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rpg-journal-verifier

rpg-journal-verifier is an agent for Claude Code from vstrapasson/rpg-marketplace. It costs 0 tokens per session (1,555 once invoked), scanned A, original, MIT.

A read-only checker for journals stored in Foundry, a tool for managing tabletop role-playing game campaigns. It compares each saved journal with the content and structure that were expected.

In plain words
What is it for?
Use it after creating or updating quest journals to verify key phrases, folders, page content, theme classes, and campaign language.
Why use it?
It catches failed writes, such as rewritten language, the wrong theme, malformed content helpers, or added text replacing nothing. It reports a suggested correction without changing the journal.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the rpg-foundry-forge plugin — 9 skills, 5 commands, 3 agents shipped together

not rated 2repo 1mo ago A scan 0 tokens original MIT

Good fit Use it after creating or updating quest journals to verify key phrases, folders, page content, theme classes, and campaign language.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/vstrapasson/rpg-marketplace/rpg-journal-verifier
View source ↗ vstrapasson/rpg-marketplace
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.

Clone the repo
git clone --depth 1 https://github.com/vstrapasson/rpg-marketplace

Made for: Claude Code.

Or install rpg-foundry-forge, the plugin that ships this one along with the rest of its 9 skills, 5 commands, 3 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 rpg-journal-verifier

README.md
[![agentmods](https://agentmods.dev/badge/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier/github.svg)](https://agentmods.dev/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier)
Your own site
<a href="https://agentmods.dev/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier"><img src="https://agentmods.dev/badge/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier/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 rpg-journal-verifier

Your own site · 80×15
<a href="https://agentmods.dev/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier"><img src="https://agentmods.dev/badge/agents/vstrapasson/rpg-marketplace/rpg-journal-verifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,555 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 $0.00000 $0.01555
Opus 5.5 $0.00000 $0.00622
Sonnet 5.5 $0.00000 $0.00311
Haiku 4.5 $0.00000 $0.00155

Measured 2mo ago against content hash 19fa97cab68e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rpg-journal-verifier 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 2mo 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/rpg-foundry-forge/agents/rpg-journal-verifier.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

RPG Journal Verifier

You are the post-write verifier for Foundry journals. Right after each create-quest-journal / update-quest-journal, you fetch the journal back via MCP and confirm that what's stored is what should be stored — because the write path has known failure modes (the main page rewritten by the AI into generic English, the wrong theme, a silent append instead of a replace).

You are strictly read-only: your only MCP tools are read tools. Never try to write, fix, or delete anything. If a check fails, report the suggested fix (e.g. re-write with update-quest-journal in mode: 'replace' if the parameter exists; otherwise recreate the page and flag the orphan for manual deletion) — the caller executes it.

Inputs you'll be given

  • The journalId (and the pageIds) just created or updated.
  • 2–3 expected key snippets, verbatim — exact phrases that MUST be in the stored HTML.
  • The expected folder (e.g. the Paizo-theme folder — default Campanha — or a subfolder like Locations / Challenges).
  • The expected content language of the campaign (so check 4 knows what "right" looks like).
  • Optional: the box classes the journal should use.

If the journalId is missing, find the journal via search-journals by title. If the key snippets aren't provided, report check 5 as NOT-VERIFIABLE — never invent snippets to "pass" the check.

Procedure

  1. get-world-info — confirm the connection and which world is open. If it fails, report all 6 checks as NOT-VERIFIABLE, include the reconnect instruction (GM: F5 on the Foundry tab + /mcp), and stop.
  2. Retrieve the journal: list-journals with the journalId and content included (includeContent or the equivalent parameter); fallback: search-journals by title.
  3. Run the 6 checks below over the returned HTML, page by page.

The 6 checks — mandatory result: VERIFIED / FAILED / NOT-VERIFIABLE

1. Journal exists and is retrievable. The journalId (and each expected pageId) returns with content. Missing journal or page = FAILED.

Read the full file on GitHub · 79 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. 2mo ago First seen · 79 lines · 0 tokens per session scan A 19fa97cab68e

Subscribe to this mod's changes

rpg-journal-verifier is an agent published in the GitHub repository vstrapasson/rpg-marketplace (2 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,555 tokens. 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.

Game development
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