diff --git a/.github/workflows/Dockerfile.aarch64-unknown-linux-musl b/.github/workflows/Dockerfile.aarch64-unknown-linux-musl
index e15852c..99859c8 100644
--- a/.github/workflows/Dockerfile.aarch64-unknown-linux-musl
+++ b/.github/workflows/Dockerfile.aarch64-unknown-linux-musl
@@ -2,7 +2,7 @@ FROM ghcr.io/kentik/cross:aarch64-unknown-linux-musl
 
 ARG LIBPCAP=libpcap-1.10.0
 
-RUN apt-get update && apt-get install -y bison flex capnproto
+RUN apt-get update && apt-get install -y bison flex capnproto protobuf-compiler
 
 RUN mkdir /work && cd /work
 RUN curl -L -O https://www.tcpdump.org/release/$LIBPCAP.tar.gz
diff --git a/.github/workflows/Dockerfile.armv7-unknown-linux-musleabihf b/.github/workflows/Dockerfile.armv7-unknown-linux-musleabihf
index 1e0efe6..7c0a6f1 100644
--- a/.github/workflows/Dockerfile.armv7-unknown-linux-musleabihf
+++ b/.github/workflows/Dockerfile.armv7-unknown-linux-musleabihf
@@ -2,7 +2,7 @@ FROM ghcr.io/kentik/cross:armv7-unknown-linux-musleabihf
 
 ARG LIBPCAP=libpcap-1.10.0
 
-RUN apt-get update && apt-get install -y bison flex capnproto
+RUN apt-get update && apt-get install -y bison flex capnproto protobuf-compiler
 
 RUN mkdir /work && cd /work
 RUN curl -L -O https://www.tcpdump.org/release/$LIBPCAP.tar.gz
diff --git a/.github/workflows/Dockerfile.x86_64-unknown-freebsd b/.github/workflows/Dockerfile.x86_64-unknown-freebsd
index c9c5297..a426bd0 100644
--- a/.github/workflows/Dockerfile.x86_64-unknown-freebsd
+++ b/.github/workflows/Dockerfile.x86_64-unknown-freebsd
@@ -2,4 +2,4 @@ FROM ghcr.io/cross-rs/x86_64-unknown-freebsd:0.2.4
 
 RUN curl --retry 3 -sSfL http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/14.1-RELEASE/base.txz | tar xJvf - -C /usr/local/x86_64-unknown-freebsd12/lib --strip-components 3 ./usr/lib/libkvm.a ./usr/lib/libdevstat.a ./usr/lib/libmemstat.a
 
-RUN apt-get update && apt-get install -y capnproto
+RUN apt-get update && apt-get install -y capnproto protobuf-compiler
diff --git a/.github/workflows/Dockerfile.x86_64-unknown-linux-musl b/.github/workflows/Dockerfile.x86_64-unknown-linux-musl
index a6c1ec3..0a7d992 100644
--- a/.github/workflows/Dockerfile.x86_64-unknown-linux-musl
+++ b/.github/workflows/Dockerfile.x86_64-unknown-linux-musl
@@ -2,7 +2,7 @@ FROM ghcr.io/kentik/cross:x86_64-unknown-linux-musl
 
 ARG LIBPCAP=libpcap-1.10.0
 
-RUN apt-get update && apt-get install -y bison flex capnproto
+RUN apt-get update && apt-get install -y bison flex capnproto protobuf-compiler
 
 RUN mkdir /work && cd /work
 RUN curl -L -O https://www.tcpdump.org/release/$LIBPCAP.tar.gz
diff --git a/Cargo.lock b/Cargo.lock
index 62acef4..eab0b93 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,12 +81,98 @@ version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a27b8a3a6e1a44fa4c8baf1f653e4172e81486d4941f2237e20dc2d0cf4ddff1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
+[[package]]
+name = "axum"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f43644eed690f5374f1af436ecd6aea01cd201f6fbdf0178adaf6907afb2cec"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "itoa",
+ "matchit",
+ "memchr 2.7.4",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper 1.0.1",
+ "tower 0.5.1",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e6b8ba012a258d63c9adfa28b9ddcf66149da6f986c5b5452e629d5ee64bf00"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper 1.0.1",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backoff"
 version = "0.4.0"
@@ -202,6 +288,12 @@ dependencies = [
  "powerfmt",
 ]
 
