diagnosing-failed-warehouse-syncs

diagnosing-failed-warehouse-syncs is a skill for Claude Code from PostHog/ai-plugin. It costs 113 tokens per session (3,370 once invoked), scanned A, original, no licence file.

A troubleshooting guide for failed PostHog data warehouse synchronisations. A data warehouse is a system used to store and analyse data from sources such as Stripe, PostgreSQL, or HubSpot.

In plain words
What is it for?
Use it to investigate a specific source or schema and choose a suitable recovery action.
Why use it?
It helps explain failed syncs, stuck tables, and warehouse data that does not match the source.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the posthog plugin — 164 skills, 3 commands, 1 agent, 2 hooks, 1 MCP server shipped together

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.

agentmods
npx agentmods add skills/posthog/ai-plugin/diagnosing-failed-warehouse-syncs
Any agent
npx skills add PostHog/ai-plugin --skill diagnosing-failed-warehouse-syncs
Clone the repo
git clone --depth 1 https://github.com/PostHog/ai-plugin

Made for: Claude Code.

Or install posthog, the plugin that ships this one along with the rest of its 164 skills, 3 commands, 1 agent, 2 hooks, 1 MCP server.

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 diagnosing-failed-warehouse-syncs

README.md
[![agentmods](https://agentmods.dev/badge/skills/posthog/ai-plugin/diagnosing-failed-warehouse-syncs.svg)](https://agentmods.dev/skills/posthog/ai-plugin/diagnosing-failed-warehouse-syncs)
Your own site
<a href="https://agentmods.dev/skills/posthog/ai-plugin/diagnosing-failed-warehouse-syncs"><img src="https://agentmods.dev/badge/skills/posthog/ai-plugin/diagnosing-failed-warehouse-syncs.svg" alt="Measured on agentmods" height="20"></a>
Per session 113 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,370 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00113 $0.03370
Opus 5 $0.00056 $0.01685
Sonnet 5 $0.00023 $0.00674
Haiku 4.5 $0.00011 $0.00337

Measured yesterday against content hash 4d781a6eacbe, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

diagnosing-failed-warehouse-syncs 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 yesterday.

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.

skills/diagnosing-failed-warehouse-syncs/SKILL.md · 240 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. yesterday Changed · +5 lines 4d781a6eacbe
  2. 6d ago First seen · 235 lines · 113 tokens per session scan A 9809e0e5cb31

Subscribe to this mod's changes

diagnosing-failed-warehouse-syncs is a skill published in the GitHub repository PostHog/ai-plugin (80 stars, last pushed yesterday), with no licence file. It adds 113 tokens to every session and 3,370 once invoked, about $0.0006 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 2026-08-30.

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