diff --git a/Cargo.lock b/Cargo.lock
index 9866cef7..556f52af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6329,9 +6329,6 @@ dependencies = [
  "async-tungstenite 0.22.2",
  "backtrace",
  "bugsalot",
- "capnp",
- "capnp-rpc",
- "capnpc",
  "cfg-if 1.0.0",
  "clap 3.2.25",
  "color-eyre",
diff --git a/veilid-server/Cargo.toml b/veilid-server/Cargo.toml
index 977e55a1..57dd2ba1 100644
--- a/veilid-server/Cargo.toml
+++ b/veilid-server/Cargo.toml
@@ -3,7 +3,6 @@ name = "veilid-server"
 version = "0.1.0"
 authors = ["John Smith <jsmith@example.com>"]
 edition = "2021"
-build = "build.rs"
 license = "LGPL-2.0-or-later OR MPL-2.0 OR (MIT AND BSD-3-Clause)"
 
 [[bin]]
@@ -39,9 +38,7 @@ color-eyre = { version = "^0", default-features = false }
 backtrace = "^0"
 clap = "^3"
 directories = "^4"
-capnp = "^0"
 parking_lot = "^0"
-capnp-rpc = "^0"
 config = { version = "^0", features = ["yaml"] }
 cfg-if = "^1"
 serde = "^1"
@@ -73,7 +70,4 @@ nix = "^0"
 tracing-journald = "^0"
 
 [dev-dependencies]
-serial_test = "^0"
-
-[build-dependencies]
-capnpc = "^0"
+serial_test = "^0"
\ No newline at end of file
diff --git a/veilid-server/build.rs b/veilid-server/build.rs
deleted file mode 100644
index a9e4db80..00000000
--- a/veilid-server/build.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-fn main() {
-    ::capnpc::CompilerCommand::new()
-        .file("proto/veilid-client.capnp")
-        .run()
-        .expect("compiling schema");
-}
diff --git a/veilid-server/proto/veilid-client.capnp b/veilid-server/proto/veilid-client.capnp
deleted file mode 100644
index 469a3b09..00000000
--- a/veilid-server/proto/veilid-client.capnp
+++ /dev/null
@@ -1,25 +0,0 @@
-@0xd29582d26b2fb073;
-
-struct ApiResult @0x8111724bdb812929 {
-    union {
-        ok                  @0  :Text;
-        err                 @1  :Text;
-    }
-}
-
-interface Registration @0xdd45f30a7c22e391 {}
-
-interface VeilidServer @0xcb2c699f14537f94 {
-    register @0 (veilidClient :VeilidClient) -> (registration :Registration, state :Text, settings :Text);
-    debug @1 (command :Text) -> (result :ApiResult);
-    attach @2 () -> (result :ApiResult);
-    detach @3 () -> (result :ApiResult);
-    shutdown @4 ();
-    getState @5 () -> (result :ApiResult);
-    changeLogLevel @6 (layer :Text, logLevel :Text) -> (result :ApiResult);
-    appCallReply @7 (id :UInt64, message :Data) -> (result :ApiResult);
-}
-
-interface VeilidClient @0xbfcea60fb2ba4736 {
-    update @0 (veilidUpdate :Text);
-}
\ No newline at end of file
diff --git a/veilid-server/src/client_api.rs b/veilid-server/src/client_api.rs
index 269dce3a..b3bc15cc 100644
--- a/veilid-server/src/client_api.rs
+++ b/veilid-server/src/client_api.rs
@@ -2,8 +2,6 @@ use crate::settings::*;
 use crate::tools::*;
 use crate::veilid_client_capnp::*;
 use crate::veilid_logs::VeilidLogs;
-use capnp::capability::Promise;
-use capnp_rpc::{pry, rpc_twoparty_capnp, twoparty, RpcSystem};
 use cfg_if::*;
 use futures_util::{future::try_join_all, FutureExt as FuturesFutureExt, StreamExt};
 use serde::*;
@@ -11,267 +9,72 @@ use std::cell::RefCell;
 use std::collections::HashMap;
 use std::fmt;
 use std::net::SocketAddr;
-use std::rc::Rc;
 use stop_token::future::FutureExt;
 use stop_token::*;
 use tracing::*;
 use veilid_core::*;
 
