Index: Cargo.toml
==================================================================
--- Cargo.toml
+++ Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 name = "ump-ng"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 license = "0BSD"
 # https://crates.io/category_slugs
 categories = [ "concurrency", "asynchronous" ]
 keywords = [ "channel", "threads", "sync", "message-passing" ]
@@ -35,5 +35,11 @@
 harness = false
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--generate-link-to-definition"]
 
+[lints.clippy]
+all = { level = "deny", priority = -1 }
+pedantic = { level = "warn", priority = -1 }
+nursery = { level = "warn", priority = -1 }
+cargo = { level = "warn", priority = -1 }
+

Index: bacon.toml
==================================================================
--- bacon.toml
+++ bacon.toml
@@ -7,11 +7,11 @@
 
 # For information about clippy lints, see:
 # https://github.com/rust-lang/rust-clippy/blob/master/README.md
 
 #default_job = "check"
-default_job = "clippy-all-pedantic"
+default_job = "clippy-all"
 
 [jobs.check]
 command = ["cargo", "check", "--color", "always"]
 need_stdout = false
 
@@ -44,35 +44,10 @@
 command = [
     "cargo", "clippy",
     "--all-targets",
     "--color", "always",
 ]
-need_stdout = false
-
-[jobs.clippy-pedantic]
-command = [
-    "cargo", "clippy",
-    "--color", "always",
-    "--",
-    "-Wclippy::all",
-    "-Wclippy::pedantic",
-    "-Wclippy::nursery",
-    "-Wclippy::cargo"
-]
-need_stdout = false
-
-[jobs.clippy-all-pedantic]
-command = [
-    "cargo", "clippy",
-    "--all-targets",
-    "--color", "always",
-    "--",
-    "-Wclippy::all",
-    "-Wclippy::pedantic",
-    "-Wclippy::nursery",
-    "-Wclippy::cargo"
-]
 need_stdout = false
 
 # This job lets you run
 # - all tests: bacon test
 # - a specific test: bacon test -- config::test_default_files

Index: src/client.rs
==================================================================
--- src/client.rs
+++ src/client.rs
@@ -162,10 +162,16 @@
   /// Create a weak `Client` reference.
   #[must_use]
   pub fn weak(&self) -> Weak<P, S, R, E> {
     Weak(self.0.weak())
   }
+
+  /// Create a special-purpose client that can only perform post operations.
+  #[must_use]
+  pub fn postclient(&self) -> Post<P, S, R, E> {
+    Post(self.clone())
+  }
 }
 
 impl<P, S, R, E> Clone for Client<P, S, R, E> {
   /// Clone a client.
   ///
@@ -234,6 +240,29 @@
   pub fn upgrade(&self) -> Option<Client<P, S, R, E>> {
     self.0.upgrade().map(|x| Client(x))
   }
 }
 
+
+/// Special purpose client end-point that can only issue `Post` requests.
+#[derive(Clone)]
+#[repr(transparent)]
+pub struct Post<P, S, R, E>(Client<P, S, R, E>);
+
+impl<P, S, R, E> Post<P, S, R, E>
+where
+  P: 'static + Send,
+  S: 'static + Send,
+  R: 'static + Send,
+  E: 'static + Send
+{
+  /// Transmit a uni-directional message to the server end-point.
+  ///
+  /// # Errors
+  /// [`Error::ServerDisappeared`] means the [`Server`](super::Server)
+  /// end-point has been dropped.
+  pub fn post(&self, msg: P) -> Result<(), Error<E>> {
+    self.0.post(msg)
+  }
+}
+
 // vim: set ft=rust et sw=2 ts=2 sts=2 cinoptions=2 tw=79 :

Index: src/lib.rs
==================================================================
--- src/lib.rs
+++ src/lib.rs
@@ -122,11 +122,11 @@
 mod server;
 
 pub use err::Error;
 
 pub use crate::{
-  client::{Client, WaitReply, Weak as WeakClient},
+  client::{Client, Post as PostClient, WaitReply, Weak as WeakClient},
   rctx::ReplyContext,
   server::{MsgType, Server}
 };
 
 /// Create a pair of linked [`Server`] and [`Client`] objects.

Index: www/changelog.md
==================================================================
--- www/changelog.md
+++ www/changelog.md
@@ -2,13 +2,35 @@
 
 ⚠️  indicates a breaking change.
 
 ## [Unreleased]
 
-[Details](/vdiff?from=ump-ng-0.1.0&to=trunk)
+[Details](/vdiff?from=ump-ng-0.2.1&to=trunk)
+
+### Added
+
+### Changed
+
+### Removed
+
+---
+
+## [0.2.1] - 2024-09-26
+
+[Details](/vdiff?from=ump-ng-0.2.0&to=ump-ng-0.2.1)
 
 ### Added
+
+- Add `Client::postonly()` for spawning `PostClient` objects.
+- `PostClient` is a special purpose `Client` that can only issue _post_
+  operations.
+
+---
+
+## [0.2.0] - 2024-09-10
+
+[Details](/vdiff?from=ump-ng-0.1.0&to=ump-ng-0.2.0 )
 
 ### Changed
 
 - Add some `Send` bounds to make `Future`s `Send`.
 - Update to `swctx` to `0.3.0`, allowing `ReplyContext` to detect if the