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
 [[package]]
 name = "env_filter"
 version = "0.1.2"
@@ -225,6 +317,12 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.2.8"
@@ -256,6 +354,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "fastrand"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8c02a5121d4ea3eb16a80748c74f5549a5665e4c21333c6098f283870fbdea6"
+
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -407,6 +517,43 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "h2"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524e8ac6999421f49a846c2d4411f337e53497d8ec55d67753beffa43c5d9205"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http",
+ "indexmap 2.5.0",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -463,6 +610,12 @@ version = "1.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fcc0b4a115bf80b728eb8ea024ad5bd707b615bfed49e0665b6e0f86fd082d9"
 
+[[package]]
+name = "httpdate"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+
 [[package]]
 name = "humantime"
 version = "2.1.0"
@@ -478,9 +631,11 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
+ "h2",
  "http",
  "http-body",
  "httparse",
+ "httpdate",
  "itoa",
  "pin-project-lite",
  "smallvec",
@@ -506,6 +661,19 @@ dependencies = [
  "webpki-roots",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3203a961e5c83b6f5498933e78b6b263e208c197b63e9c6c53cc82ffd3f63793"
+dependencies = [
+ "hyper",
+ "hyper-util",
+ "pin-project-lite",
+ "tokio",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-util"
 version = "0.1.8"
@@ -521,7 +689,7 @@ dependencies = [
  "pin-project-lite",
  "socket2",
  "tokio",
- "tower",
+ "tower 0.4.13",
  "tower-service",
  "tracing",
 ]
@@ -536,6 +704,26 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.5",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.13"
@@ -566,6 +754,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.11"
@@ -610,6 +807,20 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "kagent"
+version = "0.0.1"
+dependencies = [
+ "anyhow",
+ "log",
+ "prost",
+ "prost-types",
+ "tokio",
+ "tokio-stream",
+ "tonic",
+ "tonic-build",
+]
+
 [[package]]
 name = "kentik-api"
 version = "0.0.7"
@@ -640,6 +851,7 @@ dependencies = [
  "git2",
  "http-muncher",
  "jemallocator",
+ "kagent",
  "kentik-api",
  "libc",
  "log",
@@ -694,12 +906,34 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
+[[package]]
+name = "lock_api"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "1.0.2"
@@ -742,6 +976,12 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "defc4c55412d89136f966bbb339008b474350e5e6e78d2714439c386b3137a03"
+
 [[package]]
 name = "no-std-net"
 version = "0.6.0"
@@ -787,6 +1027,29 @@ version = "1.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33ea5043e58958ee56f3e15a90aee535795cd7dfd319846288d93c5b57d85cbe"
 
+[[package]]
+name = "parking_lot"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-targets",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -814,6 +1077,16 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "petgraph"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.5.0",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.5"
@@ -964,6 +1237,16 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479cf940fbbb3426c32c5d5176f62ad57549a0bb84773423ba8be9d089f5faba"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -973,6 +1256,59 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b0487d90e047de87f984913713b85c601c05609aad5b0df4b4573fbf69aa13f"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c1318b19085f08681016926435853bbf7858f9c082d0999b80550ff5d9abe15"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "log",
+ "multimap",
+ "once_cell",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn",
+ "tempfile",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9552f850d5f0964a4e4d0bf306459ac29323ddfbae05e35a7c0d35cb0803cc5"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4759aa0d3a6232fb8dbdb97b61de2c20047c68aca932c7ed76da9d788508d670"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quinn"
 version = "0.11.5"
@@ -1060,6 +1396,15 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0884ad60e090bf1345b93da0a5de8923c93884cd03f40dfcfddd3b4bee661853"
+dependencies = [
+ "bitflags 2.6.0",
+]
+
 [[package]]
 name = "regex"
 version = "1.10.6"
@@ -1120,7 +1465,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "sync_wrapper",
+ "sync_wrapper 1.0.1",
  "tokio",
  "tokio-rustls",
  "tower-service",
@@ -1181,6 +1526,19 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
 