-// Encoding for ApiResult
-fn encode_api_result<T: Serialize + fmt::Debug>(
-    result: &VeilidAPIResult<T>,
-    builder: &mut api_result::Builder,
-) {
-    match result {
-        Ok(v) => {
-            builder.set_ok(&serialize_json(v));
-        }
-        Err(e) => {
-            builder.set_err(&serialize_json(e));
-        }
-    }
-}
+// struct VeilidServerImpl {
+//     veilid_api: veilid_core::VeilidAPI,
+//     veilid_logs: VeilidLogs,
+//     settings: Settings,
+//     next_id: u64,
+// }
 
-// --- interface Registration ---------------------------------
+// impl VeilidServerImpl {
+//     #[instrument(level = "trace", skip_all)]
+//     pub fn new(
+//         veilid_api: veilid_core::VeilidAPI,
+//         veilid_logs: VeilidLogs,
+//         settings: Settings,
+//     ) -> Self {
+//         Self {
+//             next_id: 0,
+//             veilid_api,
+//             veilid_logs,
+//             settings,
+//         }
+//     }
 
-struct RegistrationHandle {
-    client: veilid_client::Client,
-    requests_in_flight: i32,
-}
+//     #[instrument(level = "trace", skip_all)]
+//     fn shutdown(
+//         &mut self,
+//         _params: veilid_server::ShutdownParams,
+//         mut _results: veilid_server::ShutdownResults,
+//     ) -> Promise<(), ::capnp::Error> {
+//         trace!("VeilidServerImpl::shutdown");
 
-struct RegistrationMap {
-    registrations: HashMap<u64, RegistrationHandle>,
-}
+//         cfg_if::cfg_if! {
+//             if #[cfg(windows)] {
+//                 assert!(false, "write me!");
+//             }
+//             else {
+//                 crate::server::shutdown();
+//             }
+//         }
 
-impl RegistrationMap {
-    fn new() -> Self {
-        Self {
-            registrations: HashMap::new(),
-        }
-    }
-}
+//         Promise::ok(())
+//     }
 
-struct RegistrationImpl {
-    id: u64,
-    registration_map: Rc<RefCell<RegistrationMap>>,
-}
+//     #[instrument(level = "trace", skip_all)]
+//     fn change_log_level(
+//         &mut self,
+//         params: veilid_server::ChangeLogLevelParams,
+//         mut results: veilid_server::ChangeLogLevelResults,
+//     ) -> Promise<(), ::capnp::Error> {
+//         trace!("VeilidServerImpl::change_log_level");
 
-impl RegistrationImpl {
-    fn new(id: u64, registrations: Rc<RefCell<RegistrationMap>>) -> Self {
-        Self {
-            id,
-            registration_map: registrations,
-        }
-    }
-}
+//         let layer = pry!(pry!(params.get()).get_layer()).to_owned();
+//         let log_level_json = pry!(pry!(params.get()).get_log_level()).to_owned();
+//         let log_level: veilid_core::VeilidConfigLogLevel =
+//             pry!(veilid_core::deserialize_json(&log_level_json)
+//                 .map_err(|e| ::capnp::Error::failed(format!("{:?}", e))));
 
