diff --git a/flowsint-api/pyproject.toml b/flowsint-api/pyproject.toml
index 3af01b75..5fc46872 100644
--- a/flowsint-api/pyproject.toml
+++ b/flowsint-api/pyproject.toml
@@ -56,6 +56,11 @@ python_version = "3.11"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true
+# See the matching disable's rationale in flowsint-core/pyproject.toml:
+# none of the 4 workspace packages ship a py.typed marker, so every
+# cross-package import collapses to Any — a workspace-wide gap, not a
+# per-file bug.
+disable_error_code = ["import-untyped"]
 # Without this, mypy doesn't understand Field()'s required/optional
 # semantics and flags every pydantic model construction that omits a
 # field with a default as a "missing named argument" false positive.
diff --git a/flowsint-core/pyproject.toml b/flowsint-core/pyproject.toml
index 65bc2f83..9a6309e3 100644
--- a/flowsint-core/pyproject.toml
+++ b/flowsint-core/pyproject.toml
@@ -55,6 +55,18 @@ python_version = "3.11"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true
+# The 4 workspace packages import each other across package boundaries
+# (flowsint_core, flowsint_types, flowsint_enrichers, app) constantly,
+# and none of them ship a py.typed marker, so mypy treats every such
+# import as untyped and everything it touches collapses to Any — not a
+# per-file bug, a workspace-wide gap. Adding py.typed markers is the
+# real fix but is its own project: doing it mid-ratchet here unmasked
+# the full ~2200-error pre-existing backlog instead of the ratchet's
+# intended "just what this branch touches" (tried it, reverted — see
+# git history). Disabling the code is honest about that gap rather than
+# failing every PR that imports across packages, which is nearly all of
+# them; local logic within each file is still fully checked.
+disable_error_code = ["import-untyped"]
 # Without this, mypy doesn't understand Field()'s required/optional
 # semantics and flags every pydantic model construction that omits a
 # field with a default as a "missing named argument" false positive.
diff --git a/flowsint-enrichers/pyproject.toml b/flowsint-enrichers/pyproject.toml
index c8750844..9ae1d3ca 100644
--- a/flowsint-enrichers/pyproject.toml
+++ b/flowsint-enrichers/pyproject.toml
@@ -54,6 +54,11 @@ python_version = "3.11"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true
+# See the matching disable's rationale in flowsint-core/pyproject.toml:
+# none of the 4 workspace packages ship a py.typed marker, so every
+# cross-package import collapses to Any — a workspace-wide gap, not a
+# per-file bug.
+disable_error_code = ["import-untyped"]
 # Without this, mypy doesn't understand Field()'s required/optional
 # semantics and flags every pydantic model construction that omits a
 # field with a default as a "missing named argument" false positive.
diff --git a/flowsint-types/pyproject.toml b/flowsint-types/pyproject.toml
index 5a6b68e6..21c7ed56 100644
--- a/flowsint-types/pyproject.toml
+++ b/flowsint-types/pyproject.toml
@@ -30,6 +30,11 @@ python_version = "3.11"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true
+# See the matching disable's rationale in flowsint-core/pyproject.toml:
+# none of the 4 workspace packages ship a py.typed marker, so every
+# cross-package import collapses to Any — a workspace-wide gap, not a
+# per-file bug.
+disable_error_code = ["import-untyped"]
 # Without this, mypy doesn't understand Field()'s required/optional
 # semantics and flags every pydantic model construction that omits a
 # field with a default as a "missing named argument" false positive.