diff --git a/atproto/syntax/uri.go b/atproto/syntax/uri.go
index fbf8807c..61165b25 100644
--- a/atproto/syntax/uri.go
+++ b/atproto/syntax/uri.go
@@ -5,6 +5,8 @@ import (
 	"regexp"
 )
 
+var uriRegex = regexp.MustCompile(`^[a-z][a-z.-]{0,80}:[[:graph:]]+$`)
+
 // Represents an arbitrary URI in string format, as would pass Lexicon syntax validation.
 //
 // The syntax is minimal and permissive, designed for fast verification and exact-string passthrough, not schema-specific parsing or validation. For example, will not validate AT-URI or DID strings.
@@ -19,7 +21,6 @@ func ParseURI(raw string) (URI, error) {
 	if len(raw) > 8192 {
 		return "", errors.New("URI is too long (8192 chars max)")
 	}
-	var uriRegex = regexp.MustCompile(`^[a-z][a-z.-]{0,80}:[[:graph:]]+$`)
 	if !uriRegex.MatchString(raw) {
 		return "", errors.New("URI syntax didn't validate via regex")
 	}
-- 
2.51.2


From 6755517c451632d48fbdd05683467a1ae7300720 Mon Sep 17 00:00:00 2001
From: bryan newbold <bnewbold@robocracy.org>
Date: Wed, 8 Apr 2026 13:37:58 -0700
Subject: [PATCH 2/3] syntax: remove wasteful string construction in
 NewTIDFromInteger()

---
 atproto/syntax/tid.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/atproto/syntax/tid.go b/atproto/syntax/tid.go
index bebb8467..01494397 100644
--- a/atproto/syntax/tid.go
+++ b/atproto/syntax/tid.go
@@ -48,12 +48,12 @@ func NewTIDNow(clockId uint) TID {
 
 func NewTIDFromInteger(v uint64) TID {
 	v = (0x7FFF_FFFF_FFFF_FFFF & v)
-	s := ""
-	for i := 0; i < 13; i++ {
-		s = string(Base32SortAlphabet[v&0x1F]) + s
+	var buf [13]byte
+	for i := 12; i >= 0; i-- {
+		buf[i] = Base32SortAlphabet[v&0x1F]
 		v = v >> 5
 	}
-	return TID(s)
+	return TID(buf[:])
 }
 
 // Constructs a new TID from a UNIX timestamp (in milliseconds) and clock ID value.
-- 
2.51.2


From 1f59f69bfec7bd5e35fc1bf61e332ba642057c6c Mon Sep 17 00:00:00 2001
From: bryan newbold <bnewbold@robocracy.org>
Date: Wed, 8 Apr 2026 13:38:28 -0700
Subject: [PATCH 3/3] syntax: basic bench tests

---
 atproto/syntax/bench_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 atproto/syntax/bench_test.go

diff --git a/atproto/syntax/bench_test.go b/atproto/syntax/bench_test.go
new file mode 100644
index 00000000..ebcee1f2
--- /dev/null
+++ b/atproto/syntax/bench_test.go
@@ -0,0 +1,18 @@
+package syntax
+
+import "testing"
+
+func BenchmarkParseURI(b *testing.B) {
+	for b.Loop() {
+		_, _ = ParseURI("https://example.com/path?query=1#fragment")
+	}
+	b.ReportAllocs()
+}
+
+func BenchmarkTIDClock_Next(b *testing.B) {
+	clock := NewTIDClock(1)
+	for b.Loop() {
+		_ = clock.Next()
+	}
+	b.ReportAllocs()
+}