swiss-culture-mcp: Instructions file for Claude Code

CLAUDE.md

swiss-culture-mcp CLAUDE.md is an instructions file for Claude Code from malkreide/swiss-culture-mcp. It costs 6,176 tokens per session, scanned C, original, MIT.

A set of instructions for working on Swiss Culture MCP, a project that provides access to Swiss cultural information through an MCP server. It includes checks for an up-to-date Git clone, testing guidance, and steps for investigating failures.

In plain words
What is it for?
Use it before making changes, when updating the repository, running tests, or investigating failures in the Swiss Culture MCP project.
Why use it?
It helps prevent work from being based on an outdated copy of the repository and gives the agent a consistent way to diagnose red tests or skipped checks.

Instructions file for Claude Code

Written for Claude Code: SessionStart hook event. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Codex.

This is malkreide/swiss-culture-mcp's own configuration. It tells Claude Code how to work on swiss-culture-mcp 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 swiss-culture-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to malkreide/swiss-culture-mcp. 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/malkreide/swiss-culture-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/malkreide/swiss-culture-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Per session 6,176 This file is loaded in full into every session.
When invoked 6,176 The same file — it is already loaded in full.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.06176 $0.06176
Opus 5.5 $0.02470 $0.02470
Sonnet 5.5 $0.01235 $0.01235
Haiku 4.5 $0.00618 $0.00618

Measured 2d ago against content hash 0e2038d9ab41, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

swiss-culture-mcp CLAUDE.md scanned grade C with 2 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 2d 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

find . -name __pycache__ -type d -prune -exec rm -rf {} +

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Token aus der Umgebung in einen curl-Header zu setzen, blockiert der
CLAUDE.md · 426 lines

How it starts

The opening of the file, as written. The whole thing — 426 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

Vor der Arbeit

Klon-Aktualität prüfen — Standard-Branch ermitteln, nicht main annehmen:

B=$(git ls-remote --symref origin HEAD | sed -n 's|^ref: refs/heads/\([^[:space:]]*\).*|\1|p')
git fetch origin "${B:?Standard-Branch nicht ermittelbar}" &&
  git rev-list --count HEAD..FETCH_HEAD

Drei Server im Portfolio heissen ihren Standard-Branch master (openlex-mcp, swiss-courts-mcp, swisstopo-mcp); dort scheitert ein fest verdrahtetes origin/main mit «couldn't find remote ref main». Wer das für ein Netzproblem hält, arbeitet weiter auf genau dem veralteten Klon, vor dem dieser Absatz warnt. Den :?-Schutz nicht weglassen: Bei leerem B fetcht git still den Remote-HEAD und endet mit 0.

Ein veralteter Klon erzeugt eine rote CI, deren Ursache nicht im Diff steht. Am 3.8.2026 zweimal passiert — beide Male fehlten genau die Commits, die das Gate einführten, an dem der Branch scheiterte.

Seit .claude/settings.json läuft diese Prüfung als SessionStart-Hook (.claude/hooks/session-start.sh) und meldet den Rückstand von selbst. Sie blockiert nie und schweigt bei 0 — bleibt oben also von Hand zu fahren, wenn der Hook nicht greift (fremder Klon, kein Netz beim Start). Begründung und Zusicherungen: .claude/hooks/README.md.

Gates lokal fahren, mit der GEPINNTEN ruff-Version aus der CI. Eine andere Version meldet Abweichungen, die niemand verursacht hat.

Tests

Gegenprobe ist Pflicht. Ein Test, der grün bleibt, wenn man die Implementierung entfernt, prüft nichts. Jede neue Zusicherung einzeln neutralisieren und zeigen, dass genau die zugehörigen Tests fallen. Zwei Fallen, die beide grün blieben:

  • Eine Fake-Uhr, die nur beim Schlafen vorrückt, kann eine Zusicherung über echte Zeit nicht widerlegen.
  • monkeypatch.setattr(modul.asyncio, "sleep", ...) greift ins Modul asyncio selbst und entschärft die Mechanik im ganzen Prozess. Patche einen Modul-Alias (_sleep = asyncio.sleep), nicht das fremde Modul.
  • Den Bytecode-Cache leeren, sonst prüft die Gegenprobe den alten Stand. Am 19.9.2026 überlebte eine Mutation im Klassifizierer alle Tests. Der Test war in Ordnung; die Mutation war nie angekommen. Python hält eine .pyc für gültig, wenn Grösse und mtime der Quelldatei passen — und RUNNING durch PENDING zu ersetzen ändert die Grösse nicht (beide sieben Zeichen), während das cp zum Zurücksetzen unmittelbar davor die mtime in dieselbe Sekunde legte. Beide Prüfgrössen gleich, alter Bytecode, grüner Lauf.

Read the full file on GitHub · 426 lines

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. 2d ago Changed · +27 lines · +536 tokens per session 0e2038d9ab41
  2. 3d ago Changed · +16 lines · +322 tokens per session df2056d4c566
  3. 1mo ago Changed · +51 lines · +690 tokens per session b9ab38456942
  4. 1mo ago Changed · -123 lines · -1,737 tokens per session scan A → C 04232860a861
  5. 2mo ago First seen · 455 lines · 6,365 tokens per session scan A 2e363dbda306

Subscribe to this mod's changes

swiss-culture-mcp CLAUDE.md is an instructions file published in the GitHub repository malkreide/swiss-culture-mcp (1 stars, last pushed 2d ago), licensed MIT. It adds 6,176 tokens to every session, about $0.0247 per session on Opus 5.5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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