Mail Time
veliovgroup/mail-time
A skill your agent uses when building, wiring, reviewing, or debugging MailTime and ostrio:mailer email queues for horizontally scaled Node.js, Bun, or Meteor apps.
Pattern library discovery for pattern-first development. An agent skill from bybren-llc/safe-agentic-workflow.
Install Pattern Discovery
$ npx skills add bybren-llc/safe-agentic-workflow --skill pattern-discovery -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install bybren-llc/safe-agentic-workflow pattern-discovery --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/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/pattern-discovery .claude/skills/pattern-discovery && 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 "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .claude/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discoveryType 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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install bybren-llc/safe-agentic-workflow pattern-discovery --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/pattern-discovery .agents/skills/pattern-discovery && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .agents/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install bybren-llc/safe-agentic-workflow pattern-discovery --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/pattern-discovery .cursor/skills/pattern-discovery && 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 "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .cursor/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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/bybren-llc/safe-agentic-workflow.git --path .claude/skills/pattern-discovery--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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install bybren-llc/safe-agentic-workflow pattern-discovery --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/pattern-discovery .gemini/skills/pattern-discovery && 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 "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .gemini/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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 bybren-llc/safe-agentic-workflow pattern-discoveryInstalls 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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/pattern-discovery .github/skills/pattern-discovery && 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 "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .github/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install bybren-llc/safe-agentic-workflow pattern-discovery --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/bybren-llc/safe-agentic-workflow.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/pattern-discovery .opencode/skills/pattern-discovery && 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 "pattern-discovery" agent skill from https://github.com/bybren-llc/safe-agentic-workflow/tree/main/.claude/skills/pattern-discovery into .opencode/skills/pattern-discovery/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pattern-discovery", 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
pattern-discovery- GitHub stars
- 421
- Token cost
- ~1.5k tokens
- SKILL.md length
- 402 words
- Files
- 2
- Skills in repo
- 42
- Repo updated
- First seen
- Licence
- MIT
At a glance
Pattern library discovery for pattern-first development. An agent skill from bybren-llc/safe-agentic-workflow.
- Works in 3 steps: Check Pattern Library → Review Pattern Index → Apply or Escalate
- Tasks that involve Database administration
- SKILL.md covers Purpose, When to Use, Pattern Discovery Protocol and Pattern Library Structure, plus 4 more sections
- Calls yarn
What it does
Pattern Discovery is an agent skill from bybren-llc/safe-agentic-workflow. Pattern library discovery for pattern-first development. Use BEFORE implementing any new feature, creating components, writing API routes, or adding database operations. Ensures existing patterns are checked first before writing new code.
Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `README.md`).
It sits in Databases, covering Database administration. The repository describes itself as: SAW — SAFe Agentic Workflow AI Agent Harness for Multi-Agent Team Workflows Built on SAFe methodology (Scaled Agile Framework), adapted for AI agent teams (Now With AI-DLC!)… The licence is MIT.
When your agent uses it
- Tasks that involve Database administration
Example prompts
- “/pattern-discovery”
Requirements
- Pre-approved tools (allowed-tools): Read, Grep, Glob
Workflow steps
3 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 26ca58b. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadGrepGlob
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
yarn
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use yarn, which can reach the network depending on how they are called.
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
Pattern Discovery loads about 1.5k tokens when it runs. Until then it costs about 64 tokens; SKILL.md has 402 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
The full file from bybren-llc/safe-agentic-workflow at commit 26ca58b, republished under its MIT licence (© bybren-llc). 402 words, ~1,485 tokens.
Download SKILL.mdSave it as
.claude/skills/pattern-discovery/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- pattern-discovery
- description
- Pattern library discovery for pattern-first development. Use BEFORE implementing any new feature, creating components, writing API routes, or adding database operations. Ensures existing patterns are checked first before writing new code.
- allowed-tools
- Read, Grep, Glob
- context
- fork
- agent
- Explore
Pattern Discovery Skill
Purpose
Enforce pattern-first development by checking the Pattern library before implementing new functionality. This reduces code duplication, ensures consistency, and leverages battle-tested solutions.
