diff --git a/crates/red_knot_python_semantic/resources/primer/bad.txt b/crates/red_knot_python_semantic/resources/primer/bad.txt
new file mode 100644
index 0000000000..d263c922c9
--- /dev/null
+++ b/crates/red_knot_python_semantic/resources/primer/bad.txt
@@ -0,0 +1,34 @@
+Tanjun  # cycle panic (signature_)
+aiohttp  # missing expression ID
+alerta  # missing expression ID
+altair  # cycle panics (try_metaclass_)
+antidote  # hangs / slow
+artigraph  # cycle panics (value_type_)
+colour  # cycle panics (try_metaclass_)
+core  # cycle panics (value_type_)
+cpython  # missing expression ID, access to field whilst being initialized, too many cycle iterations
+discord.py  # some kind of hang, only when multi-threaded?
+freqtrade  # cycle panics (try_metaclass_)
+hydpy  # cycle panics (try_metaclass_)
+ibis  # cycle panics (try_metaclass_)
+manticore  # stack overflow
+materialize  # stack overflow
+meson  # missing expression ID
+mypy  # cycle panic (signature_)
+pandas  # slow
+pandas-stubs  # cycle panics (try_metaclass_)
+pandera  # cycle panics (try_metaclass_)
+prefect # slow
+pytest  # cycle panics (signature_), missing expression ID
+pywin32  # bad use-def map (binding with definitely-visible unbound)
+schemathesis  # cycle panics (signature_)
+scikit-learn  # success, but mypy-primer hangs processing the output
+scipy  # missing expression ID
+spack  # success, but mypy-primer hangs processing the output
+spark  # cycle panics (try_metaclass_)
+sphinx  # missing expression ID
+steam.py  # missing expression ID
+streamlit  # cycle panic (signature_)
+sympy  # stack overflow
+trio  # missing expression ID
+xarray  # cycle panics (try_metaclass_)
diff --git a/crates/red_knot_python_semantic/resources/primer/good.txt b/crates/red_knot_python_semantic/resources/primer/good.txt
index f1501dc9d5..2c7a36665a 100644
--- a/crates/red_knot_python_semantic/resources/primer/good.txt
+++ b/crates/red_knot_python_semantic/resources/primer/good.txt
@@ -30,6 +30,7 @@ dd-trace-py
 dedupe
 django-stubs
 downforeveryone
+dragonchain
 dulwich
 flake8
 flake8-pyi
@@ -64,6 +65,8 @@ packaging
 paroxython
 parso
 pegen
+pip
+poetry
 porcupine
 ppb-vector
 psycopg
@@ -87,6 +90,7 @@ rich
 rotki
 schema_salad
 scrapy
+setuptools
 sockeye
 speedrun.com_global_scoreboard_webapp
 starlette