commit fd7e65bb937865fc2ae358f65f1f5e0071cef1f7 Author: Andre Landgraf Date: Wed Feb 11 11:50:54 2026 -0800 Skeleton setup for postgres-skills repo Mirrors the agent-skills repo structure with a placeholder postgres-best-practices skill and one example reference file. Co-authored-by: Cursor diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json new file mode 100644 index 0000000..56eeff7 --- /dev/null +++ b/.claude-plugin/marketplace.json @@ -0,0 +1,21 @@ +{ + "name": "postgres-skills", + "owner": { + "name": "Andre Landgraf", + "email": "andre@neon.tech" + }, + "metadata": { + "description": "Official Postgres best practices skills for coding agents", + "version": "1.0.0" + }, + "plugins": [ + { + "name": "postgres-best-practices", + "source": "./", + "description": "Postgres best practices and guidelines", + "version": "1.0.0", + "category": "database", + "tags": ["postgres", "postgresql", "best-practices", "database"] + } + ] +} diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json new file mode 100644 index 0000000..00f0ee9 --- /dev/null +++ b/.claude-plugin/plugin.json @@ -0,0 +1,14 @@ +{ + "name": "postgres-skills", + "version": "1.0.0", + "description": "Postgres best practices and guidelines for coding agents.", + "author": { + "name": "Neon", + "url": "https://neon.tech" + }, + "homepage": "https://github.com/neondatabase/postgres-skills", + "repository": "https://github.com/neondatabase/postgres-skills", + "license": "Apache-2.0", + "keywords": ["postgres", "postgresql", "best-practices", "database"], + "skills": "./skills/" +} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e43b0f9 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +.DS_Store diff --git a/AGENTS.md b/AGENTS.md new file mode 100644 index 0000000..2d62b8a --- /dev/null +++ b/AGENTS.md @@ -0,0 +1,150 @@ +# AGENTS.md + +This file provides guidance to AI coding agents (Claude Code, Cursor, Copilot, etc.) when working with code in this repository. + +For the complete Agent Skills specification, see: https://agentskills.io/specification + +## Repository Overview + +A collection of skills for coding agents for working with Postgres. Skills are packaged instructions and documentation that extend the agent's capabilities. + +## Creating a New Skill + +### Directory Structure + +``` +skills/ + {skill-name}/ # kebab-case directory name + SKILL.md # Required: skill definition + references/ # Optional: additional documentation + REFERENCE.md # Detailed technical reference + {topic}.md # Domain-specific files + scripts/ # Optional: executable scripts + {script-name}.sh # Bash scripts (preferred) + assets/ # Optional: static resources + templates/ # Document/config templates + images/ # Diagrams, examples +``` + +### Naming Conventions + +- **Skill directory**: kebab-case, must match `name` in frontmatter (e.g., `postgres-best-practices`) +- **Name field**: 1-64 chars, lowercase alphanumeric and hyphens only, no consecutive hyphens (`--`), must not start/end with `-` +- **SKILL.md**: Always uppercase, always this exact filename +- **Scripts**: `kebab-case.sh` (e.g., `deploy.sh`, `fetch-logs.sh`) + +### SKILL.md Format + +The `SKILL.md` file must contain YAML frontmatter followed by Markdown content. + +#### Frontmatter (required fields) + +```yaml +--- +name: skill-name +description: A description of what this skill does and when to use it. Include trigger phrases. Max 1024 characters. +--- +``` + +#### Frontmatter (optional fields) + +```yaml +--- +name: skill-name +description: A description of what this skill does and when to use it. +license: Apache-2.0 +compatibility: Requires git, docker, and network access +metadata: + author: example-org + version: "1.0" +allowed-tools: Bash(git:*) Read +--- +``` + +| Field | Required | Description | +| --------------- | -------- | -------------------------------------------------------------------------------- | +| `name` | Yes | Max 64 chars. Lowercase, numbers, hyphens. Must match directory name. | +| `description` | Yes | Max 1024 chars. What the skill does and when to use it. | +| `license` | No | License name or reference to bundled license file. | +| `compatibility` | No | Max 500 chars. Environment requirements (system packages, network access, etc.). | +| `metadata` | No | Arbitrary key-value mapping for additional metadata. | +| `allowed-tools` | No | Space-delimited list of pre-approved tools. (Experimental) | + +#### Body content + +The Markdown body contains skill instructions. Recommended sections: + +- Step-by-step instructions +- Examples of inputs and outputs +- Common edge cases + +```markdown +# {Skill Title} + +{Brief description of what the skill does.