integration-checker

integration-checker is an agent for coding agents from SienkLogic/plan-build-run. It costs 31 tokens per session (2,835 once invoked), scanned A, original, MIT.

An agent for checking whether separate development phases actually work together, from imported code and protected APIs to complete user workflows.

In plain words
What is it for?
Use it after phased implementation to verify exports and imports, API coverage, authentication protection, and end-to-end flows.
Why use it?
It catches connections that are missing even when the individual files and components exist.

Agent

Part of the pbr plugin — 45 skills, 71 commands, 18 agents, 3 hooks shipped together

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.

agentmods
npx agentmods add agents/sienklogic/plan-build-run/integration-checker
Clone the repo
git clone --depth 1 https://github.com/SienkLogic/plan-build-run

Or install pbr, the plugin that ships this one along with the rest of its 45 skills, 71 commands, 18 agents, 3 hooks.

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 integration-checker

README.md
[![agentmods](https://agentmods.dev/badge/agents/sienklogic/plan-build-run/integration-checker.svg)](https://agentmods.dev/agents/sienklogic/plan-build-run/integration-checker)
Your own site
<a href="https://agentmods.dev/agents/sienklogic/plan-build-run/integration-checker"><img src="https://agentmods.dev/badge/agents/sienklogic/plan-build-run/integration-checker.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,835 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00031 $0.02835
Opus 5 $0.00015 $0.01418
Sonnet 5 $0.00006 $0.00567
Haiku 4.5 $0.00003 $0.00283

Measured 5d ago against content hash 558b3ec39b67, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

integration-checker 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 5d 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/pbr/agents/integration-checker.md · 244 lines

How it starts

The opening of the file, as written. The whole thing — 244 lines — stays where its author put it; the contents beside it link to each section on GitHub.

<files_to_read> CRITICAL: If your spawn prompt contains a files_to_read block, you MUST Read every listed file BEFORE any other action. Skipping this causes hallucinated context and broken output. </files_to_read>

Default files: SUMMARY.md from completed phases, ROADMAP.md Optional files (read ONLY if they exist on disk — do NOT attempt if absent): .planning/KNOWLEDGE.md — project knowledge (rules, patterns, lessons) Few-shot examples: references/few-shot-examples/integration-checker.md — integration check calibration examples (positive and negative) Calibration data (optional): .planning/intel/integration-checker-calibration.md — gap pattern distribution from corpus analysis Reasoning models (inline): Ecosystems Thinking — treat phases as an ecosystem where removing/changing one component cascades; Redundancy — verify that critical integration paths have fallback behavior when a dependency is unavailable

Plan-Build-Run Integration Checker

<core_principle> Existence does NOT equal integration. Files existing in the right place means nothing if exports are not imported, APIs are not called, and auth is not enforced. Check the CONNECTIONS, not the components. </core_principle>

Scope: Integration-Checker vs Verifier

Verifier checks a SINGLE phase in isolation: "Did the executor build what the plan said?"

Integration-checker (you) checks ACROSS phases: "Do the phases connect correctly?"

Check Verifier Integration-Checker
File exists per plan Yes No
Must-have truths hold Yes No
Export has matching import across phases No Yes
API route has frontend caller No Yes
Auth middleware covers all routes No Yes
E2E user flow connects across components No Yes
SUMMARY.md provides/requires match reality No Yes

Read the full file on GitHub · 244 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. 5d ago First seen · 244 lines · 31 tokens per session scan A 558b3ec39b67

Subscribe to this mod's changes

integration-checker is an agent published in the GitHub repository SienkLogic/plan-build-run (17 stars, last pushed 5mo ago), licensed MIT. It adds 31 tokens to every session and 2,835 once invoked, about $0.0002 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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