Silk Profiler
baserow/baserow
Investigate backend performance using Django Silk profiling data.
Write, review, and rewrite Django migrations for PostgreSQL with zero-downtime guarantees.
Install Django Safe Migration
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migration --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/django-safe-migration .claude/skills/django-safe-migration && rm -rf skills-srcUse ~/.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/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .claude/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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 install https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migrationType 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.
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migration --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/django-safe-migration .agents/skills/django-safe-migration && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .agents/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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.
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migration --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/django-safe-migration .cursor/skills/django-safe-migration && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .cursor/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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 https://github.com/vintasoftware/django-ai-plugins.git --path skills/django-safe-migration--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migration --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/django-safe-migration .gemini/skills/django-safe-migration && rm -rf skills-srcUse ~/.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/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .gemini/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migrationInstalls 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).
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/django-safe-migration .github/skills/django-safe-migration && rm -rf skills-srcUse ~/.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/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .github/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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.
$ npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install vintasoftware/django-ai-plugins django-safe-migration --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vintasoftware/django-ai-plugins.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/django-safe-migration .opencode/skills/django-safe-migration && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "django-safe-migration" agent skill from https://github.com/vintasoftware/django-ai-plugins/tree/main/skills/django-safe-migration into .opencode/skills/django-safe-migration/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "django-safe-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
django-safe-migration- GitHub stars
- 151
- Token cost
- ~4.4k tokens
- SKILL.md length
- 2,164 words
- Files
- 4 (incl. references)
- Skills in repo
- 5
- Repo updated
- First seen
- Licence
- None found
At a glance
Write, review, and rewrite Django migrations for PostgreSQL with zero-downtime guarantees.
- Works in 2 steps: ADD CONSTRAINT … NOT VALID — creates the… → VALIDATE CONSTRAINT — scans existing…
- The user mentions migrations
- SKILL.md covers Project Configuration, When to Use, Why Zero-Downtime Migrations… and How PostgreSQL Locking Works, plus 9 more sections
- Calls python, make and docker; reaches github.com
What it does
Django Safe Migration is an agent skill from vintasoftware/django-ai-plugins. Write, review, and rewrite Django migrations for PostgreSQL with zero-downtime guarantees. Use this skill whenever the user mentions migrations, Django schema changes, or deployment safety — even if they don't say "zero downtime" explicitly. Trigger on: "review this migration", "is this migration safe?", "write a migration for...", "rewrite this migration", "how do I add a NOT NULL column / drop a column / add an index / rename a column / add a FK without downtime", "will this migration cause locks?", "this…
Its SKILL.md is about 4.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/examples.md`, `references/operation-guide.md` and `references/postgres-locks.md`).
It sits in Backend & APIs, covering Backend development. It works with Django and PostgreSQL. The repository describes itself as: A collection of AI Skills specialized in Django Backend development.
When your agent uses it
- The user mentions migrations
- Django schema changes
- Deployment safety — even if they dont say zero downtime explicitly
- : review this migration
Example prompts
- “t say”
- “explicitly. Trigger on:”
- “is this migration safe?”
- “/django-safe-migration”
Requirements
- Python 3
- Docker
Workflow steps
2 steps, taken from the first numbered list in SKILL.md.
- ADD CONSTRAINT … NOT VALID — creates the constraint and enforces it on new writes immediately, but skips scanning existing rows. Takes a…
- VALIDATE CONSTRAINT — scans existing rows to confirm they satisfy the constraint. Takes SHARE UPDATE EXCLUSIVE (plus ROW SHARE on the…
What it can do on your machine
Read from SKILL.md and the folder at commit b8af268. 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:
pythonmakedocker
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
github.com
Also links to:
postgresql.org
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
Django Safe Migration loads about 4.4k tokens when it runs, and up to ~15k if it reads all its reference files. Until then it costs about 185 tokens; SKILL.md has 2,164 words of instructions outside code blocks.
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
Without a licence we can't republish the file, so here is its outline and opening line. It has 2,164 words (~4,356 tokens).
