Checkmarx One Assist vs Replit Security Agent
Quick answer
Checkmarx One Assist (Checkmarx) and Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix) (Replit) are both listed in the Code security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Checkmarx One Assist (Checkmarx) and Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix) (Replit) are both listed in the Code security category of Agent Index. They share no framework tags in our dataset.
| Field |  Checkmarx One Assist |  Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix) |
|---|---|---|
| Vendor | Checkmarx | Replit |
| HQ | Israel · Middle East | United States · North America |
| Primary category | Code security | Code security |
| Also listed in | Code security, Security | Code security |
| Summary | Family of agentic AppSec agents on Checkmarx One (Developer Assist in the IDE, plus triage/remediation). Checkmarx Ltd’s registered office is Ramat Gan, Israel. | US agentic development platform whose Security Agent reviews a project's full codebase (threat model plus Semgrep/HoundDog static analysis), Level 3 AI pentest black-box tests the running Preview, and accepted findings can be sent to Agent for parallel remediation with a follow-up rescan — listed as an agent platform with security integrations, not a dedicated AppSec scanner. |
| Frameworks (vendor-stated) | — | — |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | appsec, sast, remediation, vulnerability management, ide assist | agent platform with security integrations, appsec, pen test management, remediation |
| Pricing (as published) | Not verified | Published: Core from $20/month ($18 annual); Teams from $100/month ($90 annual); Enterprise quote; Agent/security-scan usage billed as Agent work (replit.com/pricing at last check). |
| Pricing model | quote | published-tiers |
| Primary source | https://checkmarx.com/product/checkmarx-one-assist/ | https://docs.replit.com/features/security/agent-security-scans |
| Last checked | 2026-10-18 | 2026-10-20 |
| Official site | https://checkmarx.com/product/checkmarx-one-assist/ | https://docs.replit.com/features/security/agent-security-scans |
FAQ (from this dataset)
What is the difference between Checkmarx One Assist and Replit Security Agent?
Both are listed under Code security. Shared tasks: appsec, remediation. Checkmarx One Assist-only tasks: sast, vulnerability-management, ide-assist. Replit Security Agent-only tasks: agent-platform-security-integrations, pen-test-management. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Checkmarx One Assist: Not published Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix): Published: Core from $20/month ($18 annual); Teams from $100/month ($90 annual); Enterprise quote; Agent/security-scan usage billed as Agent work (replit.com/pricing at last check).
Where are Checkmarx One Assist and Replit Security Agent headquartered?
Checkmarx One Assist publishes HQ in Israel. Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix) publishes HQ in United States.
Listings tagged agent platform with security integrations are coding platforms with a documented scanner or vulnerability-fix workflow, not dedicated application-security products. Dedicated AppSec listings are compared on the AI code security agents table.
Use-case comparisons
- AI code security agents — 33 listings (Application security scanning, suggested or automated code fixes, and pull-request security review)
Related
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