building-incident-timeline-with-timesketch

building-incident-timeline-with-timesketch is a skill for Claude Code from 26zl/cybersec-toolkit. It costs 38 tokens per session (2,198 once invoked), scanned B, original, MIT.

A set of instructions for building shared forensic timelines in Timesketch, an open-source tool for investigating security incidents. It combines events from endpoints, servers, and cloud services into one searchable chronological view.

In plain words
What is it for?
Use it to ingest logs and forensic artifacts, analyse attack chains, tag evidence, and record incident findings.
Why use it?
It helps investigators reconstruct the order of events across many data sources. Shared tags, notes, and stories make the investigation easier to document and review.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Part of the cybersec-toolkit plugin — 197 skills, 2 hooks, 1 MCP server shipped together

Good fit Use it to ingest logs and forensic artifacts, analyse attack chains, tag evidence, and record incident findings.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add 26zl/cybersec-toolkit --skill building-incident-timeline-with-timesketch
Clone the repo
git clone --depth 1 https://github.com/26zl/cybersec-toolkit

Made for: Claude Code.

Or install cybersec-toolkit, the plugin that ships this one along with the rest of its 197 skills, 2 hooks, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for building-incident-timeline-with-timesketch

README.md
[![agentmods](https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch/github.svg)](https://agentmods.dev/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch)
Your own site
<a href="https://agentmods.dev/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch"><img src="https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for building-incident-timeline-with-timesketch

Your own site · 80×15
<a href="https://agentmods.dev/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch"><img src="https://agentmods.dev/badge/skills/26zl/cybersec-toolkit/building-incident-timeline-with-timesketch.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,198 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Privilege Escalation · line 90
    Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.
    Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00038 $0.02198
Opus 5 $0.00019 $0.01099
Sonnet 5 $0.00008 $0.00440
Haiku 4.5 $0.00004 $0.00220

Measured 9d ago against content hash f290286d58c1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

building-incident-timeline-with-timesketch scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/agent.py, scripts/process.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo docker compose up -d
Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.claude/skills/building-incident-timeline-with-timesketch/SKILL.md · 271 lines

How it starts

The opening of the file, as written. The whole thing — 271 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Building Incident Timeline with Timesketch

Overview

Timesketch is an open-source collaborative forensic timeline analysis tool developed by Google that enables security teams to visualize and analyze chronological data from multiple sources during incident investigations. It ingests logs and artifacts from endpoints, servers, and cloud services, normalizes them into a unified searchable timeline, and provides powerful analysis capabilities including built-in analyzers, tagging, sketch annotations, and story building. Timesketch integrates with Plaso (log2timeline) for artifact parsing and supports direct CSV/JSONL ingestion for rapid timeline construction during active incidents.

When to Use

  • When deploying or configuring building incident timeline with timesketch 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

  • Familiarity with incident response concepts and tools
  • Access to a test or lab environment for safe execution
  • Python 3.8+ with required dependencies installed
  • Appropriate authorization for any testing activities

Architecture and Components

Core Components

  • Timesketch Server: Web application with REST API for timeline management
  • OpenSearch/Elasticsearch: Backend storage and search engine for timeline events
  • PostgreSQL: Metadata storage for sketches, stories, and user data
  • Redis: Task queue management for background processing
  • Celery Workers: Asynchronous processing of timeline uploads and analyzers

Data Flow

Evidence Sources --> Plaso/log2timeline --> Plaso storage file (.plaso)
     |                                           |
     v                                           v
  CSV/JSONL --> Timesketch Importer --> OpenSearch Index
                                           |
                                           v
                                    Timesketch Web UI
                                    (Search, Analyze, Story)

Read the full file on GitHub · 271 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 271 lines · 38 tokens per session scan B f290286d58c1

Subscribe to this mod's changes

building-incident-timeline-with-timesketch is a skill published in the GitHub repository 26zl/cybersec-toolkit (54 stars, last pushed today), licensed MIT. It adds 38 tokens to every session and 2,198 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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