+[[package]]
+name = "rustix"
+version = "0.38.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
+dependencies = [
+ "bitflags 2.6.0",
+ "errno 0.3.9",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustls"
 version = "0.23.13"
@@ -1222,12 +1580,24 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
 [[package]]
 name = "serde"
 version = "1.0.210"
@@ -1287,6 +1657,15 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9e9e0b4211b72e7b8b6e85c807d36c212bdb33ea8587f7569562a84df5465b1"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1335,6 +1714,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
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+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "sync_wrapper"
 version = "1.0.1"
@@ -1344,6 +1729,19 @@ dependencies = [
  "futures-core",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04cbcdd0c794ebb0d4cf35e88edd2f7d2c4c3e9a5a6dab322839b321c6a87a64"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.63"
@@ -1408,11 +1806,25 @@ dependencies = [
  "bytes",
  "libc",
  "mio",
+ "parking_lot",
  "pin-project-lite",
+ "signal-hook-registry",
  "socket2",
+ "tokio-macros",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
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+version = "2.4.0"
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+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.26.0"
@@ -1424,6 +1836,73 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
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+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64",
+ "bytes",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-timeout",
+ "hyper-util",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "socket2",
+ "tokio",
+ "tokio-stream",
+ "tower 0.4.13",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
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+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn",
+]
+
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@@ -1432,9 +1911,28 @@ checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.3",
  "pin-project",
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+ "rand",
+ "slab",
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+ "tokio-util",
+ "tower-layer",
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+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper 0.1.2",
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  "tower-service",
 ]
@@ -1458,9 +1956,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
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+ "tracing-attributes",
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+ "quote",
+ "syn",
+]
+
 [[package]]
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 version = "0.1.32"
diff --git a/Cargo.toml b/Cargo.toml
index a9f339a..c997001 100644
--- a/Cargo.toml
+++ b/Cargo.toml
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 git = "ssh://git@github.com/kentik/kentik-api-rust"
 rev = "4772e7909d5bfcb888f3f663d9dc23a606830e51"
 
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+path = "lib/kagent"
+
 [target.'cfg(not(target_arch = "arm"))'.dependencies]
 jemallocator = "0.5.4"
 
