Agent skill

Implementing Log Forwarding With Fluentd

by mukul975 in mukul975/Anthropic-Cybersecurity-Skills

Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for…

Apache-2.0Auto-check passedBackend & APIs

Install Implementing Log Forwarding With Fluentd

skills CLI
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-log-forwarding-with-fluentd -a claude-code

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

GitHub CLI
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills implementing-log-forwarding-with-fluentd --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/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/implementing-log-forwarding-with-fluentd .claude/skills/implementing-log-forwarding-with-fluentd && 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
implementing-log-forwarding-with-fluentd
GitHub stars
34k
Token cost
~697 tokens
SKILL.md length
247 words
Files
4 (incl. scripts, references)
Skills in repo
644
Repo updated
First seen
Licence
Apache-2.0

At a glance

Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for…

  • Works in 6 steps: Generate Fluent Bit Configuration —… → Generate Fluentd Aggregator… → Configure Log Filtering and Enrichment —… → …
  • Setting up centralized log aggregation across distributed infrastructure
  • SKILL.md covers Overview, When to Use, Prerequisites and Steps, plus 1 more section
  • Runs Python scripts from its folder

What it does

Implementing Log Forwarding With Fluentd is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for syslog/file-tailing/application logs and output routing to Elasticsearch, S3, and Splunk. Use when setting up centralized log aggregation across distributed infrastructure or generating Fluent Bit/Fluentd configuration files for a new log pipeline.

Its SKILL.md is about 700 tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including scripts and reference files (for example `references/api-reference.md` and `scripts/agent.py`).

It sits in Backend & APIs, covering Search implementation, File uploads and storage and Observability. It works with Elasticsearch and Splunk. The repository describes itself as: 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io…. The licence is Apache-2.0.

When your agent uses it

  • Setting up centralized log aggregation across distributed infrastructure
  • Generating Fluent Bit/Fluentd configuration files for a new log pipeline

Example prompts

  • “Use the implementing-log-forwarding-with-fluentd skill to configure Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator…”
  • “/implementing-log-forwarding-with-fluentd”

Requirements

  • Python 3

Workflow steps

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

  1. Generate Fluent Bit Configuration — Create input, filter, and output configuration for endpoint log collection
  2. Generate Fluentd Aggregator Configuration — Configure the central Fluentd instance with forward input, parsing, and multi-output routing
  3. Configure Log Filtering and Enrichment — Add record_transformer and grep filters for log enrichment and noise reduction
  4. Validate Configuration Syntax — Parse and validate Fluentd/Fluent Bit configuration files for syntax errors
  5. Test Log Forwarding — Send test events via fluent-logger Python library and verify delivery
  6. Generate Deployment Report — Produce configuration summary with routing topology and health metrics

What it can do on your machine

Read from SKILL.md and the folder at commit 54a7988. 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

    Ships 1 file in scripts/ (Python), which the agent can run.

    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

Implementing Log Forwarding With Fluentd loads about 697 tokens when it runs, and up to ~1.3k if it reads all its reference files. Until then it costs about 118 tokens; SKILL.md has 247 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~118
When it runs · the whole SKILL.md, loaded when a task matches
~697
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.3k

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); the scripts in this folder are not scanned.

SKILL.md

The full file from mukul975/Anthropic-Cybersecurity-Skills at commit 54a7988, republished under its Apache-2.0 licence (© mukul975). 247 words, ~697 tokens.

Download SKILL.mdSave it as .claude/skills/implementing-log-forwarding-with-fluentd/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
implementing-log-forwarding-with-fluentd
description
Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for syslog/file-tailing/application logs and output routing to Elasticsearch, S3, and Splunk. Use when setting up centralized log aggregation across distributed infrastructure or generating Fluent Bit/Fluentd configuration files for a new log pipeline.
domain
cybersecurity
subdomain
security-operations
tags
fluentd, fluent-bit, log-aggregation, log-forwarding, siem, centralized-logging, observability
version
1.0
author
mahipal
license
Apache-2.0
nist_csf
DE.CM-01, RS.MA-01, GV.OV-01, DE.AE-02
mitre_attack
T1078, T1190, T1059, T1685.002, T1685.005

Implementing Log Forwarding with Fluentd

Overview

This skill covers configuring Fluentd and Fluent Bit for centralized log collection, routing, and enrichment. Fluent Bit acts as a lightweight log forwarder on endpoints, while Fluentd serves as the central aggregator and processor. The configuration covers input plugins for syslog, file tailing, and application logs, with output routing to Elasticsearch, S3, and Splunk.

