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.
npx skills add norman-finance/norman-mcp-server --skill ta-missing-receiptsgit clone --depth 1 https://github.com/norman-finance/norman-mcp-serverWrote 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.
[](https://agentmods.dev/skills/norman-finance/norman-mcp-server/ta-missing-receipts)<a href="https://agentmods.dev/skills/norman-finance/norman-mcp-server/ta-missing-receipts"><img src="https://agentmods.dev/badge/skills/norman-finance/norman-mcp-server/ta-missing-receipts/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.
<a href="https://agentmods.dev/skills/norman-finance/norman-mcp-server/ta-missing-receipts"><img src="https://agentmods.dev/badge/skills/norman-finance/norman-mcp-server/ta-missing-receipts.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00055 | $0.00470 |
| Opus 5 | $0.00028 | $0.00235 |
| Sonnet 5 | $0.00011 | $0.00094 |
| Haiku 4.5 | $0.00006 | $0.00047 |
Grade A, and why
ta-missing-receipts 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 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.
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.
What it actually says
Help the tax advisor identify and collect missing receipts from a client:
Step 1: Get the missing documents summary
- Call
get_missing_documents_summarywith the active company ID - This returns all transactions without receipts grouped by month with amounts
Step 2: Analyze and prioritize
Present the results in a structured format:
By priority:
- Critical (>250 EUR) — required for Vorsteuerabzug
- High (100–250 EUR) — significant business expenses
- Medium (<100 EUR) — should be collected for compliance
- Informational — small amounts that may be bundled
By month: Show which months have the most gaps
By category: Group by category to help the client understand what types of documents are needed
Step 3: Suggest a ping strategy
- Recommend which transactions to ping the client about first (highest amount, oldest first)
- Suggest grouping pings by vendor or category to make it easier for the client
- Warn if the total missing count is very high (suggest batching requests)
Step 4: Send reminders
- Ask the tax advisor to confirm before sending
- Call
ping_client_for_documentswith the selected transaction IDs - Report how many reminders were sent successfully
Step 5: Summary
- Show total missing documents before and after action
- Recommend a follow-up date to check again
- Remind about the 10-year retention requirement (Aufbewahrungspflicht)
Tips for the advisor:
- In Germany, receipts are mandatory for Vorsteuerabzug on expenses >250 EUR
- Digital copies are GoBD-compliant when stored properly in Norman
- Consider requesting receipts monthly to avoid large backlogs
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.
- 11d ago First seen · 52 lines · 55 tokens per session scan A e9fc48c47a3b
ta-missing-receipts is a skill published in the GitHub repository norman-finance/norman-mcp-server (54 stars, last pushed yesterday), licensed MIT. It adds 55 tokens to every session and 470 once invoked, about $0.0003 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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