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Agent skill

Nestjs Scheduling

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS.

MITAuto-check passedProductivity & Automation

Install Nestjs Scheduling

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill nestjs-scheduling -a claude-code

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

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard nestjs-scheduling --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/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/nestjs/nestjs-scheduling .claude/skills/nestjs-scheduling && 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/

Facts

Skill name
nestjs-scheduling
GitHub stars
572
Token cost
~623 tokens
SKILL.md length
261 words
Files
3 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS.

  • Works in 6 steps: Register ScheduleModule — Import… → Create cron handler — Decorate service… → Add distributed lock — Apply Redis lock… → …
  • Adding @Cron scheduled tasks
  • SKILL.md covers Priority: P1 (HIGH), Workflow: Add Scheduled Task, Problem & Solution and Cron Decorator Pattern, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Nestjs Scheduling is an agent skill from HoangNguyen0403/agent-skills-standard. Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS. Use when adding @Cron scheduled tasks, preventing duplicate runs across pods, or delegating heavy work to queue workers.

Its SKILL.md is about 620 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `evals/evals.json` and `references/example.md`).

It sits in Productivity & Automation, covering Scheduled and recurring tasks. It works with NestJS and Redis. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • Adding @Cron scheduled tasks
  • Preventing duplicate runs across pods
  • Delegating heavy work to queue workers

Example prompts

  • “/nestjs-scheduling”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Register ScheduleModule — Import ScheduleModule.forRoot() in AppModule.
  2. Create cron handler — Decorate service method with @Cron(CronExpression.*).
  3. Add distributed lock — Apply Redis lock decorator to prevent multi-pod duplication.
  4. Offload heavy work — Push job IDs to BullMQ; let workers process them.
  5. Wrap in try/catch — Uncaught exceptions in cron handlers crash entire Node process.
  6. Verify — Test with 2+ instances to confirm only one acquires lock.

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. 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

    No scripts in the folder and no shell commands in SKILL.md.

    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

Nestjs Scheduling loads about 623 tokens when it runs, and up to ~812 if it reads all its reference files. Until then it costs about 57 tokens; SKILL.md has 261 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~57
When it runs · the whole SKILL.md, loaded when a task matches
~623
With references · SKILL.md plus every file in references/, read only if the agent opens them
~812

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 HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 261 words, ~623 tokens.

Download SKILL.mdSave it as .claude/skills/nestjs-scheduling/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
nestjs-scheduling
description
Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS. Use when adding @Cron scheduled tasks, preventing duplicate runs across pods, or delegating heavy work to queue workers.

Task Scheduling & Jobs

Priority: P1 (HIGH)

Workflow: Add Scheduled Task

  1. Register ScheduleModule — Import ScheduleModule.forRoot() in AppModule.
  2. Create cron handler — Decorate service method with @Cron(CronExpression.*).
  3. Add distributed lock — Apply Redis lock decorator to prevent multi-pod duplication.
  4. Offload heavy work — Push job IDs to BullMQ; let workers process them.
  5. Wrap in try/catch — Uncaught exceptions in cron handlers crash entire Node process.
  6. Verify — Test with 2+ instances to confirm only one acquires lock.

Problem & Solution

  • Problem: @Cron() runs on every instance. In K8s with 3 pods, your "Daily Report" runs 3 times.
  • Solution: Distributed Locking using Redis.
  • Pattern: Using decorator to wrap cron method.
  • Logic: SET resource_name my_random_value NX PX 30000 (Redis Atomic Set).

Cron Decorator Pattern

  • Implementation:

See implementation examples

  • Tools: Use nestjs-redlock or custom Redis wrapper via redlock library.

Cron-to-Queue Offload

See implementation examples

Job Robustness

  • Isolation: Never perform heavy processing inside Cron handler.
  • Pattern: Cron -> Push Job ID to Queue (BullMQ) -> Worker processes it.
  • Why: Cron schedulers can get blocked by Event Loop; Workers scalable.
  • Error Handling: Wrap ALL cron logic in try/catch. Uncaught exceptions in Cron job can crash entire Node process.

Anti-Patterns

  • No unguarded cron logic: Always wrap in try/catch; uncaught exceptions crash entire Node process.
  • No direct cron processing: Push to BullMQ queue; workers scalable, cron handlers not.
  • No bare @Cron in multi-pod: Use distributed locking (redlock) to prevent duplicate concurrent runs.

Canonical response anchors

When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:

  • crash

Remediation anchors

  • Remediation anchors: BullMQ, event loop, worker

© HoangNguyen0403, 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 2 other files (references) in skills/nestjs/nestjs-scheduling of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/example.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Nestjs Scheduling 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.

Nestjs Scheduling compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Nestjs Scheduling this skillHoangNguyen0403/agent-skills-standard572—~623Automated safety check: PassMIT
Daoyou Backend API SecurityChurchTao/Daoyou147—~3kAutomated safety check: PassGPL-3.0
Cohesivityaiskillstore/marketplace4332 repos~3.7kAutomated safety check: PassNone
Observatoryjgravelle/jcodemunch-mcp2.8k—~782Automated safety check: PassCustom licence
Schkedbibendi/schked138—~454Automated safety check: PassMIT
Funboost Timing Jobsydf0509/funboost895—~938Automated safety check: PassNone

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Works with

Categories

Questions about Nestjs Scheduling

What does Nestjs Scheduling do?

Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS. Nestjs Scheduling is an agent skill from HoangNguyen0403/agent-skills-standard. Implement distributed cron jobs with Redis-based locking and BullMQ offloading in NestJS.

When should I use Nestjs Scheduling?

Nestjs Scheduling fits situations like: adding @Cron scheduled tasks; preventing duplicate runs across pods; delegating heavy work to queue workers.

How do I install Nestjs Scheduling in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nestjs-scheduling -a claude-code`. Or copy the skill folder (skills/nestjs/nestjs-scheduling in HoangNguyen0403/agent-skills-standard) into .claude/skills/nestjs-scheduling in your project. Claude Code loads it when a task matches its description.

How do I install Nestjs Scheduling in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nestjs-scheduling -a codex`. Or copy the skill folder (skills/nestjs/nestjs-scheduling in HoangNguyen0403/agent-skills-standard) into .agents/skills/nestjs-scheduling in your project. Codex loads it when a task matches its description.

Can I use Nestjs Scheduling 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 HoangNguyen0403/agent-skills-standard --skill nestjs-scheduling -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/nestjs-scheduling, .gemini/skills/nestjs-scheduling, .github/skills/nestjs-scheduling and .opencode/skills/nestjs-scheduling in your project.

What does Nestjs Scheduling need to run?

SKILL.md names no scripts, command-line tools or credentials: Nestjs Scheduling is instructions for the agent only.

Does Nestjs Scheduling 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 Nestjs Scheduling 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 Nestjs Scheduling use?

Nestjs Scheduling 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 Nestjs Scheduling use?

About 623 tokens (SKILL.md is roughly 2.5k 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 189 tokens, read only when the agent opens those files.

What are the alternatives to Nestjs Scheduling?

Skills that share tags, products or a category with Nestjs Scheduling: Daoyou Backend API Security (ChurchTao/Daoyou, 147 stars), Cohesivity (aiskillstore/marketplace, 433 stars), Observatory (jgravelle/jcodemunch-mcp, 2.8k stars) and Schked (bibendi/schked, 138 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Nestjs Scheduling?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.