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 agentmods add instructions/mefos-lab/sift/claude-mdgit clone --depth 1 https://github.com/mefos-lab/siftWrote 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/instructions/mefos-lab/sift/claude-md)<a href="https://agentmods.dev/instructions/mefos-lab/sift/claude-md"><img src="https://agentmods.dev/badge/instructions/mefos-lab/sift/claude-md.svg" alt="Measured on agentmods" height="20"></a>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 | $0.02820 | $0.02820 |
| Opus 5 | $0.01410 | $0.01410 |
| Sonnet 5 | $0.00564 | $0.00564 |
| Haiku 4.5 | $0.00282 | $0.00282 |
Grade A, and why
sift CLAUDE.md 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 292 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sift — Multi-Source MCP Server
MCP server that cross-references 9 public data sources: ICIJ Offshore Leaks, OpenSanctions, GLEIF LEI Registry, SEC EDGAR, UK Companies House, CourtListener (US court records), OCCRP Aleph (investigative datasets), UK Land Registry (property transactions), and Wikidata (entity enrichment and PEP identification).
Structure
sift/— MCP server, API clients, traversal engine, visualizer.claude/skills/— Investigation skill (slash command)patterns/— Documented offshore structure patterns (accumulated over investigations)visualizations/— D3 HTML template for interactive investigation visualizationsinvestigations/— Generated investigation reports and visualizations
Data Sources
| Source | Coverage | Auth |
|---|---|---|
| ICIJ Offshore Leaks | 810K+ entities from 5 leak investigations | None |
| OpenSanctions | 320+ sanctions lists, PEP databases, enforcement records | API key |
| GLEIF LEI Registry | Global corporate identifiers + ownership chains | None |
| SEC EDGAR | US public company filings, 10-K/10-Q/8-K/DEF 14A, amendments | User-Agent only |
| UK Companies House | UK company records, officers, PSC, insolvency, disqualifications | Free API key |
| CourtListener | US federal court records, opinions, bankruptcy (PACER/RECAP) | Free token |
| OCCRP Aleph | Investigative datasets, entity networks, leaked documents | Approved account required |
| UK Land Registry | Property transactions, price history, high-value purchases | None |
| Wikidata | Structured data on people, companies, political roles | None |
Skill
One unified skill with modes:
/investigate <name> — full cross-reference (default)
/investigate <name> --trace — multi-hop network traversal
/investigate <name> --trace --depth 3 — deep network walk (3 hops)
/investigate <name> --patterns — structural pattern analysis
/investigate <name> --compliance — rigorous sanctions/PEP screening
/investigate <name> --monitor — check for new sanctions listings
/investigate <name> --jurisdiction — jurisdictional footprint
/investigate <name1>, <name2> — find connections between subjects
/investigate <name1>, <name2>, <name3>, ... — merged network, find shared links
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.
- 3d ago First seen · 292 lines · 2,820 tokens per session scan A 927f26e762c6
sift CLAUDE.md is an instructions file published in the GitHub repository mefos-lab/sift (2 stars, last pushed 18d ago), licensed MIT. It adds 2,820 tokens to every session, about $0.0141 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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