diff --git a/src/journal_bot/context.py b/src/journal_bot/context.py
new file mode 100644
index 0000000..62cfb66
--- /dev/null
+++ b/src/journal_bot/context.py
@@ -0,0 +1,50 @@
+from datetime import date
+from pathlib import Path
+import re
+
+
+WEEKDAYS_DE = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"]
+
+
+def _read_frontmatter(text: str) -> dict[str, str]:
+    if not text.startswith("---"):
+        return {}
+    end = text.find("\n---", 3)
+    if end == -1:
+        return {}
+    block = text[3:end]
+    out: dict[str, str] = {}
+    for line in block.splitlines():
+        if ":" in line:
+            k, v = line.split(":", 1)
+            out[k.strip()] = v.strip()
+    return out
+
+
+def collect_vault_context(vault_path: Path, today: date) -> dict:
+    persons: list[dict] = []
+    persons_dir = vault_path / "00 Kontext" / "Personen"
+    if persons_dir.exists():
+        for md in sorted(persons_dir.glob("*.md")):
+            fm = _read_frontmatter(md.read_text(encoding="utf-8"))
+            display = md.stem
+            persons.append({
+                "display": display,
+                "vault_path": f"00 Kontext/Personen/{display}",
+                "vorname": fm.get("vorname", ""),
+                "nachname": fm.get("nachname", ""),
+                "spitzname": fm.get("spitzname", ""),
+            })
+
+    projects: list[str] = []
+    projects_dir = vault_path / "02 Projekte"
+    if projects_dir.exists():
+        for md in sorted(projects_dir.glob("*.md")):
+            projects.append(md.stem)
+
+    return {
+        "today": today.isoformat(),
+        "weekday": WEEKDAYS_DE[today.weekday()],
+        "persons": persons,
+        "projects": projects,
+    }
diff --git a/tests/test_context.py b/tests/test_context.py
new file mode 100644
index 0000000..8ef3091
--- /dev/null
+++ b/tests/test_context.py
@@ -0,0 +1,34 @@
+from pathlib import Path
+from datetime import date
+from journal_bot.context import collect_vault_context
+
+
+def test_collect_persons_from_personen_folder(tmp_path):
+    persons = tmp_path / "00 Kontext" / "Personen"
+    persons.mkdir(parents=True)
+    (persons / "Vera Kauer.md").write_text(
+        "---\nvorname: Vera\nnachname: Kauer\nspitzname: Vera\n---\n", encoding="utf-8"
+    )
+    (persons / "Philip Losch.md").write_text(
+        "---\nvorname: Philip\nnachname: Losch\n---\n", encoding="utf-8"
+    )
+    ctx = collect_vault_context(tmp_path, today=date(2026, 6, 14))
+    names = {p["display"] for p in ctx["persons"]}
+    assert "Vera Kauer" in names
+    assert "Philip Losch" in names
+
+
+def test_collect_active_projects(tmp_path):
+    projects = tmp_path / "02 Projekte"
+    projects.mkdir()
+    (projects / "Telegram Bot.md").write_text("aktiv", encoding="utf-8")
+    (projects / "Andere Idee.md").write_text("aktiv", encoding="utf-8")
+    ctx = collect_vault_context(tmp_path, today=date(2026, 6, 14))
+    assert "Telegram Bot" in ctx["projects"]
+    assert "Andere Idee" in ctx["projects"]
+
+
+def test_today_and_weekday(tmp_path):
+    ctx = collect_vault_context(tmp_path, today=date(2026, 6, 14))
+    assert ctx["today"] == "2026-06-14"
+    assert ctx["weekday"] == "Sonntag"