-impl Drop for RegistrationImpl {
-    fn drop(&mut self) {
-        debug!("Registration dropped");
-        self.registration_map
-            .borrow_mut()
-            .registrations
-            .remove(&self.id);
-    }
-}
-
-impl registration::Server for RegistrationImpl {}
-
-// --- interface VeilidServer ---------------------------------
-
-struct VeilidServerImpl {
-    veilid_api: veilid_core::VeilidAPI,
-    veilid_logs: VeilidLogs,
-    settings: Settings,
-    next_id: u64,
-    pub registration_map: Rc<RefCell<RegistrationMap>>,
-}
-
-impl VeilidServerImpl {
-    #[instrument(level = "trace", skip_all)]
-    pub fn new(
-        veilid_api: veilid_core::VeilidAPI,
-        veilid_logs: VeilidLogs,
-        settings: Settings,
-    ) -> Self {
-        Self {
-            next_id: 0,
-            registration_map: Rc::new(RefCell::new(RegistrationMap::new())),
-            veilid_api,
-            veilid_logs,
-            settings,
-        }
-    }
-}
-
-impl veilid_server::Server for VeilidServerImpl {
-    #[instrument(level = "trace", skip_all)]
-    fn register(
-        &mut self,
-        params: veilid_server::RegisterParams,
-        mut results: veilid_server::RegisterResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::register");
-
-        self.registration_map.borrow_mut().registrations.insert(
-            self.next_id,
-            RegistrationHandle {
-                client: pry!(pry!(params.get()).get_veilid_client()),
-                requests_in_flight: 0,
-            },
-        );
-
-        let veilid_api = self.veilid_api.clone();
-        let settings = self.settings.clone();
-        let registration = capnp_rpc::new_client(RegistrationImpl::new(
-            self.next_id,
-            self.registration_map.clone(),
-        ));
-        self.next_id += 1;
-
-        Promise::from_future(async move {
-            let state = veilid_api
-                .get_state()
-                .await
-                .map_err(|e| ::capnp::Error::failed(format!("{:?}", e)))?;
-            let state = serialize_json(state);
-
-            let mut res = results.get();
-            res.set_registration(registration);
-            res.set_state(&state);
-
-            let settings = &*settings.read();
-            let settings_json_string = serialize_json(settings);
-            let mut settings_json = json::parse(&settings_json_string)
-                .map_err(|e| ::capnp::Error::failed(format!("{:?}", e)))?;
-            settings_json["core"]["network"].remove("node_id_secret");
-            let safe_settings_json = settings_json.to_string();
-            res.set_settings(&safe_settings_json);
-
-            Ok(())
-        })
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn debug(
-        &mut self,
-        params: veilid_server::DebugParams,
-        mut results: veilid_server::DebugResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::debug");
-        let veilid_api = self.veilid_api.clone();
-        let command = pry!(pry!(params.get()).get_command()).to_owned();
-
-        Promise::from_future(async move {
-            let result = veilid_api.debug(command).await;
-            encode_api_result(&result, &mut results.get().init_result());
-            Ok(())
-        })
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn attach(
-        &mut self,
-        _params: veilid_server::AttachParams,
-        mut results: veilid_server::AttachResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::attach");
-        let veilid_api = self.veilid_api.clone();
-        Promise::from_future(async move {
-            let result = veilid_api.attach().await;
-            encode_api_result(&result, &mut results.get().init_result());
-            Ok(())
-        })
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn detach(
-        &mut self,
-        _params: veilid_server::DetachParams,
-        mut results: veilid_server::DetachResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::detach");
-        let veilid_api = self.veilid_api.clone();
-        Promise::from_future(async move {
-            let result = veilid_api.detach().await;
-            encode_api_result(&result, &mut results.get().init_result());
-            Ok(())
-        })
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn shutdown(
-        &mut self,
-        _params: veilid_server::ShutdownParams,
-        mut _results: veilid_server::ShutdownResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::shutdown");
-
-        cfg_if::cfg_if! {
-            if #[cfg(windows)] {
-                assert!(false, "write me!");
-            }
-            else {
-                crate::server::shutdown();
-            }
-        }
-
-        Promise::ok(())
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn get_state(
-        &mut self,
-        _params: veilid_server::GetStateParams,
-        mut results: veilid_server::GetStateResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::get_state");
-        let veilid_api = self.veilid_api.clone();
-        Promise::from_future(async move {
-            let result = veilid_api.get_state().await;
-            encode_api_result(&result, &mut results.get().init_result());
-            Ok(())
-        })
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn change_log_level(
-        &mut self,
-        params: veilid_server::ChangeLogLevelParams,
-        mut results: veilid_server::ChangeLogLevelResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::change_log_level");
-
-        let layer = pry!(pry!(params.get()).get_layer()).to_owned();
-        let log_level_json = pry!(pry!(params.get()).get_log_level()).to_owned();
-        let log_level: veilid_core::VeilidConfigLogLevel =
-            pry!(veilid_core::deserialize_json(&log_level_json)
-                .map_err(|e| ::capnp::Error::failed(format!("{:?}", e))));
-
-        let result = self.veilid_logs.change_log_level(layer, log_level);
-        encode_api_result(&result, &mut results.get().init_result());
-        Promise::ok(())
-    }
-
-    #[instrument(level = "trace", skip_all)]
-    fn app_call_reply(
-        &mut self,
-        params: veilid_server::AppCallReplyParams,
-        mut results: veilid_server::AppCallReplyResults,
-    ) -> Promise<(), ::capnp::Error> {
-        trace!("VeilidServerImpl::app_call_reply");
-
-        let id = OperationId::new(pry!(params.get()).get_id());
-        let message = pry!(pry!(params.get()).get_message()).to_owned();
-
-        let veilid_api = self.veilid_api.clone();
-        Promise::from_future(async move {
-            let result = veilid_api.app_call_reply(id, message).await;
-            encode_api_result(&result, &mut results.get().init_result());
-            Ok(())
-        })
-    }
-}
+//         let result = self.veilid_logs.change_log_level(layer, log_level);
+//         encode_api_result(&result, &mut results.get().init_result());
+//         Promise::ok(())
+//     }
+// }
 
