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diff --git a/include/ingen/Forge.hpp b/include/ingen/Forge.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2017 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_FORGE_HPP
+#define INGEN_FORGE_HPP
+
+#include <ingen/Atom.hpp>
+#include <ingen/ingen.h>
+#include <lv2/atom/forge.h>
+
+#include <cstdint>
+#include <cstring>
+#include <string>
+
+namespace ingen {
+
+class URIMap;
+class URI;
+
+/** Forge for Atoms.
+ * @ingroup IngenShared
+ */
+class INGEN_API Forge : public LV2_Atom_Forge
+{
+public:
+	explicit Forge(URIMap& map);
+
+	std::string str(const Atom& atom, bool quoted);
+
+	bool is_uri(const Atom& atom) const {
+		return atom.type() == URI || atom.type() == URID;
+	}
+
+	static Atom make()   { return {}; }
+	Atom make(int32_t v) { return {sizeof(v), Int, &v}; }
+	Atom make(float v)   { return {sizeof(v), Float, &v}; }
+	Atom make(bool v) {
+		const int32_t iv = v ? 1 : 0;
+		return {sizeof(int32_t), Bool, &iv};
+	}
+
+	Atom make_urid(int32_t v) { return {sizeof(int32_t), URID, &v}; }
+
+	Atom make_urid(const ingen::URI& u);
+
+	static Atom alloc(uint32_t s, uint32_t t, const void* v) {
+		return {s, t, v};
+	}
+
+	Atom alloc(const char* v) {
+		const auto len = static_cast<uint32_t>(strlen(v));
+		return {len + 1U, String, v};
+	}
+
+	Atom alloc(const std::string& v) {
+		return {static_cast<uint32_t>(v.length()) + 1U, String, v.c_str()};
+	}
+
+	Atom alloc_uri(const char* v) {
+		const auto len = static_cast<uint32_t>(strlen(v));
+		return {len + 1U, URI, v};
+	}
+
+	Atom alloc_uri(const std::string& v) {
+		return {static_cast<uint32_t>(v.length()) + 1U, URI, v.c_str()};
+	}
+
+private:
+	URIMap& _map;
+};
+
+} // namespace ingen
+
+#endif // INGEN_FORGE_HPP