} + +## How It Works + +{Numbered list explaining the skill's workflow} + +## Usage + +{Instructions for using the skill, including any script invocations} + +## References + +See [the reference guide](references/REFERENCE.md) for detailed documentation. +``` + +### Best Practices for Context Efficiency + +Skills are loaded on-demand — only the skill name and description are loaded at startup. The full `SKILL.md` loads into context only when the agent decides the skill is relevant. To minimize context usage: + +- **Keep SKILL.md under 500 lines** — put detailed reference material in `references/` +- **Write specific descriptions** — helps the agent know exactly when to activate the skill +- **Use progressive disclosure** — reference supporting files that get read only when needed +- **Prefer scripts over inline code** — script execution doesn't consume context (only output does) +- **File references work one level deep** — link directly from SKILL.md to supporting files + +### Optional Directories + +#### references/ + +Contains additional documentation that agents can read when needed. Keep files focused — agents load these on demand, so smaller files mean less context usage. + +See: https://agentskills.io/specification#references + +#### scripts/ + +Contains executable code that agents can run. Scripts should: + +- Use `#!/bin/bash` shebang +- Use `set -e` for fail-fast behavior +- Write status messages to stderr: `echo "Message" >&2` +- Write machine-readable output (JSON) to stdout +- Include a cleanup trap for temp files + +#### assets/ + +Contains static resources like templates, images, and data files. + +### End-User Installation + +**Claude Code:** + +```bash +cp -r skills/{skill-name} ~/.claude/skills/ +``` + +**claude.ai:** +Add the skill to project knowledge or paste SKILL.md contents into the conversation. + +If the skill requires network access, instruct users to add required domains at `claude.ai/settings/capabilities`. + +### Validation + +Use the skills-ref tool to validate your skills: + +```bash +skills-ref validate ./my-skill +``` diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..05c8a91 --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Once installed, skills are automatically invoked by the agent upon detection of relevant tasks. + +It all starts with the `SKILL.md` file in the skill's directory. It's the entry point and allows agents to progressively discover information as needed. + +## Available Skills + +### Postgres Best Practices + +[skills/postgres-best-practices](skills/postgres-best-practices/SKILL.md) + +Best practices and guidelines for working with Postgres. Covers schema design, indexing, query optimization, and common pitfalls. + +## Installation + +```bash +npx add-skill neondatabase/postgres-skills +``` diff --git a/package.json b/package.json new file mode 100644 index 0000000..ba3513e --- /dev/null +++ b/package.json @@ -0,0 +1,24 @@ +{ + "name": "@neondatabase/postgres-skills", + "version": "1.0.0", + "description": "A collection of Agent Skills for Postgres best practices", + "license": "Apache-2.0", + "repository": { + "type": "git", + "url": "https://github.com/neondatabase/postgres-skills" + }, + "author": { + "name": "Neon", + "url": "https://neon.tech" + }, + "keywords": [ + "postgres", + "postgresql", + "best-practices", + "agent-skills", + "claude-code" + ], + "scripts": { + "fmt": "npx prettier --write ." + } +} diff --git a/skills/postgres-best-practices/SKILL.md b/skills/postgres-best-practices/SKILL.md new file mode 100644 index 0000000..43f3468 --- /dev/null +++ b/skills/postgres-best-practices/SKILL.md @@ -0,0 +1,14 @@ +--- +name: postgres-best-practices +description: Best practices and guidelines for working with Postgres. Covers schema design, indexing strategies, query optimization, migrations, and common pitfalls. Use when writing SQL, designing database schemas, optimizing queries, or setting up a Postgres database. +--- + +# Postgres Best Practices + +Guidelines and best practices for working with Postgres, covering schema design, indexing, query optimization, and common pitfalls. + +## References + +| Area | Resource | When to Use | +| -------------- | --------------------------------- | ------------------------------------------------ | +| Schema Design | `references/schema-design.md` | Designing tables, choosing data types, normalizing | diff --git a/skills/postgres-best-practices/references/schema-design.md b/skills/postgres-best-practices/references/schema-design.md new file mode 100644 index 0000000..ffea172 --- /dev/null +++ b/skills/postgres-best-practices/references/schema-design.md @@ -0,0 +1,9 @@ +# Schema Design + +Best practices for designing Postgres schemas. + +## Choosing Data Types + +- Prefer `text` over `varchar(n)` unless a length constraint is meaningful to the domain. +- Use `timestamptz` instead of `timestamp` to always store timezone-aware timestamps. +- Use `uuid` for primary keys when IDs may be exposed externally or generated client-side.