Comparison
aigis vs fast-llm-security-guardrails
Verdict
Pick aigis if aigis is a deterministic zero-dependency Python firewall for AI agents offering protection against threats like memory poisoning and prompt injection with no external dependencies or complex configurations; pick fast-llm-security-guardrails if fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Markdown twin · aigis alternatives · fast-llm-security-guardrails alternatives
GraphCanon updated Sep 14, 2026
9views this month
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Trust & integrity
| Signal | aigis | fast-llm-security-guardrails |
|---|---|---|
| Maintenance | Very active (4d since push) As of Sep 13, 2026 · github_public_v1 | Slowing (222d since push) As of Sep 14, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 13, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 14, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | Published findings As of Jul 15, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- aigis
- Deterministic zero-dependency Python firewall for AI agents
- fast-llm-security-guardrails
- The fastest Trust Layer for AI Agents
Stars
- aigis
- 54
- fast-llm-security-guardrails
- 155
Forks
- aigis
- 8
- fast-llm-security-guardrails
- 21
Open issues
- aigis
- 13
- fast-llm-security-guardrails
- 0
Language
- aigis
- Python
- fast-llm-security-guardrails
- Python
Adopt for
- aigis
- aigis is a deterministic zero-dependency Python firewall for AI agents offering protection against threats like memory poisoning and prompt injection with no external dependencies or complex configurations.
- fast-llm-security-guardrails
- fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Persona
- aigis
- -
- fast-llm-security-guardrails
- -
Runtime
- aigis
- -
- fast-llm-security-guardrails
- -
License
- aigis
- Apache-2.0
- fast-llm-security-guardrails
- MIT
Last pushed
- aigis
- Sep 8, 2026
- fast-llm-security-guardrails
- Feb 3, 2026
Categories
- aigis
- AI Agents, Evaluation & Observability
- fast-llm-security-guardrails
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- aigis
- Very active (96%)
- fast-llm-security-guardrails
- Slowing (36%)
Days since push
- aigis
- 4d
- fast-llm-security-guardrails
- 222d
Open issues (now)
- aigis
- 13
- fast-llm-security-guardrails
- 0
Open issues delta
- aigis
- +2 (30d)
- fast-llm-security-guardrails
- 0 (30d)
Owner type
- aigis
- User
- fast-llm-security-guardrails
- Organization
OSV dependency advisories
- aigis
- No lockfile (source not queried)
- fast-llm-security-guardrails
- Published findings
Full report
- aigis
- Trust report
- fast-llm-security-guardrails
- Trust report
Shared compatibility
- Python · aigis: Python runtime · fast-llm-security-guardrails: Python runtime
Choose aigis if…
- License: aigis is Apache-2.0, fast-llm-security-guardrails is MIT.
- Tags unique to aigis: ai-security, compliance, cybersecurity, firewall.
- aigis ships Docker support for self-hosted deployment.
- When your AI application requires robust security measures with minimal setup complexity
When NOT to use aigis
- If your project strictly avoids adding third-party libraries
- When a full-fledged security solution with comprehensive features is necessary over minimal dependency footprint
Choose fast-llm-security-guardrails if…
- License: fast-llm-security-guardrails is MIT, aigis is Apache-2.0.
- Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agents, ai-runtime, cx-agent.
- Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
When NOT to use fast-llm-security-guardrails
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations.
- For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (killertcell428/aigis) · observed Sep 13, 2026
- GitHub forks (killertcell428/aigis) · observed Sep 13, 2026
- Last push (killertcell428/aigis) · observed Sep 8, 2026
- License file (Apache-2.0) · observed Sep 13, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 14, 2026
- GitHub forks (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 14, 2026
- Last push (ZenGuard-AI/fast-llm-security-guardrails) · observed Feb 3, 2026
- License file (MIT) · observed Sep 14, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: aigis 54 · fast-llm-security-guardrails 155 (synced Sep 13, 2026).
Common questions
- What is the difference between aigis and fast-llm-security-guardrails?
- aigis: Deterministic zero-dependency Python firewall for AI agents. fast-llm-security-guardrails: The fastest Trust Layer for AI Agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose aigis over fast-llm-security-guardrails?
- Choose aigis over fast-llm-security-guardrails when License: aigis is Apache-2.0, fast-llm-security-guardrails is MIT; Tags unique to aigis: ai-security, compliance, cybersecurity, firewall; aigis ships Docker support for self-hosted deployment; When your AI application requires robust security measures with minimal setup complexity.
- When should I choose fast-llm-security-guardrails over aigis?
- Choose fast-llm-security-guardrails over aigis when License: fast-llm-security-guardrails is MIT, aigis is Apache-2.0; Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agents, ai-runtime, cx-agent; Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
- When should I avoid aigis?
- If your project strictly avoids adding third-party libraries When a full-fledged security solution with comprehensive features is necessary over minimal dependency footprint
- When should I avoid fast-llm-security-guardrails?
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations. For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
- Is aigis or fast-llm-security-guardrails more popular on GitHub?
- fast-llm-security-guardrails has more GitHub stars (155 vs 54). Stars measure visibility, not whether either tool fits your constraints.
- Are aigis and fast-llm-security-guardrails open source?
- Yes - both are open-source projects on GitHub (aigis: Apache-2.0, fast-llm-security-guardrails: MIT).
- Where can I find alternatives to aigis or fast-llm-security-guardrails?
- GraphCanon lists graph-backed alternatives at aigis alternatives and fast-llm-security-guardrails alternatives (aigis markdown twin, fast-llm-security-guardrails markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, aigis or fast-llm-security-guardrails?
- aigis: Very active. fast-llm-security-guardrails: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for aigis and fast-llm-security-guardrails?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: aigis trust report; fast-llm-security-guardrails trust report.