HEAD TO HEAD
OX Security or Semgrep: agentic AppSec compared
Short answer
By The Pipeline Desk · Best Agentic AppSec · Published 2026-10-08
Desk research from public vendor pages, changelogs and standards documents. Vendor facts read in September 2026, updated 2026-10-11. Editorial assessment; we did not run the products.
How do they compare at a glance?
OX Security
Security guidance to the agent before code is written
Rank 4 of 10
Semgrep
Agent hooks with published per-contributor pricing
Rank 9 of 10
Which scores higher on each criterion?
| Criterion | Weight | OX Security | Semgrep | Higher |
|---|---|---|---|---|
| Agent and MCP discovery | 10% | 8 / 10 VibeSec keeps an Agent AI BOM of MCP servers, external SaaS and AI models, with usage and users. Source: OX Security docs: VibeSec (October 2026) · Read 11 Oct 2026 | 3 / 10 No org-wide inventory of agents or MCP servers is described on the pages reviewed. Source: Semgrep Guardian · Read 27 Sep 2026 | OX |
| Agent policy enforcement and audit | 10% | 8 / 10 Allow or block specific MCP tools, SaaS integrations and models, with an Agent Activity Log of prompts and tool calls; an endpoint agent and tamper resistance are not stated. Source: OX Security docs: VibeSec (October 2026) · Read 11 Oct 2026 | 6 / 10 Guardian hooks on every file write block malicious dependencies, hardcoded credentials and vulnerable patterns inside individual agents. Source: Semgrep Guardian · Read 27 Sep 2026 | OX |
| Secret handling for agents | 5% | 7 / 10 VibeSec lists secret protection; how secrets are kept from agents is not detailed on the pages reviewed. Source: OX Security docs index · Read 27 Sep 2026 | 7 / 10 Guardian stops hardcoded secrets at generation time, and Semgrep sells a Secrets product. Source: Semgrep Guardian · Read 27 Sep 2026 | Tie |
| Agentic remediation | 20% | 6 / 10 AI-Powered Fixes deliver context-aware one-click fixes in CI/CD pipelines, IDEs and pull or merge requests, with diffs and commit previews; validation of the fix is not stated. Source: OX Security: AI-Powered Fixes · Read 11 Oct 2026 | 4 / 10 Remediation guidance in PRs and IDEs; no agent that writes and lands fixes is described. Source: Semgrep homepage · Read 27 Sep 2026 | OX |
| Agentic triage and prioritization | 15% | 8 / 10 ASPM correlation plus an Agentic Pentester that ties exploitable issues back to code and APIs. Source: OX Security homepage · Read 27 Sep 2026 | 8 / 10 Semgrep Assistant auto-triages findings and uses code context to cut false positives. Source: Semgrep homepage · Read 27 Sep 2026 | Tie |
| SDLC policy and supply chain posture | 10% | 8 / 10 Software supply chain security, SBOM with drift detection, secrets and PII detection, and dependency vetting for agent installs (9 Sep 2026). Source: OX Security blog: VibeSec Dependency Vetting · Read 27 Sep 2026 | 7 / 10 Supply Chain and Secrets products, with malware detection and policy actions such as Jira tickets added on 24 Sep 2026; CI/CD posture is not described. Source: Semgrep blog: malware detection and response automation · Read 27 Sep 2026 | OX |
| Scanner coverage and orchestration | 10% | 8 / 10 OX Code covers SAST, SCA, secrets, IaC, containers and API scanning with ASPM correlation across them. Source: OX Security homepage · Read 27 Sep 2026 | 7 / 10 Code, Supply Chain and Secrets scanning with AI-assisted analysis; ingesting other scanners' findings is not described. Source: Semgrep homepage · Read 27 Sep 2026 | OX |
| Named coding agent reach | 10% | 7 / 10 Names 4 of the six agents we track: Claude Code, Cursor, GitHub Copilot and Kiro. Source: OX Security docs: VibeSec · Read 27 Sep 2026 | 5 / 10 Names 3 of the six agents we track: Claude Code, Cursor and Windsurf. Source: Semgrep Guardian · Read 27 Sep 2026 | OX |
| Pricing and trial transparency | 10% | 6 / 10 Free for up to 9 developer contributors under its Terms of Service; an AWS Marketplace list price is published ($100,000 for 12 months, all modules, 100 users); per-product pricing units are published, prices on its own site are not. Source: OX Security Terms of Service · Read 11 Oct 2026 | 8 / 10 Free up to 10 contributors and 10 repositories with 60 AI credits; Teams at $30 a month per contributor for Code or Supply Chain and $15 for Secrets, with 20 AI credits per developer a month; Guardian pricing is not stated. Source: Semgrep pricing · Read 11 Oct 2026 | Semgrep |
How do they differ along the pipeline?
