Crucible
5.8#17 in ai security testing toolsFree planFree planLinuxSelf-hosted
VisitCrucible vs Promptfoo
What both publish
| Fact | Crucible | Promptfoo |
|---|---|---|
| CI/CD | The GitHub Actions integration can fail a build when an agent's security score drops below a configured threshold. | Promptfoo can run evaluations and security checks in CI/CD pipelines using configuration files and provider credentials. |
| Integrations | It supports LangChain, CrewAI, AutoGen, raw MCP endpoints, and agents with an HTTP or MCP interface. | Documented integrations include LangChain, LangGraph, CrewAI, MCP, Splunk, Burp Suite, GitHub Actions, GitLab, Jenkins, CircleCI, Azure Pipelines, and Bitbucket Pipelines. |
| License | The core engine and test modules are described as Apache 2.0 and free, with no feature gating on security tests. | The open-source project is distributed under the MIT license. |
Crucible plans
- CommunityFree
- EnterprisePriced on request
- TeamPriced on request
Promptfoo plans
- CommunityFree
- EnterprisePriced on request
- On-PremisePriced on request
Pick Crucible if…
Crucible suits individual builders and open-source projects that want local agent security checks, as well as teams shipping agents to production. Its CI integration is relevant to users who want builds to fail when a configured security-score threshold is missed.
Pick Promptfoo if…
Promptfoo suits developers and enterprise teams evaluating prompts, model outputs, and AI application risks. Its local and self-hosted options may appeal to teams that want to run the Community plan on their own infrastructure.