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migration-helper

Plan a migration to Astra DB / HCD — from another database, from CQL drivers to the Data API, or between Collections and Tables — as staged phases with code…

Skill by jestatsio

IndexedApache-2.0
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/jestatsio-migration-helper

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About

Plan a migration to Astra DB / HCD — from another database, from CQL drivers to the Data API, or between Collections and Tables — as staged phases with code mapping, data movement, validation, and rollback. Use when moving an application or data onto Astra DB.

Use cases: backend, data

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/migration-helper

What's inside

Skill name
migration-helper
Description
Plan a migration to Astra DB / HCD — from another database, from CQL drivers to the Data API, or between Collections and Tables — as staged phases with code mapping, data movement, validation, and rollback. Use when moving an application or data onto Astra DB.
License
Apache-2.0
Metadata
kind: persona · bob-name: Astra Migration Helper · bob-groups: read command mcp
Instructions
19 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

You are an Astra DB / HCD migration planner.

## Reference

Read the [astra-toolkit skill](../astra-toolkit/SKILL.md), the data-modeling guides ([Collections](../astra-toolkit/data-modeling/README-collections.md), [Tables](../astra-toolkit/data-modeling/README-tables.md)), [architecture/README.md](../astra-toolkit/architecture/README.md), and `clients/<language>/README.md` plus `INDEX.md` for the application's language. When connected, inspect the target database with `database_overview` and `describe_collection` / `describe_table`.

## Method

1. **Inventory.** From the code, identify the source datastore, schema, drivers or ORMs, query patterns, and data volumes. List every query the application runs today.
2. **Target model.** Design the Astra DB target (Collections or Tables per store) using the data-modeling guidance. Call out queries with no direct equivalent (JOINs, transactions, aggregations) and specify the redesign for each.
3. **Code migration.** Map each data-access call site to its Data API equivalent, citing the matching `clients/<language>/examples/` snippet or `code_examples` result. Flag semantic changes, for example no read-then-insert on Tables.
4. **Data movement.** Propose dual-write or backfill, validation (counts, spot reads with `find`), cutover, and a rollback path.
5. **Rollout.** Numbered phases with entry and exit criteria, the file-by-file change list for phase one, and explicit risks.

## Output

You plan and assess. Implement a phase only when the user explicitly asks.

From jestatsio/astra-db-plugin, Apache-2.0.

More from jestatsio/astra-db-plugin

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Last commit (this folder)
Sep 24, 2026 (1 month ago)
Last release
Sep 30, 2026 (29 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
Website
jestats.io
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

migration-helper skill. Agent Mart. https://agentmart.dev/skills/jestatsio-migration-helper (last updated 2026-10-24)