diff --git a/packages/server/src/runtime/builtin/compress.rs b/packages/server/src/runtime/builtin/compress.rs
index 05087b5c..56aa6034 100644
--- a/packages/server/src/runtime/builtin/compress.rs
+++ b/packages/server/src/runtime/builtin/compress.rs
@@ -1,5 +1,8 @@
 use super::Runtime;
+use byte_unit::Byte;
+use num::ToPrimitive;
 use std::pin::Pin;
+use std::time::Duration;
 use tangram_client as tg;
 use tokio::io::AsyncRead;
 
@@ -7,7 +10,7 @@ impl Runtime {
 	pub async fn compress(
 		&self,
 		build: &tg::Build,
-		_remote: Option<String>,
+		remote: Option<String>,
 	) -> tg::Result<tg::Value> {
 		let server = &self.server;
 
@@ -36,8 +39,42 @@ impl Runtime {
 			.parse::<tg::blob::compress::Format>()
 			.map_err(|source| tg::error!(!source, "invalid format"))?;
 
-		// Compress the blob.
 		let reader = blob.reader(server).await?;
+		// Spawn a task to log progress.
+		let compressed = reader.position();
+		let content_length = reader.size();
+		let log_task = tokio::spawn({
+			let server = server.clone();
+			let build = build.clone();
+			let remote = remote.clone();
+			async move {
+				loop {
+					let compressed = compressed.load(std::sync::atomic::Ordering::Relaxed);
+					let percent =
+						100.0 * compressed.to_f64().unwrap() / content_length.to_f64().unwrap();
+					let compressed = Byte::from_u64(compressed);
+					let content_length = Byte::from_u64(content_length);
+					let message = format!(
+						"compressing: {compressed:#} of {content_length:#} {percent:.2}%\n"
+					);
+					let arg = tg::build::log::post::Arg {
+						bytes: message.into(),
+						remote: remote.clone(),
+					};
+					let result = build.add_log(&server, arg).await;
+					if result.is_err() {
+						break;
+					}
+					tokio::time::sleep(Duration::from_secs(1)).await;
+				}
+			}
+		});
+		let log_task_abort_handle = log_task.abort_handle();
+		scopeguard::defer! {
+			log_task_abort_handle.abort();
+		};
+
+		// Compress the blob.
 		let reader: Pin<Box<dyn AsyncRead + Send + 'static>> = match format {
 			tg::blob::compress::Format::Bz2 => {
 				Box::pin(async_compression::tokio::bufread::BzEncoder::new(reader))
@@ -54,6 +91,16 @@ impl Runtime {
 		};
 		let blob = tg::Blob::with_reader(server, reader).await?;
 
+		log_task.abort();
+
+		// Log that the compression finished.
+		let message = format!("finished compressing\n");
+		let arg = tg::build::log::post::Arg {
+			bytes: message.into(),
+			remote: remote.clone(),
+		};
+		build.add_log(server, arg).await.ok();
+
 		Ok(blob.into())
 	}
 }
diff --git a/packages/server/src/runtime/builtin/decompress.rs b/packages/server/src/runtime/builtin/decompress.rs
index 39fe6386..f28cbda9 100644
--- a/packages/server/src/runtime/builtin/decompress.rs
+++ b/packages/server/src/runtime/builtin/decompress.rs
@@ -1,5 +1,8 @@
 use super::Runtime;
+use byte_unit::Byte;
+use num::ToPrimitive;
 use std::pin::Pin;
+use std::time::Duration;
 use tangram_client as tg;
 use tokio::io::AsyncRead;
 
@@ -7,7 +10,7 @@ impl Runtime {
 	pub async fn decompress(
 		&self,
 		build: &tg::Build,
-		_remote: Option<String>,
+		remote: Option<String>,
 	) -> tg::Result<tg::Value> {
 		let server = &self.server;
 
@@ -36,8 +39,42 @@ impl Runtime {
 			.parse::<tg::blob::compress::Format>()
 			.map_err(|source| tg::error!(!source, "invalid format"))?;
 
