diff --git a/docs/build.jl b/docs/build.jl
new file mode 100644
index 0000000..d7adcc4
--- /dev/null
+++ b/docs/build.jl
@@ -0,0 +1,40 @@
+using Docile, Lexicon
+
+const api_directory = "api"
+const modules = [Lexicon]
+
+cd(dirname(@__FILE__)) do
+
+    # Run the doctests *before* we start to generate *any* documentation.
+    for m in modules
+        failures = failed(doctest(m))
+        if !isempty(failures.results)
+            println("\nDoctests failed, aborting commit.\n")
+            display(failures)
+            exit(1) # Bail when doctests fail.
+        end
+    end
+
+    # Generate and save the contents of docstrings as markdown files.
+    index  = Index()
+    for mod in modules
+        update!(index, save(joinpath(api_directory, "$(mod).md"), mod))
+    end
+    save(joinpath(api_directory, "index.md"), index; md_subheader = :category)
+
+    # Add a reminder not to edit the generated files.
+    open(joinpath(api_directory, "README.md"), "w") do f
+        print(f, """
+        Files in this directory are generated using the `build.jl` script. Make
+        all changes to the originating docstrings/files rather than these ones.
+        Documentation should *only* be built directly on the `master` branch.
+        Source links would otherwise become unavailable should a branch be
+        deleted from the `origin`. This means potential pull request authors
+        *should not* run the build script when filing a PR.
+        """)
+    end
+
+    info("Adding all documentation changes in $(api_directory) to this commit.")
+    success(`git add $(api_directory)`) || exit(1)
+
+end