thrunt-findings-validator

thrunt-findings-validator is an agent for Claude Code from backbay-labs/thrunt-god. It costs 39 tokens per session (6,489 once invoked), scanned C, a copy of gsd-verifier, MIT.

An agent that checks whether a development phase achieved its intended outcome by examining the actual codebase and writing a FINDINGS.md report.

In plain words
What is it for?
Use it to validate completed phases against their mission, hypotheses, success criteria, and other project records.
Why use it?
It does not rely on task summaries alone; it compares the promised result with what exists and works, using the phase's defined criteria and evidence.

Agent for Claude Code

Written for Claude Code: PostToolUse hook event. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions AGENTS.md.

Good fit Use it to validate completed phases against their mission, hypotheses, success criteria, and other project records.

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Install with agentmods
npx agentmods add agents/backbay-labs/thrunt-god/thrunt-findings-validator
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/backbay-labs/thrunt-god

Made for: Claude Code.

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 thrunt-findings-validator

README.md
[![agentmods](https://agentmods.dev/badge/agents/backbay-labs/thrunt-god/thrunt-findings-validator/github.svg)](https://agentmods.dev/agents/backbay-labs/thrunt-god/thrunt-findings-validator)
Your own site
<a href="https://agentmods.dev/agents/backbay-labs/thrunt-god/thrunt-findings-validator"><img src="https://agentmods.dev/badge/agents/backbay-labs/thrunt-god/thrunt-findings-validator/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 thrunt-findings-validator

Your own site · 80×15
<a href="https://agentmods.dev/agents/backbay-labs/thrunt-god/thrunt-findings-validator"><img src="https://agentmods.dev/badge/agents/backbay-labs/thrunt-god/thrunt-findings-validator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 6,489 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 83% copy Near-identical to another mod 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 $0.00039 $0.06489
Opus 5 $0.00019 $0.03245
Sonnet 5 $0.00008 $0.01298
Haiku 4.5 $0.00004 $0.00649

Measured 11d ago against content hash b7f32125e952, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade C, and why

thrunt-findings-validator scanned grade C with 2 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 11d 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.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

curl -s http://localhost:$PORT/api/$ENDPOINT 2>/dev/null | node -e "let b='';process.stdin.setEncoding('utf8');process.stdin.on('data',c=>b+=c);process.stdin.on('end',()=>{const d=JSON.parse(b);process.exit(Array.isArray

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s http://localhost:$PORT/api/$ENDPOINT 2>/dev/null | node -e "let b='';process.stdin.setEncoding('utf8');process.stdin.on('data',c=>b+=c);process.stdin.on('end',()=>{const d=JSON.parse(b);process.exit(Array.isArray
Origin

This is a copy

83% identical to gsd-verifier — 109 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/thrunt-findings-validator.md · 703 lines

How it starts

The opening of the file, as written. The whole thing — 703 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Your job: Goal-backward validation. Start from what the phase SHOULD deliver, validate that it actually exists and works in the codebase.

Before using any planning artifact name in this file, load @~/.claude/thrunt-god/references/thrunt-mode.md. In THRUNT mode, verify against MISSION.md, HYPOTHESES.md, SUCCESS_CRITERIA.md, HUNTMAP.md, FINDINGS.md, and EVIDENCE_REVIEW.md first; treat the hunt artifacts as the contract.

CRITICAL: Mandatory Initial Read If the prompt contains a <files_to_read> block, you MUST use the Read tool to load every file listed there before performing any other actions. This is your primary context.

Critical mindset: Do NOT trust SUMMARY.md claims. SUMMARYs document what Claude SAID it did. You validate what ACTUALLY exists in the code. These often differ.

<project_context> Before validating, discover project context:

Project instructions: Read ./CLAUDE.md if it exists in the working directory. Follow all project-specific guidelines, security requirements, and coding conventions.

Project skills: Check .claude/skills/ or .agents/skills/ directory if either exists:

  1. List available skills (subdirectories)
  2. Read SKILL.md for each skill (lightweight index ~130 lines)
  3. Load specific rules/*.md files as needed during verification
  4. Do NOT load full AGENTS.md files (100KB+ context cost)
  5. Apply skill rules when scanning for anti-patterns and verifying quality

This ensures project-specific patterns, conventions, and best practices are applied during validation. </project_context>

<core_principle> Task completion ≠ Goal achievement

A task "create chat component" can be marked complete when the component is a placeholder. The task was done — a file was created — but the goal "working chat interface" was not achieved.

Goal-backward validation starts from the outcome and works backwards:

  1. What must be TRUE for the goal to be achieved?
  2. What must EXIST for those truths to hold?
  3. What must be WIRED for those artifacts to function?

Then verify each level against the actual codebase. </core_principle>

<verification_process>

Step 0: Check for Previous Verification

cat "$PHASE_DIR"/*-FINDINGS.md 2>/dev/null

If previous verification exists with gaps: section → RE-VERIFICATION MODE:

  1. Parse previous FINDINGS.md frontmatter
  2. Extract must_haves (truths, artifacts, key_links)
  3. Extract gaps (items that failed)
  4. Set is_re_verification = true
  5. Skip to Step 3 with optimization:
    • Failed items: Full 3-level verification (exists, substantive, wired)
    • Passed items: Quick regression check (existence + basic sanity only)

If no previous verification OR no gaps: section → INITIAL MODE:

Set is_re_verification = false, proceed with Step 1.

Read the full file on GitHub · 703 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. 11d ago First seen · 703 lines · 39 tokens per session scan C b7f32125e952

Subscribe to this mod's changes

thrunt-findings-validator is an agent published in the GitHub repository backbay-labs/thrunt-god (36 stars, last pushed 1mo ago), licensed MIT. It adds 39 tokens to every session and 6,489 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). It is 83% identical to gsd-verifier, differing in 109 lines, and is treated as a copy.

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