-		// Decompress the blob.
 		let reader = blob.reader(server).await?;
+		// Spawn a task to log progress.
+		let decompressed = reader.position();
+		let content_length = reader.size();
+		let log_task = tokio::spawn({
+			let server = server.clone();
+			let build = build.clone();
+			let remote = remote.clone();
+			async move {
+				loop {
+					let decompressed = decompressed.load(std::sync::atomic::Ordering::Relaxed);
+					let percent =
+						100.0 * decompressed.to_f64().unwrap() / content_length.to_f64().unwrap();
+					let decompressed = Byte::from_u64(decompressed);
+					let content_length = Byte::from_u64(content_length);
+					let message = format!(
+						"decompressing: {decompressed:#} of {content_length:#} {percent:.2}%\n"
+					);
+					let arg = tg::build::log::post::Arg {
+						bytes: message.into(),
+						remote: remote.clone(),
+					};
+					let result = build.add_log(&server, arg).await;
+					if result.is_err() {
+						break;
+					}
+					tokio::time::sleep(Duration::from_secs(1)).await;
+				}
+			}
+		});
+		let log_task_abort_handle = log_task.abort_handle();
+		scopeguard::defer! {
+			log_task_abort_handle.abort();
+		};
+
+		// Decompress the blob.
 		let reader: Pin<Box<dyn AsyncRead + Send + 'static>> = match format {
 			tg::blob::compress::Format::Bz2 => {
 				Box::pin(async_compression::tokio::bufread::BzDecoder::new(reader))
@@ -52,8 +89,19 @@ impl Runtime {
 				Box::pin(async_compression::tokio::bufread::ZstdDecoder::new(reader))
 			},
 		};
+
 		let blob = tg::Blob::with_reader(server, reader).await?;
 
+		log_task.abort();
+
+		// Log that the decompression finished.
+		let message = format!("finished decompressing\n");
+		let arg = tg::build::log::post::Arg {
+			bytes: message.into(),
+			remote: remote.clone(),
+		};
+		build.add_log(server, arg).await.ok();
+
 		Ok(blob.into())
 	}
 }
diff --git a/packages/server/src/runtime/builtin/extract.rs b/packages/server/src/runtime/builtin/extract.rs
index 0aecf3fb..d5611ae9 100644
--- a/packages/server/src/runtime/builtin/extract.rs
+++ b/packages/server/src/runtime/builtin/extract.rs
@@ -1,5 +1,8 @@
 use super::Runtime;
 use crate::tmp::Tmp;
+use byte_unit::Byte;
+use num::ToPrimitive;
+use std::time::Duration;
 use tangram_client as tg;
 use tokio_util::io::SyncIoBridge;
 
@@ -7,7 +10,7 @@ impl Runtime {
 	pub async fn extract(
 		&self,
 		build: &tg::Build,
-		_remote: Option<String>,
+		remote: Option<String>,
 	) -> tg::Result<tg::Value> {
 		let server = &self.server;
 
@@ -41,6 +44,37 @@ impl Runtime {
 
 		// Create the reader.
 		let reader = blob.reader(server).await?;
+		let extracted = reader.position();
+		let content_length = reader.size();
+		let log_task = tokio::spawn({
+			let server = server.clone();
+			let build = build.clone();
+			let remote = remote.clone();
+			async move {
+				loop {
+					let extracted = extracted.load(std::sync::atomic::Ordering::Relaxed);
+					let percent =
+						100.0 * extracted.to_f64().unwrap() / content_length.to_f64().unwrap();
+					let extracted = Byte::from_u64(extracted);
+					let content_length = Byte::from_u64(content_length);
+					let message =
+						format!("extracting: {extracted:#} of {content_length:#} {percent:.2}%\n");
+					let arg = tg::build::log::post::Arg {
+						bytes: message.into(),
+						remote: remote.clone(),
+					};
+					let result = build.add_log(&server, arg).await;
+					if result.is_err() {
+						break;
+					}
+					tokio::time::sleep(Duration::from_secs(1)).await;
+				}
+			}
+		});
+		let log_task_abort_handle = log_task.abort_handle();
+		scopeguard::defer! {
+			log_task_abort_handle.abort();
+		};
 
 		// Create a temporary path.
 		let tmp = Tmp::new(server);
@@ -77,6 +111,16 @@ impl Runtime {
 		.await
 		.unwrap()?;
 
+		log_task.abort();
+
+		// Log that the extraction finished.
+		let message = format!("finished extracting\n");
+		let arg = tg::build::log::post::Arg {
+			bytes: message.into(),
+			remote: remote.clone(),
+		};
+		build.add_log(server, arg).await.ok();
+
 		// Check in the extracted artifact.
 		let arg = tg::artifact::checkin::Arg {
 			destructive: true,