Chaos Hub & MCP Prompt Library: Harness Resilience Testing
Blog post from Harness
Harness Resilience Testing has updated its documentation by embedding the Chaos Hub catalog and adding a Prompt Library for Harness MCP, aiming to help teams identify and address reliability weaknesses before production incidents occur. The Chaos Hub integration lets users browse and filter more than 200 fault, probe, and action templates across environments such as Kubernetes, cloud platforms, Linux, and Windows directly within the documentation. The Prompt Library provides configurable natural-language prompts that can be used in IDEs or Claude through MCP for common workflows, including auditing resilience-test coverage, ranking services by unmitigated risk and recommended experiments, and designing and running pod-failure experiments. These additions complement the platform’s controlled fault-injection capabilities and AI-assisted analysis, while encouraging teams to assess services with limited or no chaos-testing history and expand automated resilience practices.
| Trend | Post Mentions | Total Month Mentions | Posts | Companies | MoM |
|---|---|---|---|---|---|
| Kubernetes | 15 | 634 | 79 | 44 | -75% |
| MCP | 7 | 1,562 | 186 | 99 | -80% |
| Developer Experience | 2 | 94 | 49 | 23 | -83% |
| Observability | 2 | 625 | 152 | 84 | -84% |
| Secrets Management | 1 | 584 | 99 | 52 | -76% |
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