 // --- Client API Server-Side ---------------------------------
 
@@ -282,13 +85,12 @@ struct ClientApiInner {
     veilid_api: veilid_core::VeilidAPI,
     veilid_logs: VeilidLogs,
     settings: Settings,
-    registration_map: Rc<RefCell<RegistrationMap>>,
     stop: Option<StopSource>,
     join_handle: Option<ClientApiAllFuturesJoinHandle>,
 }
 
 pub struct ClientApi {
-    inner: RefCell<ClientApiInner>,
+    inner: Arc<Mutex<ClientApiInner>>,
 }
 
 impl ClientApi {
@@ -303,7 +105,6 @@ impl ClientApi {
                 veilid_api,
                 veilid_logs,
                 settings,
-                registration_map: Rc::new(RefCell::new(RegistrationMap::new())),
                 stop: Some(StopSource::new()),
                 join_handle: None,
             }),
@@ -329,11 +130,10 @@ impl ClientApi {
         trace!("ClientApi::stop: stopped");
     }
 
-    #[instrument(level = "trace", skip(self, client), err)]
+    #[instrument(level = "trace", skip(self), err)]
     async fn handle_incoming(
-        self: Rc<Self>,
+        self,
         bind_addr: SocketAddr,
-        client: veilid_server::Client,
     ) -> Result<(), Box<dyn std::error::Error>> {
         let listener = TcpListener::bind(bind_addr).await?;
         debug!("Client API listening on: {:?}", bind_addr);
@@ -347,7 +147,7 @@ impl ClientApi {
             }
         }
 
-        let stop_token = self.inner.borrow().stop.as_ref().unwrap().token();
+        let stop_token = self.inner.lock().stop.as_ref().unwrap().token();
         let incoming_loop = async move {
             while let Ok(Some(stream_result)) =
                 incoming_stream.next().timeout_at(stop_token.clone()).await
@@ -365,15 +165,8 @@ impl ClientApi {
                         let writer = writer.compat_write();
                     }
                 }
-                let network = twoparty::VatNetwork::new(
-                    reader,
-                    writer,
-                    rpc_twoparty_capnp::Side::Server,
-                    Default::default(),
-                );
-
-                let rpc_system = RpcSystem::new(Box::new(network), Some(client.clone().client));
 
+                xxx spawn json_api handler
                 spawn_local(rpc_system.map(drop));
             }
             Ok::<(), Box<dyn std::error::Error>>(())
@@ -382,44 +175,6 @@ impl ClientApi {
         incoming_loop.await
     }
 
