hash
Unavailable
Tree hash
Unavailable
Skill path
Unavailable
Audit payload hash
Unavailable

Analysis metadata

Audit model: codex

Analysis state: Complete

Scope is limited to the recorded files, lines, methods, and evidence. No runtime or sandbox execution is claimed.

Static false positives ignored (2)
Low
SKILL.md:28-33SKILL.md:127-138references/io_operations.md:10-22references/concatenation.md:148-153
FALSE POSITIVE: Markdown code fences classified as shell execution
The external_commands hits point to Markdown code fences and Python AnnData examples, not Ruby backtick execution. No shell command construction or user-controlled command execution was found.
Representative locations show Markdown fences and Python examples in documentation files. There is no executable wrapper, shell interpolation, or command runner in the reviewed files.
Low
references/concatenation.md:145-153references/best_practices.md:282-289references/data_structure.md:298-304
FALSE POSITIVE: Crypto, C2, and reconnaissance keyword matches are benign
High-severity keyword hits come from scientific metadata terms such as key, description, hash-like identifiers, and memory guidance. No weak cryptographic use, C2 behavior, or reconnaissance logic was found.
The sampled static locations contain AnnData metadata and memory-efficiency documentation. There are no cryptographic APIs, beaconing endpoints, or host-enumeration commands in context.

Verify and export

JSON report CITATION.cff SARIF 2.1.0 Signed installation manifest

The manifest and lockfile bind install artifacts to cryptographic hashes. This integrity claim is separate from the security assessment.

Audit attestation: not_attestable