Agent skill

DB Migration

by hiromaily in hiromaily/go-crypto-wallet

Database schema and migration workflow. An agent skill from hiromaily/go-crypto-wallet.

MITAuto-check passedDatabases

Install DB Migration

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/db-migration .claude/skills/db-migration && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .claude/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/db-migration .agents/skills/db-migration && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .agents/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/db-migration .cursor/skills/db-migration && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .cursor/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/hiromaily/go-crypto-wallet.git --path .claude/skills/db-migration

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/db-migration .gemini/skills/db-migration && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .gemini/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/db-migration .github/skills/db-migration && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .github/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add hiromaily/go-crypto-wallet --skill db-migration -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install hiromaily/go-crypto-wallet db-migration --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/hiromaily/go-crypto-wallet.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/db-migration .opencode/skills/db-migration && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "db-migration" agent skill from https://github.com/hiromaily/go-crypto-wallet/tree/main/.claude/skills/db-migration into .opencode/skills/db-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-migration", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: db-migration
GitHub stars: 128
Token cost: ~652 tokens
SKILL.md length: 186 words
Files: 1
Skills in repo: 17
Repo updated: Apr 22, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Database schema and migration workflow. An agent skill from hiromaily/go-crypto-wallet.

Works in 5 steps: Modify Schema (HCL) → Verify HCL (from rules/hcl.md) → Regenerate All Artifacts → …
Modifying database schemas in tools/atlas/
SKILL.md covers Prerequisites, Applicable Files, Workflow and Self-Review Checklist, plus 1 more section
Calls make

What it does

DB Migration is an agent skill from hiromaily/go-crypto-wallet. Database schema and migration workflow. Use when modifying database schemas in tools/atlas/ or SQLC queries in tools/sqlc/.

Its SKILL.md is about 650 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Databases, covering Database schema design and Database migrations. It works with SQL, MySQL and PostgreSQL. The repository describes itself as: Cryptocurrency wallet for trading for Bitcoin, Bitcoin cash, Ethereum, ERC20, XRP Leger (Ripple). The licence is MIT.

When your agent uses it

Modifying database schemas in tools/atlas/
SQLC queries in tools/sqlc/

Example prompts

“/db-migration”

Requirements

Docker

Workflow steps

5 steps, taken from the step headings in SKILL.md.

Modify Schema (HCL)
Verify HCL (from rules/hcl.md)
Regenerate All Artifacts
Verify Migration Files
Verify Go Code

What it can do on your machine

Read from SKILL.md and the folder at commit 798ab10. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
- make
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

DB Migration loads about 652 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 186 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~34
When it runs · the whole SKILL.md, loaded when a task matches: ~652

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from hiromaily/go-crypto-wallet at commit 798ab10, republished under its MIT licence (© hiromaily). 186 words, ~652 tokens.

Download SKILL.mdSave it as .claude/skills/db-migration/SKILL.md (or your agent's skills folder).

name: db-migration
description: Database schema and migration workflow. Use when modifying database schemas in tools/atlas/ or SQLC queries in tools/sqlc/.

Database Migration Workflow

Workflow for database schema and migration changes.

Prerequisites

Use git-workflow Skill for branch, commit, and PR workflow.
Refer to .claude/rules/hcl.md for HCL schema rules (SSOT).
Refer to .claude/rules/sql.md for SQL query rules (SSOT).

Applicable Files

Path	Description
`tools/atlas/schemas/{db_dialect}/*.hcl`	HCL schema definitions (source of truth)
`tools/sqlc/queries/{db_dialect}/*.sql`	SQLC query definitions

Workflow

1. Modify Schema (HCL)

Edit HCL files in tools/atlas/schemas/{db_dialect}/.

Dialect directories:

tools/atlas/schemas/postgres/*.hcl
tools/atlas/schemas/mysql/*.hcl

2. Verify HCL (from rules/hcl.md)

bash

make atlas-fmt && make atlas-lint

3. Regenerate All Artifacts

Run all three targets after modifying HCL schemas:

bash

# Regenerate migrations, extract SQLC schemas, and generate Go code for PostgreSQL
make regenerate-all-from-atlas

# Regenerate for MySQL
make regenerate-all-from-atlas-mysql

# Convert PostgreSQL schemas to SQLite and generate Go code for SQLite
make regenerate-all-from-atlas-sqlite

Each target handles: Atlas migrations → Docker DB reset → SQLC schema extraction → SQLC code generation.

