cirq-core

PyPI

Is cirq-core safe to use?

Based on the latest brin safety scan, no vulnerabilities or threats were detected for cirq-core v1.6.1. Trust score: 95/100. No known CVE vulnerabilities, no detected threat patterns, and no suspicious capabilities identified. This is an automated, point-in-time assessment.

Install (safety-checked)

cirq-core 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.

cirq-core Capabilities & Permissions

What cirq-core 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.

algassert.comarxiv.orgcp-algorithms.comdocs.python.orgdocs.scipy.orgdoi.orgen.wikipedia.orggithub.comiopscience.iop.orgmatplotlib.org+10 more
Protocols: http, https

Filesystem Access

Reads and writes to the filesystem.

.env (r).env (r)setup.py (r).env (r)/tmp/ (rw).env (rw).env (rw).env (rw)

Process Spawning

This package can spawn child processes.

Environment Variables

Accesses the following environment variables.

ALLOW_DEPRECATION_IN_TESTCIRQ_TESTING

Native Modules

Contains native code that runs outside the JavaScript sandbox.

numpypandasscipy

AGENTS.md for cirq-core

Good instructions lead to good results. brin adds cirq-core 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 →

cirq-core Documentation & Source Code

For the full cirq-core README, API documentation, and source code, visit the official package registry.

Frequently asked questions about cirq-core safety

Weekly Downloads

55.7K

Version

1.6.1

Last Scanned

Feb 9, 2026

Trust Score

95/100·Legitimacy signals, not safety

Capabilities

Network

Connects to: algassert.com, arxiv.org, cp-algorithms.com...

Filesystem

Reads & Writes files

Process

Spawns child processes

Environment

Accesses: ALLOW_DEPRECATION_IN_TEST, CIRQ_TESTING

Native

Contains native modules

Is cirq-core Safe? | PyPI Safety Scan - brin