diff --git a/grafast/grafast/src/steps/__inputDynamicScalar.ts b/grafast/grafast/src/steps/__inputDynamicScalar.ts
index 7abdc5e04..6772f56a9 100644
--- a/grafast/grafast/src/steps/__inputDynamicScalar.ts
+++ b/grafast/grafast/src/steps/__inputDynamicScalar.ts
@@ -129,6 +129,7 @@ export class __InputDynamicScalarStep<
     return converted;
   };
 
+  /** @internal */
   eval(): TLeaf {
     const variableValues = this.variableNames.map((variableName, i) =>
       this.getDep<__TrackedValueStep>(i).eval(),
@@ -136,6 +137,7 @@ export class __InputDynamicScalarStep<
     return this.valueFromValues(variableValues);
   }
 
+  /** @internal */
   evalIs(expectedValue: undefined | null | 0): boolean {
     if (
       expectedValue === undefined ||
diff --git a/grafast/grafast/src/steps/__inputList.ts b/grafast/grafast/src/steps/__inputList.ts
index 8aa3a4c96..28b5367cd 100644
--- a/grafast/grafast/src/steps/__inputList.ts
+++ b/grafast/grafast/src/steps/__inputList.ts
@@ -95,6 +95,7 @@ export class __InputListStep<
     return itemPlan;
   }
 
+  /** @internal */
   eval(): any[] | null {
     if (this.inputValues?.kind === "NullValue") {
       return null;
@@ -113,6 +114,7 @@ export class __InputListStep<
     return list;
   }
 
+  /** @internal */
   evalIs(value: null | undefined | 0): boolean {
     if (value === undefined) {
       return this.inputValues === value;
@@ -125,6 +127,7 @@ export class __InputListStep<
     }
   }
 
+  /** @internal */
   evalLength(): number | null {
     if (this.inputValues === undefined) {
       return null;
diff --git a/grafast/grafast/src/steps/__inputObject.ts b/grafast/grafast/src/steps/__inputObject.ts
index 1db79cf97..91909d546 100644
--- a/grafast/grafast/src/steps/__inputObject.ts
+++ b/grafast/grafast/src/steps/__inputObject.ts
@@ -128,6 +128,7 @@ export class __InputObjectStep<
     return step;
   }
 
+  /** @internal */
   eval(): any {
     if (this.inputValues?.kind === "NullValue") {
       return null;
@@ -140,6 +141,7 @@ export class __InputObjectStep<
     return resultValues;
   }
 
+  /** @internal */
   evalIs(value: null | undefined | 0): boolean {
     if (value === undefined) {
       return this.inputValues === value;
@@ -156,6 +158,7 @@ export class __InputObjectStep<
     }
   }
 
+  /** @internal */
   evalIsEmpty(): boolean {
     return (
       this.inputValues?.kind === "ObjectValue" &&
@@ -164,6 +167,7 @@ export class __InputObjectStep<
   }
 
   // Written without consulting spec.
+  /** @internal */
   evalHas(attrName: string): boolean {
     if (!this.inputValues) {
       return false;
@@ -177,6 +181,7 @@ export class __InputObjectStep<
     return !this.inputFields[attrName].step.evalIs(undefined);
   }
 
+  /** @internal */
   evalKeys(): ReadonlyArray<keyof TInputType & string> | null {
     if (this.inputValues === undefined) {
       return null;
diff --git a/grafast/grafast/src/steps/__inputStaticLeaf.ts b/grafast/grafast/src/steps/__inputStaticLeaf.ts
index 6e48f02c7..2af94f23c 100644
--- a/grafast/grafast/src/steps/__inputStaticLeaf.ts
+++ b/grafast/grafast/src/steps/__inputStaticLeaf.ts
@@ -55,10 +55,12 @@ export class __InputStaticLeafStep<TLeaf = any> extends UnbatchedStep<TLeaf> {
     return constant(this.coercedValue, false);
   }
 
+  /** @internal */
   eval(): TLeaf {
     return this.coercedValue;
   }
 
+  /** @internal */
   evalIs(expectedValue: unknown): boolean {
     return this.coercedValue === expectedValue;
   }
diff --git a/grafast/grafast/src/steps/__trackedValue.ts b/grafast/grafast/src/steps/__trackedValue.ts
index 96bd75d24..1d34da19d 100644
--- a/grafast/grafast/src/steps/__trackedValue.ts
+++ b/grafast/grafast/src/steps/__trackedValue.ts
@@ -292,6 +292,8 @@ export class __TrackedValueStep<
    * **WARNING**: avoid using this where possible, it causes OpPlans to split.
    *
    * **WARNING**: this is the most expensive eval, if you need to eval, prefer evalIs, evalHas, etc instead.
+   *
+   * @internal
    */
   eval(): TData | undefined {
     const { path, value } = this;
@@ -311,6 +313,8 @@ export class __TrackedValueStep<
    * Should only be used on scalars.
    *
    * **WARNING**: avoid using this where possible, it causes OpPlans to split.
+   *
+   * @internal
    */
   evalIs(expectedValue: unknown): boolean {
     const { value, path } = this;
@@ -324,6 +328,7 @@ export class __TrackedValueStep<
     return pass;
   }
 
+  /** @internal */
   evalIsEmpty() {
     const { value, path } = this;
     const isEmpty =
@@ -344,6 +349,8 @@ export class __TrackedValueStep<
    * check will always return the same (boolean) result.
    *
    * **WARNING**: avoid using this where possible, it causes OpPlans to split.
+   *
+   * @internal
    */
   evalHas(key: string): boolean {
     const { value, path } = this;
@@ -372,6 +379,8 @@ export class __TrackedValueStep<
    * check will always return the same result.
    *
    * **WARNING**: avoid using this where possible, it causes OpPlans to split.
+   *
+   * @internal
    */
   evalKeys(): ReadonlyArray<keyof TData & string> | null {
     const { value, path } = this;
@@ -417,6 +426,8 @@ export class __TrackedValueStep<
    * the same length.
    *
    * **WARNING**: avoid using this where possible, it causes OpPlans to split.
+   *
+   * @internal
    */
   evalLength(): number | null {
     const { value, path } = this;
diff --git a/grafast/grafast/src/steps/constant.ts b/grafast/grafast/src/steps/constant.ts
index 22d204cb8..11069c16d 100644
--- a/grafast/grafast/src/steps/constant.ts
+++ b/grafast/grafast/src/steps/constant.ts
@@ -71,14 +71,17 @@ export class ConstantStep<TData> extends UnbatchedStep<TData> {
     return arrayOfLength(count, this.data);
   }
 
+  /** @internal */
   eval() {
     return this.data;
   }
 
+  /** @internal */
   evalIs(value: any) {
     return this.data === value;
   }
 
+  /** @internal */
   evalIsEmpty() {
     return (
       typeof this.data === "object" &&
@@ -87,10 +90,12 @@ export class ConstantStep<TData> extends UnbatchedStep<TData> {
     );
   }
 
+  /** @internal */
   evalLength() {
     return Array.isArray(this.data) ? this.data.length : null;
   }
 
+  /** @internal */
   evalKeys(): ReadonlyArray<keyof TData & string> | null {
     if (this.data == null || typeof this.data !== "object") {
       return null;