-    #[instrument(level = "trace", skip_all)]
-    fn send_request_to_all_clients<F, T>(self: Rc<Self>, request: F)
-    where
-        F: Fn(u64, &mut RegistrationHandle) -> Option<::capnp::capability::RemotePromise<T>>,
-        T: capnp::traits::Pipelined + capnp::traits::Owned + 'static + Unpin,
-    {
-        // Send status update to each registered client
-        let registration_map = self.inner.borrow().registration_map.clone();
-        let registration_map1 = registration_map.clone();
-        let regs = &mut registration_map.borrow_mut().registrations;
-        for (&id, mut registration) in regs.iter_mut() {
-            if registration.requests_in_flight >= 256 {
-                println!(
-                    "too many requests in flight: {}",
-                    registration.requests_in_flight
-                );
-            }
-            registration.requests_in_flight += 1;
-
-            if let Some(request_promise) = request(id, registration) {
-                let registration_map2 = registration_map1.clone();
-                spawn_local(request_promise.promise.map(move |r| match r {
-                    Ok(_) => {
-                        if let Some(ref mut s) =
-                            registration_map2.borrow_mut().registrations.get_mut(&id)
-                        {
-                            s.requests_in_flight -= 1;
-                        }
-                    }
-                    Err(e) => {
-                        println!("Got error: {:?}. Dropping registation.", e);
-                        registration_map2.borrow_mut().registrations.remove(&id);
-                    }
-                }));
-            }
-        }
-    }
-
     #[instrument(level = "trace", skip(self))]
     pub fn handle_update(self: Rc<Self>, veilid_update: veilid_core::VeilidUpdate) {
         // serialize update
@@ -444,21 +199,10 @@ impl ClientApi {
     }
 
     #[instrument(level = "trace", skip(self))]
-    pub fn run(self: Rc<Self>, bind_addrs: Vec<SocketAddr>) {
-        // Create client api VeilidServer
-        let veilid_server_impl = VeilidServerImpl::new(
-            self.inner.borrow().veilid_api.clone(),
-            self.inner.borrow().veilid_logs.clone(),
-            self.inner.borrow().settings.clone(),
-        );
-        self.inner.borrow_mut().registration_map = veilid_server_impl.registration_map.clone();
-
-        // Make a client object for the server to send to each rpc client
-        let client: veilid_server::Client = capnp_rpc::new_client(veilid_server_impl);
-
+    pub fn run(&self, bind_addrs: Vec<SocketAddr>) {
         let bind_futures = bind_addrs
             .iter()
-            .map(|addr| self.clone().handle_incoming(*addr, client.clone()));
+            .map(|addr| self.clone().handle_incoming(*addr));
         let bind_futures_join = try_join_all(bind_futures);
         self.inner.borrow_mut().join_handle = Some(spawn_local(bind_futures_join));
     }
diff --git a/veilid-server/src/main.rs b/veilid-server/src/main.rs
index 31a60cc3..b228a68e 100644
--- a/veilid-server/src/main.rs
+++ b/veilid-server/src/main.rs
@@ -24,11 +24,6 @@ use tools::*;
 use tracing::*;
 use veilid_logs::*;
 
-#[allow(clippy::all)]
-pub mod veilid_client_capnp {
-    include!(concat!(env!("OUT_DIR"), "/proto/veilid_client_capnp.rs"));
-}
-
 #[instrument(err)]
 fn main() -> EyreResult<()> {
     #[cfg(windows)]
@@ -76,7 +71,7 @@ fn main() -> EyreResult<()> {
     if matches.occurrences_of("emit-schema") != 0 {
         if let Some(esstr) = matches.value_of("emit-schema") {
             let mut schemas = HashMap::<String, String>::new();
-            veilid_core::emit_schemas(&mut schemas);
+            veilid_core::json_api::emit_schemas(&mut schemas);
 
             if let Some(schema) = schemas.get(esstr) {
                 println!("{}", schema);