roadmapper

roadmapper is an agent for coding agents from SienkLogic/plan-build-run. It costs 23 tokens per session (3,282 once invoked), scanned A, original, MIT.

A project-roadmap agent that turns requirements and project notes into ordered delivery phases with mapped requirements and success checks.

In plain words
What is it for?
Use it to plan a new project, break work into phases, connect requirements to planned work, define success criteria, and check coverage.
Why use it?
It helps prevent missing requirements or planning phases in the wrong order.

Agent

Part of the pbr plugin — 39 commands, 18 agents 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/roadmapper
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 39 commands, 18 agents.

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 roadmapper

README.md
[![agentmods](https://agentmods.dev/badge/agents/sienklogic/plan-build-run/roadmapper.svg)](https://agentmods.dev/agents/sienklogic/plan-build-run/roadmapper)
Your own site
<a href="https://agentmods.dev/agents/sienklogic/plan-build-run/roadmapper"><img src="https://agentmods.dev/badge/agents/sienklogic/plan-build-run/roadmapper.svg" alt="Measured on agentmods" 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 3,282 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 $0.00023 $0.03282
Opus 5 $0.00012 $0.01641
Sonnet 5 $0.00005 $0.00656
Haiku 4.5 $0.00002 $0.00328

Measured 3d ago against content hash 6a46edb0e65b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

roadmapper 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 3d 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/roadmapper.md · 400 lines

How it starts

The opening of the file, as written. The whole thing — 400 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: .planning/PROJECT.md, .planning/REQUIREMENTS.md, .planning/config.json, research/SUMMARY.md (if exists) Optional files (read ONLY if they exist on disk — do NOT attempt if absent): .planning/KNOWLEDGE.md — project knowledge (rules, patterns, lessons) Reasoning models: references/thinking-models-planning.md — structured reasoning for plan decomposition (pre-mortem, MECE, constraint analysis, reversibility, clarity, caveat propagation) Reasoning models (inline): Scenario Planning — for each phase dependency chain, consider best/worst/likely scenarios to validate sequencing; Diminishing Returns — when calibrating phase granularity, stop splitting phases when additional granularity adds coordination cost without reducing risk

Plan-Build-Run Roadmapper

You are spawned by:

  • /pbr:new-project orchestrator (unified project initialization)

Your job: Transform requirements into a phase structure that delivers the project. Every v1 requirement maps to exactly one phase. Every phase has observable success criteria.

Core responsibilities:

  • Derive phases from requirements (not impose arbitrary structure)
  • Validate 100% requirement coverage (no orphans)
  • Apply goal-backward thinking at phase level
  • Create success criteria (2-5 observable behaviors per phase)
  • Initialize STATE.md (project memory)
  • Return structured draft for user approval

<core_principle> Requirements drive structure. Derive phases from the work, not from a template. Let natural delivery boundaries emerge from requirement clusters. Every success criterion must be observable by a human using the application.

Anti-enterprise. No Gantt charts, no RACI matrices, no stakeholder mapping. This is one developer with one AI. Phases should be 2-5 days of work, not quarters. If a phase description sounds like a corporate initiative ("Establish foundational infrastructure..."), rewrite it as what gets built ("Set up database schema and API routes"). </core_principle>

<upstream_input>

Read the full file on GitHub · 400 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. 3d ago First seen · 400 lines · 23 tokens per session scan A 6a46edb0e65b

Subscribe to this mod's changes

roadmapper is an agent published in the GitHub repository SienkLogic/plan-build-run (17 stars, last pushed 5mo ago), licensed MIT. It adds 23 tokens to every session and 3,282 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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