“Read the active host's project instruction file (for example, AGENTS.md or CLAUDE.md) for the values below. If they are not set, use the defaults shown.”
- name
- django-safe-migration
Files
SKILL.md and 3 other files (references) in skills/django-safe-migration of vintasoftware/django-ai-plugins.
- SKILL.md
- references/examples.md
- references/operation-guide.md
- references/postgres-locks.md
Open the folder on GitHubat commit b8af268
Compare with similar skills
Django Safe 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Django Safe Migration this skillvintasoftware/django-ai-plugins | 151 | — | ~4.4k | Automated safety check: Pass | None | |
| Silk Profilerbaserow/baserow | 6.1k | — | ~2.9k | Automated safety check: Pass | Custom licence | |
| Django MigrationsPostHog/posthog | 40k | — | ~5k | Automated safety check: Pass | Custom licence | |
| Djangoericrisco/rsc-harness | 167 | — | ~3.1k | Automated safety check: Pass | MIT | |
| Django Index Designhashgraph-online/awesome-codex-plugins | 1.2k | — | ~643 | Automated safety check: Pass | MIT | |
| Django Materialized Viewshashgraph-online/awesome-codex-plugins | 1.2k | — | ~611 | Automated safety check: Pass | MIT |
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- Official
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Design safe Django and PostgreSQL indexes from measured query plans, including B-tree, composite, covering, partial, expression, GIN/JSONB, BRIN, and concurrent migration patterns.
Django Materialized Views
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Model, migrate, refresh, and verify PostgreSQL materialized views in Django for expensive report or dashboard queries that can tolerate stale data.
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Categories
Questions about Django Safe Migration
What does Django Safe Migration do?
Write, review, and rewrite Django migrations for PostgreSQL with zero-downtime guarantees. Django Safe Migration is an agent skill from vintasoftware/django-ai-plugins. Write, review, and rewrite Django migrations for PostgreSQL with zero-downtime guarantees.
When should I use Django Safe Migration?
Django Safe Migration fits situations like: the user mentions migrations; django schema changes; deployment safety — even if they dont say zero downtime explicitly; : review this migration.
How do I install Django Safe Migration in Claude Code?
Run `npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a claude-code`. Or copy the skill folder (skills/django-safe-migration in vintasoftware/django-ai-plugins) into .claude/skills/django-safe-migration in your project. Claude Code loads it when a task matches its description.
How do I install Django Safe Migration in Codex?
Run `npx skills add vintasoftware/django-ai-plugins --skill django-safe-migration -a codex`. Or copy the skill folder (skills/django-safe-migration in vintasoftware/django-ai-plugins) into .agents/skills/django-safe-migration in your project. Codex loads it when a task matches its description.
Can I use Django Safe 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 vintasoftware/django-ai-plugins --skill django-safe-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/django-safe-migration, .gemini/skills/django-safe-migration, .github/skills/django-safe-migration and .opencode/skills/django-safe-migration in your project.
What does Django Safe Migration need to run?
Going by SKILL.md and its folder, Django Safe Migration needs the command-line tools its instructions call (python, make and docker). Our summary lists: Python 3; Docker.
Does Django Safe Migration access the network?
SKILL.md names 2 domains. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. As links in the text: postgresql.org. This is read from the text; nothing was executed.
Is Django Safe 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 Django Safe Migration use?
No licence was found for Django Safe Migration or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Django Safe Migration use?
About 4.4k tokens (SKILL.md is roughly 17k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 11k tokens, read only when the agent opens those files.
What are the alternatives to Django Safe Migration?
Skills that share tags, products or a category with Django Safe Migration: Silk Profiler (baserow/baserow, 6.1k stars), Django Migrations (PostHog/posthog, 40k stars), Django (ericrisco/rsc-harness, 167 stars) and Django Index Design (hashgraph-online/awesome-codex-plugins, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Django Safe Migration?
vintasoftware (a GitHub organization) maintains it in vintasoftware/django-ai-plugins, which has 151 GitHub stars. The repository holds 5 skills in this directory. The repository was last updated on July 23, 2026.
Source: vintasoftware/django-ai-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.