crawl4ai

PyPI

Is crawl4ai safe to use?

Based on the latest brin safety scan, no vulnerabilities or threats were detected for crawl4ai v0.8.0. Trust score: 75/100. No known CVE vulnerabilities, no detected threat patterns, and no suspicious capabilities identified. This is an automated, point-in-time assessment.

Install (safety-checked)

crawl4ai 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.

crawl4ai Capabilities & Permissions

What crawl4ai 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.

127.0.0.1amazon.comanother.comapi.example.comapi.github.comapi.nstproxy.comapp.nstproxy.comblog.python.orgcrawl4ai.comcrawl4ai.uccode.io+38 more
Protocols: http, https, websocket

Filesystem Access

Reads and writes to the filesystem.

.env (rw).env (rw).env (rw).env (rw)setup.py (rw)pyproject.toml (rw)/usr/ (rw)/usr/ (rw)+3 more

Process Spawning

This package can spawn child processes.

Environment Variables

Accesses the following environment variables.

ANTHROPIC_API_KEYCRAWL4AI_MODECRAWL4_AI_BASE_DIRECTORYDEEPSEEK_API_KEYDEFAULT_PROVIDERDEFAULT_PROVIDER_API_KEYDISPLAYGEMINI_API_KEYGROQ_API_KEY+5 more

Native Modules

Contains native code that runs outside the JavaScript sandbox.

cryptographyctypeslxmlnumpypandas

AGENTS.md for crawl4ai

Good instructions lead to good results. brin adds crawl4ai 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 →

crawl4ai Documentation & Source Code

For the full crawl4ai README, API documentation, and source code, visit the official package registry.

Frequently asked questions about crawl4ai safety

Weekly Downloads

254.4K

Version

0.8.0

License

MIT

Last Scanned

Feb 5, 2026

Trust Score

75/100·Legitimacy signals, not safety

Capabilities

Network

Connects to: 127.0.0.1, amazon.com, another.com...

Filesystem

Reads & Writes files

Process

Spawns child processes

Environment

Accesses: , ANTHROPIC_API_KEY, CRAWL4AI_MODE...

Native

Contains native modules

Is crawl4ai Safe? | PyPI Safety Scan - brin