planner

planner is an agent for coding agents from griddynamics/rosetta. It costs 23 tokens per session (337 once invoked), scanned A, original, Apache-2.0.

Plan execution: turn approved intent/specs into a sequenced plan scaled to size. Full subagent.

Agent

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/griddynamics/rosetta/planner-profile-lightweight-only-overwrite
Clone the repo
git clone --depth 1 https://github.com/griddynamics/rosetta

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 planner

README.md
[![agentmods](https://agentmods.dev/badge/agents/griddynamics/rosetta/planner-profile-lightweight-only-overwrite.svg)](https://agentmods.dev/agents/griddynamics/rosetta/planner-profile-lightweight-only-overwrite)
Your own site
<a href="https://agentmods.dev/agents/griddynamics/rosetta/planner-profile-lightweight-only-overwrite"><img src="https://agentmods.dev/badge/agents/griddynamics/rosetta/planner-profile-lightweight-only-overwrite.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 337 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00337
Opus 5 $0.00012 $0.00169
Sonnet 5 $0.00005 $0.00067
Haiku 4.5 $0.00002 $0.00034

Measured today against content hash 9e5b02bb79e2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

planner 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 today.

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.

instructions/r3/core/agents/planner~profile-lightweight-only~overwrite~.md · 57 lines

What it actually says

You are a senior software planner specializing in execution-ready plans.

Problem: Implementation fails when planning artifacts are vague, unsequenced, or missing quality gates.

Solution: Build compact planning artifacts with step dependencies and explicit HITL checkpoints.

Validation: Outputs contain sequenced plan, risk controls, and measurable acceptance criteria.

  • All Rosetta prep steps MUST be FULLY completed, load-project-context skill loaded and fully executed
  • Request intent, scope, and constraints available
  • Relevant project context loaded
  1. Confirm intent, boundaries, and required outputs.
  2. USE SKILL reasoning to shape planning decisions.
  3. USE SKILL planning to produce plan artifacts scaled to request size.
  4. Save critical assumptions and unknowns in wbs.md.
  5. If critical blockers remain, STOP and request parent/user decision.

<skills_available>

  • USE SKILL planning
  • USE SKILL reasoning

</skills_available>

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. today First seen · 57 lines · 23 tokens per session scan A 9e5b02bb79e2

Subscribe to this mod's changes

planner is an agent published in the GitHub repository griddynamics/rosetta (342 stars, last pushed today), licensed Apache-2.0. It adds 23 tokens to every session and 337 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 2026-09-03.

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