[Dashboard: Conformance] Weekly SDK Tier Assessment Failure

The weekly SDK Tier Assessment found gaps preventing Tier 1 status:

# Tier Assessment: Tier 3

**Repo**: googleapis/mcp-toolbox-sdk-python
**Version**: toolbox-llamaindex-v0.9.0
**Timestamp**: 2026-09-13T06:24:14.375Z

## Check Results

| Check | Status | Detail |
|-------|--------|--------|

| | 2025-03-26 | 2025-06-18 | 2025-11-25 | All* |
|---|---|---|---|---|
| Server | — | — | — | 0/0 |
| Client: Core | — | 0/2 | 0/4 | 0/4 (0%) |
| Client: Auth | 0/2 | 0/3 | 0/14 | 0/16 (0%) |

_* unique scenarios — a scenario may apply to multiple spec versions_

_Informational (not scored for tier):_

| | draft | extension |
|---|---|---|
| Client: Auth | 1/3 | 0/3 |

| Labels | fail | 2/12 required labels (missing: bug, enhancement, question, needs confirmation, needs repro, ready for work, P0, P1, P2, P3) |
| Triage | pass | 100% within 2BD, median 0h, p95 0h |
| P0 Resolution | pass | 0 open, 0/0 closed within 7d |
| Stable Release | fail | toolbox-llamaindex-v0.9.0 (stable: false) |
| Policy Signals | partial | CHANGELOG.md: ✓, SECURITY.md: ✓, CONTRIBUTING.md: ✓, DEPENDENCY_POLICY.md: ✗, docs/dependency-policy.md: ✗, .github/dependabot.yml: ✗, .github/renovate.json: ✗, renovate.json: ✗, ROADMAP.md: ✗, docs/roadmap.md: ✗, VERSIONING.md: ✗, docs/versioning.md: ✗, BREAKING_CHANGES.md: ✗ |
| Spec Tracking | pass | 0d gap |

## Tier 1 Blockers

- server_conformance (skipped)
- client_conformance
- stable_release
- labels

> Partial assessment — judgment-based checks require /mcp-sdk-tier-audit skill

Please fix these operational gaps.