Kuboo Verification Report
Agentic Engineer (Core)
Candidate: Alex Johnson
Assessment: 2026-09-15
Valid until: 2027-09-15
Identity: Verified
Assessed by: Kuboo Verification Team
Toolchain
- Declared
- Cursor IDE, Claude Sonnet 4.5, GitHub Copilot (fallback)
- Observed
- Cursor IDE, Claude Sonnet 4.5
- Divergence
- None
Work sample summary
- Ticket
- Implement a paginated /items endpoint with cursor-based pagination, a filter by status field, and full integration test coverage.
- Repository
- kuboo-assessment-api (Node.js, TypeScript, PostgreSQL, Vitest)
- Delivery
- Endpoint implemented; 6 integration tests written; API documentation added in OpenAPI format.
- Seeded bugs found
- 2/2 — Off-by-one in pagination cursor; missing 401 on unauthenticated request. Both caught before debrief.
Dimension scores
Scale: 1 Not acceptable · 2 Capable · 3 Adoptive · 4 Transformative
| Dimension | Score | Evidence |
|---|---|---|
| Fundamentals⚠ | 3 — Adoptive | Correctly traced a data race in the auth middleware within 8 minutes, without AI assistance. |
| Agentic workflow | 3 — Adoptive | Used Cursor with Claude Sonnet; prompt chains were explicit and reusable across subtasks. |
| Context engineering | 3 — Adoptive | Included AGENTS.md, described file scope and out-of-scope areas before each prompt. |
| Verification with evidence⚠ | 3 — Adoptive | Added 6 integration tests covering the happy path and two error branches; full CI pass on first push. |
| Review and debugging of AI output⚠ | 3 — Adoptive | Found one logic error and one missing null check in the seeded AI-generated PR. |
| Security⚠ | 2 — Capable | Missed one of two seeded secrets in the AI-generated PR review; acknowledged and corrected during debrief. |
| Tool-agnostic standards | 3 — Adoptive | Demonstrated MCP server setup awareness; referenced AGENTS.md conventions independently. |
| Knowing what not to delegate | 3 — Adoptive | Chose not to delegate the authentication module; explained reasoning unprompted. |
⚠ = eliminatory dimension, judged on its own.
Strengths
- Strong fundamentals: diagnosed a concurrent issue quickly without AI assistance.
- Consistent verification habit: ran tests and CI before every commit.
- Transparent debrief: accurately described what was delegated to the agent and why.
Risks
- Security review needs reinforcement: missed a hardcoded secret in the PR review phase.
- Recommend paired review on auth-sensitive PRs for the first 4 weeks of engagement.
What this report does not verify
- Business domain knowledge specific to the client's product.
- Sustained performance over a full engagement.
- Team dynamics and communication effectiveness.
- Proficiency in tools outside the assessed session.