When to Use

  • When deploying or configuring implementing log forwarding with fluentd capabilities in your environment
  • When establishing security controls aligned to compliance requirements
  • When building or improving security architecture for this domain
  • When conducting security assessments that require this implementation

Prerequisites

  • Fluentd (td-agent) v1.16+ or Fluent Bit v3.0+
  • Python 3.8+ with fluent-logger library
  • Elasticsearch or Splunk for log destination
  • Network access on port 24224 (Fluentd forward protocol)
  • Ruby 2.7+ (for Fluentd plugin development)

Steps

  1. Generate Fluent Bit Configuration — Create input, filter, and output configuration for endpoint log collection
  2. Generate Fluentd Aggregator Configuration — Configure the central Fluentd instance with forward input, parsing, and multi-output routing
  3. Configure Log Filtering and Enrichment — Add record_transformer and grep filters for log enrichment and noise reduction
  4. Validate Configuration Syntax — Parse and validate Fluentd/Fluent Bit configuration files for syntax errors
  5. Test Log Forwarding — Send test events via fluent-logger Python library and verify delivery
  6. Generate Deployment Report — Produce configuration summary with routing topology and health metrics

Expected Output

  • Fluent Bit and Fluentd configuration files (INI/YAML format)
  • Configuration validation report
  • Log routing topology diagram (text-based)
  • Test event delivery confirmation

© mukul975, Apache-2.0. 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 3 other files (scripts, references) in skills/implementing-log-forwarding-with-fluentd of mukul975/Anthropic-Cybersecurity-Skills.

  • SKILL.md
  • LICENSE
  • references/api-reference.md
  • scripts/agent.py

Open the folder on GitHubat commit 54a7988

Compare with similar skills

Implementing Log Forwarding With Fluentd 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.

Implementing Log Forwarding With Fluentd compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Implementing Log Forwarding With Fluentd this skillmukul975/Anthropic-Cybersecurity-Skills34k—~697Automated safety check: PassApache-2.0
Cloud Provisioningelastic/agent-skills592—~5.4kAutomated safety check: PassApache-2.0
Elk Stacksickn33/agentic-awesome-skills47k1 repos~2.6kAutomated safety check: PassMIT
Setting Up Log Aggregationjeremylongshore/tons-of-skills-marketplace2.8k—~1.1kAutomated safety check: PassMIT
Test Exposed Servicescyberful/cyberful135—~866Automated safety check: PassAGPL-3.0
Kratos Developmentaide-family/moon253—~1.5kAutomated safety check: PassNone

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Questions about Implementing Log Forwarding With Fluentd

What does Implementing Log Forwarding With Fluentd do?

Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for…. Implementing Log Forwarding With Fluentd is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Configures Fluent Bit as an endpoint log forwarder and Fluentd as the central aggregator for centralized log collection, routing, filtering, and enrichment, covering input plugins for syslog/file-tailing/application logs and output routing to Elasticsearch, S3, and Splunk.

When should I use Implementing Log Forwarding With Fluentd?

Implementing Log Forwarding With Fluentd fits situations like: setting up centralized log aggregation across distributed infrastructure; generating Fluent Bit/Fluentd configuration files for a new log pipeline.

How do I install Implementing Log Forwarding With Fluentd in Claude Code?

Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-log-forwarding-with-fluentd -a claude-code`. Or copy the skill folder (skills/implementing-log-forwarding-with-fluentd in mukul975/Anthropic-Cybersecurity-Skills) into .claude/skills/implementing-log-forwarding-with-fluentd in your project. Claude Code loads it when a task matches its description.

How do I install Implementing Log Forwarding With Fluentd in Codex?

Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-log-forwarding-with-fluentd -a codex`. Or copy the skill folder (skills/implementing-log-forwarding-with-fluentd in mukul975/Anthropic-Cybersecurity-Skills) into .agents/skills/implementing-log-forwarding-with-fluentd in your project. Codex loads it when a task matches its description.

Can I use Implementing Log Forwarding With Fluentd 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 mukul975/Anthropic-Cybersecurity-Skills --skill implementing-log-forwarding-with-fluentd -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/implementing-log-forwarding-with-fluentd, .gemini/skills/implementing-log-forwarding-with-fluentd, .github/skills/implementing-log-forwarding-with-fluentd and .opencode/skills/implementing-log-forwarding-with-fluentd in your project.

What does Implementing Log Forwarding With Fluentd need to run?

Going by SKILL.md and its folder, Implementing Log Forwarding With Fluentd needs Python for the scripts in its folder. Our summary lists: Python 3.

Does Implementing Log Forwarding With Fluentd 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 Implementing Log Forwarding With Fluentd 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Implementing Log Forwarding With Fluentd use?

Implementing Log Forwarding With Fluentd is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Implementing Log Forwarding With Fluentd use?

About 697 tokens (SKILL.md is roughly 2.8k 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 561 tokens, read only when the agent opens those files.

What are the alternatives to Implementing Log Forwarding With Fluentd?

Skills that share tags, products or a category with Implementing Log Forwarding With Fluentd: Cloud Provisioning (elastic/agent-skills, 592 stars), Elk Stack (sickn33/agentic-awesome-skills, 47k stars), Setting Up Log Aggregation (jeremylongshore/tons-of-skills-marketplace, 2.8k stars) and Test Exposed Services (cyberful/cyberful, 135 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Implementing Log Forwarding With Fluentd?

mukul975 (a GitHub user) maintains it in mukul975/Anthropic-Cybersecurity-Skills, which has 33,993 GitHub stars. The repository holds 644 skills in this directory. The repository was last updated on August 31, 2026.

Source: mukul975/Anthropic-Cybersecurity-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.