| Control point | OX Security | Semgrep |
|---|---|---|
| Agent | Documented VibeSec analyzes the prompt and sends security guidance to the agent before code is generated, vets dependencies and keeps an AI inventory and agent activity log. Source: OX Security docs: VibeSec · Read 27 Sep 2026 | Partial Guardian runs as an MCP server, hooks on every file write and skills in Claude Code, Cursor and Windsurf; no org-wide agent inventory on the pages reviewed. Source: Semgrep Guardian · Read 27 Sep 2026 |
| IDE | Documented VS Code extension and JetBrains plugin, plus MCP integration. Source: OX Security docs index · Read 27 Sep 2026 | Documented VS Code and JetBrains support, with remediation guidance in IDEs. Source: Semgrep homepage · Read 27 Sep 2026 |
| Pull request | Documented OX Code covers SAST, SCA, secrets, IaC, containers and APIs, with pipeline scanning. Source: OX Security homepage · Read 27 Sep 2026 | Documented Remediation guidance in pull requests. Source: Semgrep homepage · Read 27 Sep 2026 |
| Pipeline | Documented Software supply chain security, SBOM with drift detection, and Dependency Vetting for agent installs (9 September 2026). Source: OX Security blog: VibeSec Dependency Vetting · Read 27 Sep 2026 | Documented Supply Chain and Secrets products; malicious package detection and policy actions such as Jira tickets and Slack alerts added 24 September 2026. Source: Semgrep blog: malware detection and response automation · Read 27 Sep 2026 |
| Triage | Documented ASPM correlation plus an Agentic Pentester that ties exploitable issues back to code and APIs. Source: OX Security homepage · Read 27 Sep 2026 | Documented Semgrep Assistant auto-triages findings. Source: Semgrep homepage · Read 27 Sep 2026 |
| Fix | Documented AI-Powered Fixes deliver one-click fixes in CI/CD pipelines, IDEs and pull or merge requests, with diffs and commit previews. Source: OX Security: AI-Powered Fixes · Read 11 Oct 2026 | Partial Remediation guidance in PRs and IDEs; no agent that writes and lands fixes is described. Source: Semgrep homepage · Read 27 Sep 2026 |
What do they cost?
OX Security
AWS Marketplace list price: OX Security Platform, All Modules, 100 users, $100,000 for 12 months. On its own site OX publishes pricing units (VibeSec per AI user, OX Code per contributing developer, OX Cloud per cloud asset, Agentic Pentester per agent hour) but not prices.
Source: AWS Marketplace: OX Security listing · Read 11 Oct 2026
Free start: Free for up to 9 developer contributors under OX's Terms of Service (updated December 2025); 10 or more contributors need a subscription.
Semgrep
Free for up to 10 contributors and 10 repositories (60 AI credits). Teams: $30 a month per contributor for Code or Supply Chain, $15 for Secrets, with 20 AI credits per developer a month. Enterprise custom (50 AI credits per developer a month). Guardian pricing is not stated.
Source: Semgrep pricing · Read 11 Oct 2026
Free start: Free for up to 10 contributors.
Which coding agents does each name?
| Agent | OX Security | Semgrep |
|---|---|---|
| Claude Code | Named | Named |
| Cursor | Named | Named |
| GitHub Copilot | Named | Not named |
| Windsurf | Not named | Named |
| OpenAI Codex | Not named | Not named |
| Kiro | Named | Not named |
| Total | 4 of 6 | 3 of 6 |
Which should you choose?
Choose OX Security if you need agentic triage and prioritization and agent and mcp discovery. OX Security: Security guidance to the agent before code is written.
Choose Semgrep if you need agentic triage and prioritization and pricing and trial transparency. Semgrep: Agent hooks with published per-contributor pricing.
Frequently asked questions
Which is better for agentic AppSec, OX Security or Semgrep?
On our published weights OX Security scores higher overall, 7.25 to 5.95 out of 10. See the criterion table above for where each scores higher.
Which governs coding agents more fully, OX Security or Semgrep?
OX Security scores higher on the agent governance group (7.8 to 5.0). OX Security: VibeSec analyzes the prompt and sends security guidance to the agent before code is generated, vets dependencies and keeps an AI inventory and agent activity log. Semgrep: Guardian runs as an MCP server, hooks on every file write and skills in Claude Code, Cursor and Windsurf; no org-wide agent inventory on the pages reviewed.
Do OX Security and Semgrep publish prices?
OX Security: AWS Marketplace list price: OX Security Platform, All Modules, 100 users, $100,000 for 12 months. On its own site OX publishes pricing units (VibeSec per AI user, OX Code per contributing developer, OX Cloud per cloud asset, Agentic Pentester per agent hour) but not prices. Semgrep: Free for up to 10 contributors and 10 repositories (60 AI credits). Teams: $30 a month per contributor for Code or Supply Chain, $15 for Secrets, with 20 AI credits per developer a month. Enterprise custom (50 AI credits per developer a month). Guardian pricing is not stated.