4. Verify Migration Files

After running the regenerate targets, confirm each DB dialect has exactly one migration SQL file:

tools/atlas/migrations/postgres/{db-name}/*.sql ← one file, updated
tools/atlas/migrations/mysql/{db-name}/*.sql ← one file, updated

DB names: keygen, sign, watch

5. Verify Go Code

bash

make check-build && make go-test

Self-Review Checklist

HCL format/lint passes
make regenerate-all-from-atlas succeeds (postgres)
make regenerate-all-from-atlas-mysql succeeds (mysql)
make regenerate-all-from-atlas-sqlite succeeds (sqlite)
Each tools/atlas/migrations/{postgres,mysql}/{db-name}/ has exactly one .sql file and it is updated
SQLC generates correctly
Go build passes

.claude/rules/hcl.md - HCL rules (SSOT)
.claude/rules/sql.md - SQL rules (SSOT)
go-development - Go verification after SQLC generation
git-workflow - Branch, commit, PR workflow

Files

Just SKILL.md in .claude/skills/db-migration of hiromaily/go-crypto-wallet.

Open the folder on GitHubat commit 798ab10

Compare with similar skills

DB Migration next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

DB Migration compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
DB Migration this skillhiromaily/go-crypto-wallet	128	—	~652	Automated safety check: Pass	MIT	5 mo ago
Golang Databaseunxed/f4	243	2 repos	~2.9k	Automated safety check: Pass	MIT	today
Database Migrations SQL Migrationsrmyndharis/antigravity-skills	1.7k	3 repos	~577	Automated safety check: Notes	MIT	9 days ago
DB ContextSilvioBaratto/optimizer	176	—	~6.4k	Automated safety check: Notes	Custom licence	2 days ago
Expert DatabaseReJeCtAll/ExpertTeam-Codex	113	—	~692	Automated safety check: Pass	MIT	3 mo ago
SQL ProJeffallan/claude-skills	12k	—	~1.3k	Automated safety check: Pass	MIT	6 days ago

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Questions about DB Migration

What does DB Migration do?

Database schema and migration workflow. An agent skill from hiromaily/go-crypto-wallet. DB Migration is an agent skill from hiromaily/go-crypto-wallet. Database schema and migration workflow.

When should I use DB Migration?

DB Migration fits situations like: modifying database schemas in tools/atlas/; SQLC queries in tools/sqlc/.

How do I install DB Migration in Claude Code?

Run `npx skills add hiromaily/go-crypto-wallet --skill db-migration -a claude-code`. Or copy the skill folder (.claude/skills/db-migration in hiromaily/go-crypto-wallet) into .claude/skills/db-migration in your project. Claude Code loads it when a task matches its description.

How do I install DB Migration in Codex?

Run `npx skills add hiromaily/go-crypto-wallet --skill db-migration -a codex`. Or copy the skill folder (.claude/skills/db-migration in hiromaily/go-crypto-wallet) into .agents/skills/db-migration in your project. Codex loads it when a task matches its description.

Can I use DB Migration in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hiromaily/go-crypto-wallet --skill db-migration -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/db-migration, .gemini/skills/db-migration, .github/skills/db-migration and .opencode/skills/db-migration in your project.

What does DB Migration need to run?

Going by SKILL.md and its folder, DB Migration needs the command-line tools its instructions call (make). Our summary lists: Docker.

Does DB Migration access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is DB Migration safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does DB Migration use?

DB Migration is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does DB Migration use?

About 652 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to DB Migration?

Skills that share tags, products or a category with DB Migration: Golang Database (unxed/f4, 243 stars), Database Migrations SQL Migrations (rmyndharis/antigravity-skills, 1.7k stars), DB Context (SilvioBaratto/optimizer, 176 stars) and Expert Database (ReJeCtAll/ExpertTeam-Codex, 113 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains DB Migration?

hiromaily (a GitHub user) maintains it in hiromaily/go-crypto-wallet, which has 128 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on April 22, 2026.

Source: hiromaily/go-crypto-wallet on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install DB Migration

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Database Migration Workflow

Prerequisites

Applicable Files

Workflow

1. Modify Schema (HCL)

2. Verify HCL (from rules/hcl.md)

3. Regenerate All Artifacts

4. Verify Migration Files

5. Verify Go Code

Self-Review Checklist

Related

Files

Compare with similar skills

Similar skills

More from hiromaily/go-crypto-wallet

Related

Questions about DB Migration