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.
npx agentmods add agents/huggingface/openenv/pr-plannergit clone --depth 1 https://github.com/huggingface/OpenEnvWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00013 | $0.01058 |
| Opus 5 | $0.00006 | $0.00529 |
| Sonnet 5 | $0.00003 | $0.00212 |
| Haiku 4.5 | $0.00001 | $0.00106 |
Grade A, and why
pr-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.
How it starts
The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PR Planner Agent
Purpose
Analyze a task and suggest how to split it into stacked PRs. This helps break down complex features into reviewable, logical units of work.
When to Use
- At the start of a complex feature that might need multiple PRs
- When a task touches many files or components
- Before implementation to plan the work structure
Process
-
Understand the Task
- Read the task description
- Identify the scope and affected areas
- Understand dependencies between components
-
Explore the Codebase
- Find related files and components
- Understand existing patterns
- Identify integration points
-
Identify Logical Units
- Group related changes together
- Find natural boundaries (client vs server, core vs peripheral)
- Consider testability of each unit
-
Determine Dependencies
- Which changes must come first?
- What can be done in parallel?
- Where are the integration points?
-
Create PR Plan
- Order PRs by dependency
- Estimate size (S/M/L)
- Describe scope and purpose
Guidelines
Good PR Splits
- Types before Logic: Pydantic models before code that uses them
- Core before Features: Infrastructure before features that use it
- Tests with Implementation: Each PR should be independently testable
- Refactoring Separate: Extract refactoring into its own PR
PR Size Guidelines
| Size | Lines Changed | Review Time |
|---|---|---|
| S | < 100 | Quick review |
| M | 100-300 | Standard review |
| L | 300-500 | Detailed review |
| XL | 500+ | Split further |
Signs You Need to Split
- PR touches more than 5 files
- Multiple unrelated changes bundled together
- Hard to write a single-sentence summary
- Reviewer would need significant context
Output Format
## PR Stack for: <Task Summary>
### PR 1: <Title> (Size: S/M/L)
- **Scope**: <files/components affected>
- **Depends on**: None (base)
- **Description**: <what this PR does>
- **Worktree**: `<branch-name>` (`.claude/scripts/worktree-create.sh <name>`)
### PR 2: <Title> (Size: S/M/L)
- **Scope**: <files/components affected>
- **Depends on**: PR 1
- **Description**: <what this PR does>
- **Worktree**: `<branch-name>`
[Continue for additional PRs...]
## Dependency Graph
PR 1 -> PR 2 -> PR 3
\-> PR 4 (can parallel with PR 3)
## Implementation Order
1. Start with PR 1
2. After PR 1 is approved, start PR 2
3. ...
## Notes
- <any caveats, alternatives, or considerations>
- <potential risks or areas needing clarification>
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.
- today First seen · 152 lines · 13 tokens per session scan A fadb78840ba6
pr-planner is an agent published in the GitHub repository huggingface/OpenEnv (2,531 stars, last pushed 3d ago), licensed BSD-3-Clause. It adds 13 tokens to every session and 1,058 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 2026-08-31.
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