skill-111

skill-111 is a skill for Claude Code, Codex from legendtkl/agentic-skill-router. It costs 31 tokens per session (752 once invoked), scanned A, original, MIT.

A tool for generating step-by-step action sequences from PDDL problems, with a focus on robot movement and control. A trajectory is the ordered path of actions that takes a system from a starting state to a goal.

In plain words
What is it for?
Use it to load robot navigation problems, generate trajectories, and handle planning tasks in changing environments.
Why use it?
It helps determine whether a robot can reach a specified goal while following the rules in its planning model. It also reports when no valid trajectory can be found.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to load robot navigation problems, generate trajectories, and handle planning tasks in changing environments.

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Install with agentmods
npx agentmods add skills/legendtkl/agentic-skill-router/skill-111
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.

Any agent
npx skills add legendtkl/agentic-skill-router --skill skill-111
Clone the repo
git clone --depth 1 https://github.com/legendtkl/agentic-skill-router

Made for: Claude Code, Codex.

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 skill-111

README.md
[![agentmods](https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/skill-111/github.svg)](https://agentmods.dev/skills/legendtkl/agentic-skill-router/skill-111)
Your own site
<a href="https://agentmods.dev/skills/legendtkl/agentic-skill-router/skill-111"><img src="https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/skill-111/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 skill-111

Your own site · 80×15
<a href="https://agentmods.dev/skills/legendtkl/agentic-skill-router/skill-111"><img src="https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/skill-111.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 752 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 $0.00031 $0.00752
Opus 5 $0.00015 $0.00376
Sonnet 5 $0.00006 $0.00150
Haiku 4.5 $0.00003 $0.00075

Measured 7d ago against content hash 4044dfd72251, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

skill-111 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 7d 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.

experiments/dci-compare/skillrouter-skills/skill-111/SKILL.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Requirements for Outputs

General Guidelines

PDDL Files

  • Domain files must define actions that manipulate spatial states.
  • Problem files should specify start and goal states clearly.
  • Trajectories must adhere to sequential action constraints.

Planner Behavior

  • Trajectory generation must complete within specified time.
  • If no trajectory exists, return an empty trajectory or failure flag.

PDDL Trajectory Planner

1. Load Domain and Problem

load-trajectory-problem(domain_path, problem_path)

Description:
Loads a PDDL domain and problem file specific to trajectory planning, creating a planning problem instance.

Parameters:

  • domain_path (str): Path to the PDDL domain file.
  • problem_path (str): Path to the PDDL problem file.

Returns:

  • trajectory_problem: A trajectory planning problem object.

Example:

trajectory_problem = load_trajectory_problem("domain.pddl", "navigation_task.pddl")

Notes:

  • Uses unified_planning.io.PDDLReader.
  • Throws an error if parsing is unsuccessful.

2. Generate Trajectory

generate-trajectory(trajectory_problem)

Description: Generates a series of actions (trajectory) for the specified planning problem.

Parameters:

  • trajectory_problem: A trajectory planning problem instance.

Returns:

  • trajectory: A list of sequential actions representing the trajectory.

Example:

trajectory = generate_trajectory(trajectory_problem)

Notes:

  • Utilizes unified_planning.shortcuts.TrajectoryPlanner.
  • If no trajectory can be formed, it returns None.

3. Save Trajectory

save-trajectory(trajectory, output_path)

Description: Writes a trajectory to a file in a defined format suitable for future use.

Parameters:

  • trajectory: A list of actions representing the trajectory.
  • output_path (str): Path where the trajectory will be saved.

Example:

save_trajectory(trajectory, "navigation_solution.trajectory")

Read the full file on GitHub · 126 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. 7d ago First seen · 126 lines · 31 tokens per session scan A 4044dfd72251

Subscribe to this mod's changes

skill-111 is a skill published in the GitHub repository legendtkl/agentic-skill-router (5 stars, last pushed 3mo ago), licensed MIT. It adds 31 tokens to every session and 752 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 2026-09-03.

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