termdat-mcp: Instructions file for Claude Code

CLAUDE.md

termdat-mcp CLAUDE.md is an instructions file for Claude Code from malkreide/termdat-mcp. It costs 4,259 tokens per session, scanned A, a copy of swisstopo-mcp CLAUDE.md, MIT.

A set of project instructions for Claude Code, including rules for keeping a code checkout current, running tests, and responding when checks fail. It also describes conventions for a portfolio of repositories.

In plain words
What is it for?
Use it when maintaining the listed repositories, especially before making changes, running tests, or investigating a failed build or code-quality check.
Why use it?
It helps the coding agent avoid working from an outdated copy of a repository or using checks that differ from the project's continuous-integration setup.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Codex.

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

Reuse

Borrowing it

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

Made for: Claude Code.

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Per session 4,259 This file is loaded in full into every session.
When invoked 4,259 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 75% copy Near-identical to another mod 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 $0.04259 $0.04259
Opus 5.5 $0.01704 $0.01704
Sonnet 5.5 $0.00852 $0.00852
Haiku 4.5 $0.00426 $0.00426

Measured 1mo ago against content hash 8ae51c617ccb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

termdat-mcp CLAUDE.md scanned grade A with 1 finding 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 1mo 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.

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
Origin

This is a copy

75% identical to swisstopo-mcp CLAUDE.md — 99 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CLAUDE.md · 324 lines

How it starts

The opening of the file, as written. The whole thing — 324 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

Teil 1 — Portfolio-Konventionen

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.

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.

Handgeschriebene Fixtures kodieren die Annahme des Autors und können sie nicht widerlegen. Mindestens eine aufgezeichnete Antwort pro externem Endpunkt, mit Aufnahmedatum.

Wenn etwas rot ist

Roter Live-Test: erst die Quelle abfragen, dann einordnen. Nicht aus der Fehlermeldung schliessen. Am 3.8.2026 hiess "nicht gefunden" nicht, dass der Datensatz weg war, sondern dass die Quelle die Schreibweise ihrer Kopfzeile gewechselt hatte — vier von sechs Datensätzen produktiv kaputt, alle Unit-Tests grün.

Read the full file on GitHub · 324 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. 1mo ago Changed · +49 lines · +669 tokens per session 8ae51c617ccb
  2. 1mo ago Changed · -215 lines · -3,144 tokens per session a746e56b58b2
  3. 1mo ago Changed · +25 lines · +431 tokens per session 03af81d6d8e3
  4. 2mo ago First seen · 465 lines · 6,303 tokens per session scan A 4aa8df5e9087

Subscribe to this mod's changes

termdat-mcp CLAUDE.md is an instructions file published in the GitHub repository malkreide/termdat-mcp (1 stars, last pushed 1mo ago), licensed MIT. It adds 4,259 tokens to every session, about $0.0170 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). It is 75% identical to swisstopo-mcp CLAUDE.md, differing in 99 lines, and is treated as a copy.

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