brin
brin

cwltool

PyPI

Is cwltool safe to use?

Based on the latest brin safety scan, no vulnerabilities or threats were detected for cwltool v3.1.20260108082145. Trust score: 85/100. No known CVE vulnerabilities, no detected threat patterns, and no suspicious capabilities identified. This is an automated, point-in-time assessment.

Install (safety-checked)

cwltool Passed Security Checks

No security concerns detected

clean
CVEs

0

Threats

0

Install Scripts

0

No Concerns Detected

No security concerns detected in the latest brin assessment. This is an automated, point-in-time evaluation — security posture may change.

This is an automated, point-in-time assessment and may contain errors. Findings are risk indicators, not confirmed threats. Security posture may change over time. Maintainers can dispute findings via the brin review process.

cwltool Capabilities & Permissions

What cwltool can access when installed. Review these capabilities before using with AI agents like Cursor, Claude Code, or Codex.

Network Access

This package makes network requests.

ORCID.ORGarvados.orgbad.example.comcommonwl.orgcwl-utils.readthedocs.iodockstore.orgdocs.docker.comdocs.python.orgdoi.orgedamontology.org+25 more
Protocols: http, https

Filesystem Access

Reads and writes to the filesystem.

/usr/ (r)/usr/ (r).env (r)~/.config (rw).env (rw).env (rw).env (rw)/tmp/ (rw)+31 more

Process Spawning

This package can spawn child processes.

bashrm

Environment Variables

Accesses the following environment variables.

APPTAINER_TMPDIRCWLTOOL_FORCE_SHELL_POPENCWLTOOL_OPTIONSCWLTOOL_USE_MYPYCCWL_FULL_NAMECWL_SINGULARITY_CACHECWL_SINGULARITY_IMAGESDEBUGDOCKER_MACHINE_NAMEHOME+19 more

AGENTS.md for cwltool

Good instructions lead to good results. brin adds cwltool documentation to your AGENTS.md so your agent knows how to use it properly—improving both safety and performance.

brin init

Vercel's research: 100% accuracy with AGENTS.md vs 53% without →

cwltool Documentation & Source Code

For the full cwltool README, API documentation, and source code, visit the official package registry.

View on PyPI

Frequently asked questions about cwltool safety

Weekly Downloads

70.6K

Version

3.1.20260108082145

Last Scanned

Feb 10, 2026

Trust Score

85/100·Legitimacy signals, not safety

Capabilities

Network

Connects to: ORCID.ORG, arvados.org, bad.example.com...

Filesystem

Reads & Writes files

Process

Spawns child processes

Environment

Accesses: APPTAINER_TMPDIR, CWLTOOL_FORCE_SHELL_POPEN, CWLTOOL_OPTIONS...