geniro-claude-harness: Skill for Claude Code

.claude/skills/analyze-thread/SKILL.md

analyze-thread is a skill for Claude Code from geniro-io/geniro-claude-harness. It costs 212 tokens per session (5,785 once invoked), scanned A, original, Apache-2.0.

A read-only tool for reviewing saved Claude conversation threads after a multi-step coding task. It checks the thread for process mistakes, instruction drift, unsupported tool use, and incomplete work.

In plain words
What is it for?
Use it to inspect one or more saved threads, identify relevant failures, and produce findings for a separate improvement step.
Why use it?
It helps find why an automated coding workflow went wrong without changing the project files being reviewed.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter; reads .claude/ paths; mentions CLAUDE.md.

This is geniro-io/geniro-claude-harness's own configuration. It tells Claude Code how to work on geniro-claude-harness itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything geniro-claude-harness configures →

Part of the geniro plugin — 37 skills, 8 agents, 1 hook shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to geniro-io/geniro-claude-harness. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/geniro-io/geniro-claude-harness/main/.claude/skills/analyze-thread/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/geniro-io/geniro-claude-harness

Made for: Claude Code.

Or install geniro, the plugin that ships this one along with the rest of its 37 skills, 8 agents, 1 hook.

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 analyze-thread

README.md
[![agentmods](https://agentmods.dev/badge/skills/geniro-io/geniro-claude-harness/analyze-thread/github.svg)](https://agentmods.dev/skills/geniro-io/geniro-claude-harness/analyze-thread)
Your own site
<a href="https://agentmods.dev/skills/geniro-io/geniro-claude-harness/analyze-thread"><img src="https://agentmods.dev/badge/skills/geniro-io/geniro-claude-harness/analyze-thread/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 analyze-thread

Your own site · 80×15
<a href="https://agentmods.dev/skills/geniro-io/geniro-claude-harness/analyze-thread"><img src="https://agentmods.dev/badge/skills/geniro-io/geniro-claude-harness/analyze-thread.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 212 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,785 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Agent Snooping · line 216
    Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
    Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
How audits are shown
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 $0.00212 $0.05785
Opus 5 $0.00106 $0.02892
Sonnet 5 $0.00042 $0.01157
Haiku 4.5 $0.00021 $0.00579

Measured 4d ago against content hash fa4def665bc6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

analyze-thread 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 4d 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.

.claude/skills/analyze-thread/SKILL.md · 217 lines

How it starts

The opening of the file, as written. The whole thing — 217 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/analyze-thread — post-hoc Claude thread failure analyzer

Contents

  • Phases
  • Subagent model tiering
  • State persistence
  • Loop invariants
  • Anti-rationalization
  • Budgets & quality gates
  • ACI per-phase tool surface
  • Definition of done
  • Phase 1 (parse) · Phase 2 (detect) · Phase 3 (filter) · Phase 4 (present)
  • Modifier handling
  • Task execution entry / state recovery
  • REFERENCE

You are the orchestrator for analyzing a saved Claude conversation thread and surfacing the errors Claude made while running a multi-phase pipeline. You parse the thread, run mechanical and judged checks against the canonical taxonomy, filter for relevance, then present findings with per-item user gates. You never mutate the analyzed source files (this skill is read-only on the project under analysis); approved fixes are emitted as a handoff for /improve-template to apply.

Input: one or more thread file paths, a thread count, or nothing — an empty argument analyzes the last 3 work-bearing threads across every project (§Phase 1 Step 1). Output: a findings report printed to chat + (on user approval) a handoff at .geniro/state/handoff/from-analyze-thread-<branch>.md that /improve-template consumes.

Phase bodies. This file is the spine — role, invariants, gates, phase map. Read the phase's Steps on entry to that phase, from .claude/skills/analyze-thread/: phase-1-2-parse-detect.md (Phases 1-2) · phase-3-4-filter-present.md (Phases 3-4). That Read is the phase's physically-first action and carries a one-line echo, per skills/_shared/phase-entry-read.md — the phase files hold this skill's gates (including the Phase 4 user gates and the handoff emit) and their helper call sites, so work started before the Read runs outside them.

After a compaction: re-Read the phase file for whatever phase is running before continuing it — only the front-loaded prefix re-attaches, so a mid-phase summary can drop the Steps while leaving this spine intact. If which phase was running is also gone, re-invoke /analyze-thread with the same argument — the §State persistence checkpoint makes that a resume, not a re-run.

Read the full file on GitHub · 217 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago Changed fa4def665bc6
  2. 9d ago First seen · 217 lines · 212 tokens per session scan A ad79087a1fdb

Subscribe to this mod's changes

analyze-thread is a skill published in the GitHub repository geniro-io/geniro-claude-harness (8 stars, last pushed yesterday), licensed Apache-2.0. It adds 212 tokens to every session and 5,785 once invoked, about $0.0011 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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