--- title: "stepshield vs Aegis" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/glo26-stepshield-vs-justin0504-aegis" tools: ["glo26-stepshield", "justin0504-aegis"] --- # stepshield vs Aegis *GraphCanon updated Sep 20, 2026* ## Verdict Pick stepshield if stepShield aids in evaluating temporal guardrail effectiveness on AI agents through step-level annotations, ideal for ensuring security over time; pick Aegis if aegis provides runtime policy enforcement for AI agents with cryptographic audit trails and human-in-the-loop approvals, supporting zero-code deployment switches suited for various compliance needs. [stepshield](https://huggingface.co/datasets/glo26/stepshield) reports 76 GitHub stars, 17 forks, and 18 open issues, last pushed Sep 5, 2026. [Aegis](https://github.com/Justin0504/Aegis) has 340 stars, 37 forks, and 3 open issues, last pushed Sep 6, 2026. Figures are from public GitHub metadata via [stepshield's repository](https://github.com/glo26/stepshield) and [Aegis's repository](https://github.com/Justin0504/Aegis). | | [stepshield](/tools/glo26-stepshield.md) | [Aegis](/tools/justin0504-aegis.md) | | --- | --- | --- | | Tagline | Temporal evaluation benchmark for AI agent guardrails | Runtime policy enforcement for AI agents with cryptographic audit trail and human-in-the-loop approvals. | | Stars | 76 | 340 | | Forks | 17 | 37 | | Open issues | 18 | 3 | | Language | Python | TypeScript | | Adopt for | StepShield aids in evaluating temporal guardrail effectiveness on AI agents through step-level annotations, ideal for ensuring security over time. | Aegis provides runtime policy enforcement for AI agents with cryptographic audit trails and human-in-the-loop approvals, supporting zero-code deployment switches suited for various compliance needs. | | Persona | - | - | | Runtime | - | - | | License | Other | MIT | | Categories | AI Agents, Evaluation & Observability | AI Agents, Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [stepshield](/tools/glo26-stepshield.md) | [Aegis](/tools/justin0504-aegis.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 7d | 4d | | Open issues (now) | 18 | 3 | | Stars delta | -1 (30d) | -27 (30d) | | Open issues delta | +2 (30d) | 0 (30d) | | Full report | [trust report](/tools/glo26-stepshield/trust.md) | [trust report](/tools/justin0504-aegis/trust.md) | ## Decision facts: stepshield - **Adopt for:** StepShield aids in evaluating temporal guardrail effectiveness on AI agents through step-level annotations, ideal for ensuring security over time. ## Decision facts: Aegis - **Adopt for:** Aegis provides runtime policy enforcement for AI agents with cryptographic audit trails and human-in-the-loop approvals, supporting zero-code deployment switches suited for various compliance needs. ## Choose when ### Choose stepshield if… - stepshield is primarily Python; Aegis is TypeScript. - License: stepshield is Other, Aegis is MIT. - Tags unique to stepshield: agent-security, benchmark, dataset, guardrails. - When you need to measure the timing of interventions rather than just if they occur ### Choose Aegis if… - Aegis is primarily TypeScript; stepshield is Python. - License: Aegis is MIT, stepshield is Other. - Tags unique to Aegis: anthropic, audit-trail, llm-observability, policy-engine. - Aegis ships Docker support for self-hosted deployment. - You need cryptographic assurance of the audit trail to meet high-security standards. ## When NOT to use stepshield - If your project does not require temporal analysis of guardrail performance - When you seek real-time intervention and do not need pre-defined trajectory datasets ## When NOT to use Aegis - The project does not require a zero-code deployment switch and can manage changes directly in the codebase. - Minimal regulatory requirements mean that elaborate configurations like Aegis's strict retention policies are unnecessary. ## Common questions ### What is the difference between stepshield and Aegis? stepshield: Temporal evaluation benchmark for AI agent guardrails. Aegis: Runtime policy enforcement for AI agents with cryptographic audit trail and human-in-the-loop approvals.. See the comparison table for live GitHub stats and shared categories. ### When should I choose stepshield over Aegis? Choose stepshield over Aegis when stepshield is primarily Python; Aegis is TypeScript; License: stepshield is Other, Aegis is MIT; Tags unique to stepshield: agent-security, benchmark, dataset, guardrails; When you need to measure the timing of interventions rather than just if they occur. ### When should I choose Aegis over stepshield? Choose Aegis over stepshield when Aegis is primarily TypeScript; stepshield is Python; License: Aegis is MIT, stepshield is Other; Tags unique to Aegis: anthropic, audit-trail, llm-observability, policy-engine; Aegis ships Docker support for self-hosted deployment; You need cryptographic assurance of the audit trail to meet high-security standards. ### When should I avoid stepshield? If your project does not require temporal analysis of guardrail performance When you seek real-time intervention and do not need pre-defined trajectory datasets ### When should I avoid Aegis? The project does not require a zero-code deployment switch and can manage changes directly in the codebase. Minimal regulatory requirements mean that elaborate configurations like Aegis's strict retention policies are unnecessary. ### Is stepshield or Aegis more popular on GitHub? Aegis has more GitHub stars (340 vs 76). Stars measure visibility, not whether either tool fits your constraints. ### Are stepshield and Aegis open source? Yes - both are open-source projects on GitHub (stepshield: Other, Aegis: MIT). ### Where can I find alternatives to stepshield or Aegis? GraphCanon lists graph-backed alternatives at [stepshield alternatives](/tools/glo26-stepshield/alternatives) and [Aegis alternatives](/tools/justin0504-aegis/alternatives) ([stepshield markdown twin](/tools/glo26-stepshield/alternatives.md), [Aegis markdown twin](/tools/justin0504-aegis/alternatives.md)), 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](/compare/glo26-stepshield-vs-justin0504-aegis.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, stepshield or Aegis? stepshield: Active. Aegis: Very active. 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 stepshield and Aegis? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [stepshield trust report](/tools/glo26-stepshield/trust); [Aegis trust report](/tools/justin0504-aegis/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=glo26-stepshield`](/api/graphcanon/graph?tool=glo26-stepshield) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_