tachi: Skill for Claude Code

.claude/skills/kb-create/SKILL.md

kb-create is a skill for Claude Code from davidmatousek/tachi. It costs 73 tokens per session (3,775 once invoked), scanned A, original, Apache-2.0.

A guided way to create structured knowledge-base entries for reusable solutions and specific bug fixes.

In plain words
What is it for?
Use it to document solutions, design guidance, error fixes, and other entries that your team may need to find later.
Why use it?
It helps you decide whether an issue belongs in a reusable pattern or a bug record, while checking that the entry has the expected information and structure.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is davidmatousek/tachi's own configuration. It tells Claude Code how to work on tachi itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything tachi configures →

Reuse

Borrowing it

Nothing to install: this file belongs to davidmatousek/tachi. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/davidmatousek/tachi/main/.claude/skills/kb-create/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/davidmatousek/tachi

Made for: Claude Code.

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 kb-create

README.md
[![agentmods](https://agentmods.dev/badge/skills/davidmatousek/tachi/kb-create/github.svg)](https://agentmods.dev/skills/davidmatousek/tachi/kb-create)
Your own site
<a href="https://agentmods.dev/skills/davidmatousek/tachi/kb-create"><img src="https://agentmods.dev/badge/skills/davidmatousek/tachi/kb-create/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 kb-create

Your own site · 80×15
<a href="https://agentmods.dev/skills/davidmatousek/tachi/kb-create"><img src="https://agentmods.dev/badge/skills/davidmatousek/tachi/kb-create.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,775 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
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 $0.00073 $0.03775
Opus 5.5 $0.00029 $0.01510
Sonnet 5.5 $0.00015 $0.00755
Haiku 4.5 $0.00007 $0.00378

Measured 1mo ago against content hash 634b8084e3de, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

kb-create scanned grade A 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 1mo ago.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl http://localhost:3000/health
Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • kb-create — 100% identical, 0 lines differ
.claude/skills/kb-create/SKILL.md · 632 lines

How it starts

The opening of the file, as written. The whole thing — 632 lines — stays where its author put it; the contents beside it link to each section on GitHub.

KB Create Skill

Purpose

Guided pattern and bug creation with interactive prompts, automatic quality validation, and improvement suggestions. Ensures high-quality KB entries that meet institutional knowledge standards.

Decision Tree: Pattern vs Bug

Should I create a PATTERN or BUG entry?

START: Do you have a reusable solution or specific error fix?
  ↓
Is this a specific error with an exact error message?
  → YES: Is the solution configuration/environment-specific?
    → YES: Create BUG entry
    → NO: Could be either - is it reusable across projects?
      → YES: Create PATTERN
      → NO: Create BUG
  → NO: Is this a general solution to a common problem?
    → YES: Create PATTERN
    → NO: Is it a design decision or architectural guidance?
      → YES: Create PATTERN
      → NO: Maybe not KB-worthy - consider documentation instead

Pattern: Reusable solutions, design patterns, best practices, architectural guidance Bug: Specific errors with exact error messages, environment issues, configuration fixes

Pattern Creation Workflow

Step 1: Collect Basic Information

Creating new KB Pattern

Required fields (asterisk = required):

* Title (10-100 characters):
  → Example: "PostgreSQL Connection Pool Optimization"

* Category (select one):
  1. ARCH (Architecture & Design)
  2. DB (Database)
  3. API (API Design)
  4. AUTH (Authentication)
  5. SECURITY (Security)
  6. TEST (Testing)
  7. PERF (Performance)
  8. FRONTEND (Frontend)
  9. INFRA (Infrastructure)
  10. DEPLOY (Deployment)
  11. CACHE (Caching)
  12. MCP (MCP Servers)
  13. CLIENT (Client Integration)
  14. FLOW (Workflows)

  → Your choice (1-14):

* Keywords (min 5, comma-separated):
  → Example: postgresql, connection-pool, optimization, performance, scaling
  → Your keywords:

Step 2: Define Problems Solved

* Problems this pattern solves (min 2, max 10):

  Problem 1:
  → Example: Connection pool exhaustion under high load

  Problem 2:
  → Example: Slow query performance due to connection limits

  Problem 3 (or Enter to continue):
  → Example: Connection timeout errors during peak traffic

  ... (continue until Enter on empty line)

Read the full file on GitHub · 632 lines

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. 1mo ago First seen · 632 lines · 73 tokens per session scan A 634b8084e3de

Subscribe to this mod's changes

kb-create is a skill published in the GitHub repository davidmatousek/tachi (94 stars, last pushed 4d ago), licensed Apache-2.0. It adds 73 tokens to every session and 3,775 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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