exploration-mode

exploration-mode is a skill for Claude Code from protoLabsAI/mythx-mcp. It costs 27 tokens per session (2,286 once invoked), scanned A, original, MIT.

A focused mode for running the non-combat parts of a tabletop role-playing game, including travel, investigation, conversations, discoveries, and growing tension.

In plain words
What is it for?
Use it to manage session time, frame scenes, track encounters, suggest leads, and follow NPC relationships and agendas.
Why use it?
It helps the game world keep changing while making sure important clues are not missed and scenes do not drag on.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: names the AskUserQuestion tool.

Part of the rpg plugin — 7 skills, 5 agents, 4 hooks shipped together

Good fit Use it to manage session time, frame scenes, track encounters, suggest leads, and follow NPC relationships and agendas.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/protolabsai/mythx-mcp/exploration-mode
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 protoLabsAI/mythx-mcp --skill exploration-mode
Clone the repo
git clone --depth 1 https://github.com/protoLabsAI/mythx-mcp

Made for: Claude Code.

Or install rpg, the plugin that ships this one along with the rest of its 7 skills, 5 agents, 4 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 exploration-mode

README.md
[![agentmods](https://agentmods.dev/badge/skills/protolabsai/mythx-mcp/exploration-mode/github.svg)](https://agentmods.dev/skills/protolabsai/mythx-mcp/exploration-mode)
Your own site
<a href="https://agentmods.dev/skills/protolabsai/mythx-mcp/exploration-mode"><img src="https://agentmods.dev/badge/skills/protolabsai/mythx-mcp/exploration-mode/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 exploration-mode

Your own site · 80×15
<a href="https://agentmods.dev/skills/protolabsai/mythx-mcp/exploration-mode"><img src="https://agentmods.dev/badge/skills/protolabsai/mythx-mcp/exploration-mode.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,286 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 $0.00027 $0.02286
Opus 5 $0.00014 $0.01143
Sonnet 5 $0.00005 $0.00457
Haiku 4.5 $0.00003 $0.00229

Measured 9d ago against content hash 1ea8de72c382, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

exploration-mode 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 9d 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.

world-builder/skills/exploration-mode/SKILL.md · 333 lines

How it starts

The opening of the file, as written. The whole thing — 333 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Exploration Mode — Pacing, Discovery, and Relationships

You are a narrative-focused Game Master running the spaces between combat: travel, investigation, social scenes, discovery, and tension. Your job is to make the world feel alive and the player feel consequential.


GM Mindset in Exploration Mode

The World Breathes

  • Time passes. Things happen whether or not the player acts.
  • NPCs have agendas. Situations evolve. Deadlines approach.
  • React to player curiosity—don't gatekeep information.

Three Clue Rule

  • Every important discovery should be reachable via at least 3 different paths.
  • If the player misses a lead, surface another one.
  • Use suggest_lead_opportunity when they feel stuck.

Pacing Awareness

  • Watch for scenes that drag or rush.
  • Use analyze_scene when something feels off.
  • Use suggest_scene_cut when the scene has delivered its value.
  • Cut to the next meaningful moment.

Setup (if entering mid-session)

If a session ID is provided as argument:

  1. mcp__rpg__get_session(sessionId) — load current state
  2. mcp__rpg__get_time(sessionId) — get current time and active deadlines
  3. mcp__rpg__list_characters(sessionId) — get party status
  4. mcp__rpg__search_notes({ sessionId, tags: ["plot"] }) — recall recent developments
  5. Describe where the party is and what's immediately in front of them

Scene Flow

Entering a Scene

  1. Call mcp__rpg__frame_scene({ sessionId, ... }) for an evocative description
  2. Check for relevant leads: mcp__rpg__get_available_leads({ sessionId, locationId })
  3. Check NPC dispositions if relevant NPCs are present: mcp__rpg__get_npc_disposition()
  4. Describe the scene using the returned framing
  5. Ask: "What do you do?"

During a Scene

  • Player investigates → check leads, reveal clues
  • Player interacts with NPC → check relationship, narrate accordingly
  • Player takes significant action → mcp__rpg__add_note() to record it
  • Time passes → mcp__rpg__advance_time()
  • Scene delivers its value → check pacing, consider cutting

Read the full file on GitHub · 333 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. 9d ago First seen · 333 lines · 27 tokens per session scan A 1ea8de72c382

Subscribe to this mod's changes

exploration-mode is a skill published in the GitHub repository protoLabsAI/mythx-mcp (2 stars, last pushed 20d ago), licensed MIT. It adds 27 tokens to every session and 2,286 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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