When to Use
Invoke this skill when:
- About to create a new API route
- About to create a new UI component
- About to add database operations
- About to write integration tests
- User asks "how do I implement..." or "how should I build..."
- Starting work on any feature implementation
Pattern Discovery Protocol
ALWAYS follow this sequence before writing new code:
Step 1: Check Pattern Library
Search patterns_library/ for existing patterns:
# Find patterns by category
ls patterns_library/api/ # API route patterns
ls patterns_library/ui/ # UI component patterns
ls patterns_library/database/ # Database operation patterns
ls patterns_library/testing/ # Testing patternsStep 2: Review Pattern Index
Check patterns_library/README.md for the complete pattern index:
| Category | Patterns Available |
|---|---|
| API | User Context, Admin Context, Webhook Handler, Zod Validation, Bonus Content |
| UI | Authenticated Page, Form with Validation, Data Table, Marketing Page |
| Database | RLS Migration, Prisma Transaction, Server Component Access |
| Testing | API Integration Test, E2E User Flow |
| Security | Input Sanitization, Rate Limiting, Secrets Management |
| CI | GitHub Actions Workflow, Deployment Pipeline |
| Config | Environment Config, Structured Logging |
Step 3: Apply or Escalate
If pattern exists:
- Read the pattern file
- Copy the code pattern
- Follow the customization guide
- Run validation commands
If pattern is missing:
- Search codebase for similar implementations
- If found, consider extracting as new pattern (BSA/ARCHitect only)
- If not found, implement from scratch following existing conventions
- Report pattern gap to BSA for future extraction
Pattern Library Structure
patterns_library/
├── README.md # Pattern index and usage guide
├── api/
│ ├── user-context-api.md
│ ├── admin-context-api.md
│ ├── webhook-handler.md
│ ├── zod-validation-api.md
│ └── bonus-content-delivery.md
├── ui/
│ ├── authenticated-page.md
│ ├── form-with-validation.md
│ ├── data-table.md
│ └── marketing-page.md
├── database/
│ ├── rls-migration.md
│ ├── prisma-transaction.md
│ └── server-component-direct-access.md
├── testing/
│ ├── api-integration-test.md
│ └── e2e-user-flow.md
├── security/
│ ├── input-sanitization.md
│ ├── rate-limiting.md
│ └── secrets-management.md
├── ci/
│ ├── github-actions-workflow.md
│ └── deployment-pipeline.md
└── config/
├── environment-config.md
└── structured-logging.mdShow full SKILL.md (169 more words)Show less
Pattern Matching Guide
| If you need to... | Use this pattern |
|---|---|
| Create authenticated API endpoint | api/user-context-api.md |
| Create admin-only API endpoint | api/admin-context-api.md |
| Handle external webhooks | api/webhook-handler.md |
| Validate API input with Zod | api/zod-validation-api.md |
| Serve private downloadable content | api/bonus-content-delivery.md |
| Create protected page | ui/authenticated-page.md |
| Build form with validation | ui/form-with-validation.md |
| Display paginated data | ui/data-table.md |
| Create marketing/landing page | ui/marketing-page.md |
| Add new table with RLS | database/rls-migration.md |
| Run multi-step DB operations | database/prisma-transaction.md |
| Test API endpoints | testing/api-integration-test.md |
| Write E2E user flow tests | testing/e2e-user-flow.md |
| Sanitize user input | security/input-sanitization.md |
| Add API rate limiting | security/rate-limiting.md |
| Manage secrets/env vars | security/secrets-management.md |
| Set up CI/CD pipeline | ci/github-actions-workflow.md |
| Configure deployment stages | ci/deployment-pipeline.md |
| Load environment configuration | config/environment-config.md |
| Add structured logging | config/structured-logging.md |
Security Requirements
All patterns enforce:
- RLS Context - Database operations use
withUserContext,withAdminContext, orwithSystemContext - Authentication - Protected routes verify auth before processing
- Input Validation - All inputs validated with Zod schemas
- Error Handling - Comprehensive error handling with proper status codes
Validation Commands
After applying a pattern, run:
yarn lint && yarn type-check # All patterns
yarn test:integration # API patterns
yarn test:e2e # UI patternsAuthoritative Reference
- Pattern Index:
patterns_library/README.md - RLS Patterns: See
rls-patternsskill for database security - Frontend Patterns: See
frontend-patternsskill for UI conventions
© bybren-llc, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in .claude/skills/pattern-discovery of bybren-llc/safe-agentic-workflow.
