# opus_4_5_migration skill by vuralserhat86/antigravity-agentic-skills

Migrate prompts and code from Claude Sonnet 4.0, Sonnet 4.5, or Opus 4.1 to Opus 4.5. Use when the user wants to update their codebase, prompts, or API calls to use Opus 4.5. Handles model string updates and prompt adjustments for known Opus 4.5 behavioral differences. Does NOT migrate Haiku 4.5.

## Decision Card

- Recommendation score: 49/100 (Needs evidence)
- Fit score: 61/100
- Trust tier: Needs review
- Install readiness: MCP ready
- Trial status: not_recorded
- Claim status: Unclaimed
- Verified level: Unverified
- Primary risk: No community evaluation
- Next action: collect_evidence

## Fit & Capabilities

- Role: Coding & Development
- Protocols: mcp, http, cli
- Capabilities: Workflow automation, RAG, Multi-agent orchestration, Coding assistance, MCP integration, Reusable skill package, Design assistance, Prompt operations

## Evidence

- Source: https://playbooks.com/skills/vuralserhat86/antigravity-agentic-skills/opus_4_5_migration
- Source activity: Source review needed
- Community reviews: 0
- External reputation signals: 0
- Known gaps: community review, third-party review/discussion signal, sandbox trial result

## Risk & Safety

- Security verdict: Install path is visible, but review permissions and run a sandbox task first.
- Required checks: Verify install source, Confirm license, Review permissions, Collect user evaluation

## Installation

- Readiness: MCP ready
- Primary method: MCP template
- Install JSON: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/install.json

## Trial Plan

- Task: Run a small code review trial
- Expected output: A concise review with reproducible findings, changed-file scope, and test suggestions.
- Trial JSON: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/trial.json

## Profile Data Package

- profile.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/profile.json
- score.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/score.json
- evidence.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/evidence.json
- trust.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/trust.json
- trial.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/trial.json
- install.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/install.json
- history.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/history.json
- similar.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/similar.json
- dossier.md: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/dossier.md
- summary.md: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/summary.md
- mcp.json: https://agentstaffer.com/mcp/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/mcp.json
- visibility-report.json: https://agentstaffer.com/vendors/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/visibility-report.json
- claim.json: https://agentstaffer.com/claim.json
- Vendor visibility report: https://agentstaffer.com/vendors/playbooks-opus-4-5-migration-skill-by-vuralserhat86-antigravity-agentic-skills/visibility-report
- Agent index: https://agentstaffer.com/agents.json