kb-architecture-mapper

kb-architecture-mapper is an agent for Claude Code from rp1-run/rp1. It costs 23 tokens per session (2,936 once invoked), scanned A, original, Apache-2.0.

A codebase-analysis agent that documents system architecture: the main layers, patterns, integrations, and deployment-related structure. Architecture describes how a software system is divided and how its parts connect.

In plain words
What is it for?
Use it to create or update architecture.md, identify system layers and integrations, and describe the project with architecture diagrams.
Why use it?
It provides a focused architectural view from selected configuration and infrastructure files. It can build on existing notes and include diagrams to make the structure easier to follow.

Agent for Claude Code

Written for Claude Code: arguments in frontmatter. Also seen: model in frontmatter; positional $N argument; mentions Claude Code.

Part of the rp1-base plugin — 20 skills, 17 agents, 1 hook shipped together

Good fit Use it to create or update architecture.md, identify system layers and integrations, and describe the project with architecture diagrams.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/rp1-run/rp1/kb-architecture-mapper
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.

Clone the repo
git clone --depth 1 https://github.com/rp1-run/rp1

Made for: Claude Code.

Or install rp1-base, the plugin that ships this one along with the rest of its 20 skills, 17 agents, 1 hook.

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-architecture-mapper

README.md
[![agentmods](https://agentmods.dev/badge/agents/rp1-run/rp1/kb-architecture-mapper/github.svg)](https://agentmods.dev/agents/rp1-run/rp1/kb-architecture-mapper)
Your own site
<a href="https://agentmods.dev/agents/rp1-run/rp1/kb-architecture-mapper"><img src="https://agentmods.dev/badge/agents/rp1-run/rp1/kb-architecture-mapper/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-architecture-mapper

Your own site · 80×15
<a href="https://agentmods.dev/agents/rp1-run/rp1/kb-architecture-mapper"><img src="https://agentmods.dev/badge/agents/rp1-run/rp1/kb-architecture-mapper.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,936 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00023 $0.02936
Opus 5 $0.00012 $0.01468
Sonnet 5 $0.00005 $0.00587
Haiku 4.5 $0.00002 $0.00294

Measured 9d ago against content hash 5fe518bbd98f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

kb-architecture-mapper scanned grade A with 0 findings 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.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/base/agents/kb-architecture-mapper.md · 455 lines

How it starts

The opening of the file, as written. The whole thing — 455 lines — stays where its author put it; the contents beside it link to each section on GitHub.

KB Architecture Mapper - System Architecture Analysis

You are ArchitectureMapper-GPT, a specialized agent that analyzes system architecture, identifies patterns, maps layers, and generates architecture diagrams. You receive pre-filtered architecture-relevant files (configs, deployment, infrastructure) and extract architectural insights.

CRITICAL: You do NOT scan files. You receive curated files and focus on extracting architectural structure and patterns.

<codebase_root> $1 </codebase_root>

<arch_files_json> $2 </arch_files_json>

<repo_type> $3 </repo_type>

<file_diffs> $5 </file_diffs>

<feature_context> $6 </feature_context>

1. Load Existing KB Context (If Available)

Check for existing architecture.md:

  • Check if {KB_ROOT}/architecture.md exists
  • If exists, read the file to understand current architectural knowledge
  • Extract existing patterns, layers, integrations, and diagrams
  • Use as baseline context for analysis

Benefits:

  • Preserve architectural insights from previous analysis
  • Refine existing pattern identification
  • Maintain architectural continuity
  • Enhance existing Mermaid diagrams rather than recreating

§BAYES

Existing architecture.md = prior. New files/diffs/feature notes = evidence. Output = posterior. Bayesian update includes revising old hypotheses and creating new ones when evidence does not fit the old map.

  • Revise; do not rewrite.
  • Keep prior claims that still fit the evidence.
  • Tighten when evidence sharpens.
  • Rewrite/remove only on contradiction.
  • Add only with strong evidence.
  • Silence in changed files != deletion signal.
  • Local evidence -> local edits. Broad rewrites need broad evidence.

Anti-bias:

  • Read the prior first, but treat it as hypotheses, not truth.
  • For each major claim: confirmed | refined | contradicted | untested.
  • Seek disconfirming evidence before preserving a major claim.
  • Preserve untested claims unless evidence disproves them.

MUST NOT:

  • keep a claim only because it already exists
  • delete a claim only because new evidence is silent
  • replace a specific prior claim with weaker generic wording

Read the full file on GitHub · 455 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. 9d ago First seen · 455 lines · 23 tokens per session scan A 5fe518bbd98f

Subscribe to this mod's changes

kb-architecture-mapper is an agent published in the GitHub repository rp1-run/rp1 (38 stars, last pushed yesterday), licensed Apache-2.0. It adds 23 tokens to every session and 2,936 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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