- SKILL.md
- README.md
Open the folder on GitHubat commit 26ca58b
Compare with similar skills
Pattern Discovery 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 |
|---|---|---|---|---|---|---|
| Pattern Discovery this skillbybren-llc/safe-agentic-workflow | 421 | — | ~1.5k | Automated safety check: Pass | MIT | |
| Mail Timeveliovgroup/mail-time | 143 | — | ~1k | Automated safety check: Pass | BSD-3-Clause | |
| YBA Read-Only Query CLIyugabyte/yugabyte-db | 11k | — | ~1.1k | Automated safety check: Pass | Custom licence | |
| DB Ops SopOpenDCAI/DataMind | 423 | — | ~388 | Automated safety check: Pass | Apache-2.0 | |
| Golang Samber Hotsamber/cc-skills-golang | 3.4k | — | ~2k | Automated safety check: Pass | MIT | |
| Database Backupssickn33/agentic-awesome-skills | 47k | 2 repos | ~3.1k | Automated safety check: Notes | MIT |
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Related
Categories
Questions about Pattern Discovery
What does Pattern Discovery do?
Pattern library discovery for pattern-first development. An agent skill from bybren-llc/safe-agentic-workflow. Pattern Discovery is an agent skill from bybren-llc/safe-agentic-workflow. Pattern library discovery for pattern-first development.
When should I use Pattern Discovery?
Pattern Discovery fits situations like: tasks that involve Database administration.
How do I install Pattern Discovery in Claude Code?
Run `npx skills add bybren-llc/safe-agentic-workflow --skill pattern-discovery -a claude-code`. Or copy the skill folder (.claude/skills/pattern-discovery in bybren-llc/safe-agentic-workflow) into .claude/skills/pattern-discovery in your project. Claude Code loads it when a task matches its description.
How do I install Pattern Discovery in Codex?
Run `npx skills add bybren-llc/safe-agentic-workflow --skill pattern-discovery -a codex`. Or copy the skill folder (.claude/skills/pattern-discovery in bybren-llc/safe-agentic-workflow) into .agents/skills/pattern-discovery in your project. Codex loads it when a task matches its description.
Can I use Pattern Discovery 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 bybren-llc/safe-agentic-workflow --skill pattern-discovery -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pattern-discovery, .gemini/skills/pattern-discovery, .github/skills/pattern-discovery and .opencode/skills/pattern-discovery in your project.
What does Pattern Discovery need to run?
Going by SKILL.md and its folder, Pattern Discovery needs the command-line tools its instructions call (yarn). Its frontmatter pre-approves these tools: Read, Grep, Glob.
Does Pattern Discovery 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 Pattern Discovery 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 Pattern Discovery use?
Pattern Discovery 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 Pattern Discovery use?
About 1.5k tokens (SKILL.md is roughly 5.9k 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 Pattern Discovery?
Skills that share tags, products or a category with Pattern Discovery: Mail Time (veliovgroup/mail-time, 143 stars), YBA Read-Only Query CLI (yugabyte/yugabyte-db, 11k stars), DB Ops Sop (OpenDCAI/DataMind, 423 stars) and Golang Samber Hot (samber/cc-skills-golang, 3.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Pattern Discovery?
bybren-llc (a GitHub organization) maintains it in bybren-llc/safe-agentic-workflow, which has 421 GitHub stars. The repository holds 42 skills in this directory. The repository was last updated on July 20, 2026.
Source: bybren-llc/safe-agentic-workflow on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.