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Nullify autonomous product-security agents vs Replit Security Agent

Quick answer

Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent) (Nullify (Nullify Holdings Pty Ltd)) 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.

Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent) (Nullify (Nullify Holdings Pty Ltd)) 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.

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Field Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent)Replit Security Agent (agent platform with security scans, AI pentest and Agent autofix)
Vendor Nullify (Nullify Holdings Pty Ltd)Replit
HQ Australia · Australia and New ZealandUnited States · North America
Primary category Code securityCode security
Also listed in Code security, SecurityCode security
Summary Australian 'autonomous system of agents' for product security that covers code, secrets, API pentesting and exploit validation. It proves findings with reproducible evidence, scores them against the customer's assets, writes merge-ready fix PRs routed to code owners, and runs remediation campaigns through Jira and Slack until merge, with the customer keeping final merge approval.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, sca, secrets detection, remediation, vulnerability management, pen test managementagent platform with security integrations, appsec, pen test management, remediation
Pricing (as published) Not published. Nullify says it prices on work performed (scoped program and estimated volume), not seats or license tiers.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 quotepublished-tiers
Primary source https://www.nullify.ai/https://docs.replit.com/features/security/agent-security-scans
Last checked 2026-10-192026-10-20
Official site https://www.nullify.ai/https://docs.replit.com/features/security/agent-security-scans

FAQ (from this dataset)

What is the difference between Nullify autonomous product-security agents and Replit Security Agent?

Both are listed under Code security. Shared tasks: appsec, remediation, pen-test-management. Nullify autonomous product-security agents-only tasks: sast, sca, secrets-detection, vulnerability-management. Replit Security Agent-only tasks: agent-platform-security-integrations. Differences are from stored category and task tags, not a ranking.

Which one publishes pricing?

Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent): Not published. Nullify says it prices on work performed (scoped program and estimated volume), not seats or license tiers. 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 Nullify autonomous product-security agents and Replit Security Agent headquartered?

Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent) publishes HQ in Australia. 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.

Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.

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