Borrowing it
Nothing to install: this file belongs to JayTheSkier/fedlex-connector. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/JayTheSkier/fedlex-connector/main/CLAUDE.mdgit clone --depth 1 https://github.com/JayTheSkier/fedlex-connectorWrote 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/jaytheskier/fedlex-connector/claude-md)<a href="https://agentmods.dev/instructions/jaytheskier/fedlex-connector/claude-md"><img src="https://agentmods.dev/badge/instructions/jaytheskier/fedlex-connector/claude-md/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/instructions/jaytheskier/fedlex-connector/claude-md"><img src="https://agentmods.dev/badge/instructions/jaytheskier/fedlex-connector/claude-md.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00362 | $0.00362 |
| Opus 5 | $0.00181 | $0.00181 |
| Sonnet 5 | $0.00072 | $0.00072 |
| Haiku 4.5 | $0.00036 | $0.00036 |
Grade A, and why
fedlex-connector 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 10d 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
Fedlex Connector
MCP server that gives Claude access to Swiss federal legislation from fedlex.admin.ch.
Build & Run
npm run build— compile TypeScript (always run after editingsrc/)npm start— run in stdio mode (local Claude Code / Claude Desktop)npm run start:http— run in HTTP mode on port 3000 (remote deployment)npm run dev— TypeScript watch mode
Architecture
Four tools (search_by_title, get_article, get_law_text, list_amendments) backed by two data sources:
- SPARQL (
src/sparql.ts) — queries Fedlex's SPARQL endpoint for metadata (RS numbers, consolidation URIs, amendment history) - Filestore (
src/filestore.ts) — fetches and parses static HTML from Fedlex's filestore for actual law text
Entry point (src/index.ts) detects PORT env var: if set, runs Express HTTP server; otherwise stdio.
Code Conventions
- ES modules (
"type": "module"in package.json) — use.jsextensions in imports - TypeScript strict mode — no
anyunless unavoidable - Shared types live in
src/types.ts - SPARQL string literals must be escaped via
escapeSparqlString()insparql.ts - SPARQL has rate limiting (10 req/s), filestore has rate limiting (20 req/s) — don't bypass it
External Services
This server queries Swiss government infrastructure. Be respectful:
- Don't increase rate limits
- Don't add retry loops without backoff
- Don't make requests in parallel that could spike load
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.
- 10d ago First seen · 34 lines · 362 tokens per session scan A 450d39f023ae
fedlex-connector CLAUDE.md is an instructions file published in the GitHub repository JayTheSkier/fedlex-connector (6 stars, last pushed 11d ago), licensed MIT. It adds 362 tokens to every session, about $0.0018 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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