diff --git a/lib/kagent/Cargo.lock b/lib/kagent/Cargo.lock
new file mode 100644
index 0000000..9a01c59
--- /dev/null
+++ b/lib/kagent/Cargo.lock
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
+
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/lib/kagent/Cargo.toml b/lib/kagent/Cargo.toml
new file mode 100644
index 0000000..0450024
--- /dev/null
+++ b/lib/kagent/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name    = "kagent"
+version = "0.0.1"
+edition = "2021"
+
+[dependencies]
+anyhow      = "1.0.86"
+log         = "0.4.22"
+prost       = "0.13.1"
+prost-types = "0.13.1"
+tonic       = "0.12.2"
+
+[dependencies.tokio]
+version  = "1.39.3"
+features = ["full"]
+
+[dependencies.tokio-stream]
+version  = "0.1.15"
+
+[build-dependencies]
+anyhow      = "1.0.86"
+tonic-build = "0.12.2"
diff --git a/lib/kagent/build.rs b/lib/kagent/build.rs
new file mode 100644
index 0000000..2dfd84f
--- /dev/null
+++ b/lib/kagent/build.rs
@@ -0,0 +1,10 @@
+use anyhow::Result;
+use tonic_build::configure;
+
+fn main() -> Result<()> {
+    configure()
+        .build_client(false)
+        .include_file("schema.rs")
+        .compile(&["schema/service.proto"], &["schema"])?;
+    Ok(())
+}
diff --git a/lib/kagent/schema/io/prometheus/client/metrics.proto b/lib/kagent/schema/io/prometheus/client/metrics.proto
new file mode 100644
index 0000000..3e9168e
--- /dev/null
+++ b/lib/kagent/schema/io/prometheus/client/metrics.proto
@@ -0,0 +1,157 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto2";
+
+package io.prometheus.client;
+option java_package = "io.prometheus.client";
+option go_package = "github.com/prometheus/client_model/go;io_prometheus_client";
+
+import "google/protobuf/timestamp.proto";
+
+message LabelPair {
+  optional string name  = 1;
+  optional string value = 2;
+}
+
+enum MetricType {
+  // COUNTER must use the Metric field "counter".
+  COUNTER = 0;
+  // GAUGE must use the Metric field "gauge".
+  GAUGE = 1;
+  // SUMMARY must use the Metric field "summary".
+  SUMMARY = 2;
+  // UNTYPED must use the Metric field "untyped".
+  UNTYPED = 3;
+  // HISTOGRAM must use the Metric field "histogram".
+  HISTOGRAM = 4;
+  // GAUGE_HISTOGRAM must use the Metric field "histogram".
+  GAUGE_HISTOGRAM = 5;
+}
+
+message Gauge {
+  optional double value = 1;
+}
+
+message Counter {
+  optional double   value    = 1;
+  optional Exemplar exemplar = 2;
+
+  optional google.protobuf.Timestamp  created_timestamp = 3;
+}
+
+message Quantile {
+  optional double quantile = 1;
+  optional double value    = 2;
+}
+
+message Summary {
+  optional uint64   sample_count = 1;
+  optional double   sample_sum   = 2;
+  repeated Quantile quantile     = 3;
+
+  optional google.protobuf.Timestamp  created_timestamp = 4;
+}
+
+message Untyped {
+  optional double value = 1;
+}
+
+message Histogram {
+  optional uint64 sample_count       = 1;
+  optional double sample_count_float = 4; // Overrides sample_count if > 0.
+  optional double sample_sum         = 2;
+  // Buckets for the conventional histogram.
+  repeated Bucket bucket             = 3; // Ordered in increasing order of upper_bound, +Inf bucket is optional.
+
+  optional google.protobuf.Timestamp created_timestamp = 15;
+
+  // Everything below here is for native histograms (also known as sparse histograms).
+  // Native histograms are an experimental feature without stability guarantees.
+
+  // schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
+  // They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
+  // then each power of two is divided into 2^n logarithmic buckets.
+  // Or in other words, each bucket boundary is the previous boundary times 2^(2^-n).
+  // In the future, more bucket schemas may be added using numbers < -4 or > 8.
+  optional sint32 schema           = 5;
+  optional double zero_threshold   = 6; // Breadth of the zero bucket.
+  optional uint64 zero_count       = 7; // Count in zero bucket.
+  optional double zero_count_float = 8; // Overrides sb_zero_count if > 0.
+
+  // Negative buckets for the native histogram.
+  repeated BucketSpan negative_span =  9;
+  // Use either "negative_delta" or "negative_count", the former for
+  // regular histograms with integer counts, the latter for float
+  // histograms.
+  repeated sint64 negative_delta    = 10; // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
+  repeated double negative_count    = 11; // Absolute count of each bucket.
+
+  // Positive buckets for the native histogram.
+  // Use a no-op span (offset 0, length 0) for a native histogram without any
+  // observations yet and with a zero_threshold of 0. Otherwise, it would be
+  // indistinguishable from a classic histogram.
+  repeated BucketSpan positive_span = 12;
+  // Use either "positive_delta" or "positive_count", the former for
+  // regular histograms with integer counts, the latter for float
+  // histograms.
+  repeated sint64 positive_delta    = 13; // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
+  repeated double positive_count    = 14; // Absolute count of each bucket.
+
+  // Only used for native histograms. These exemplars MUST have a timestamp.
+  repeated Exemplar exemplars = 16;
+}
+
+// A Bucket of a conventional histogram, each of which is treated as
+// an individual counter-like time series by Prometheus.
+message Bucket {
+  optional uint64   cumulative_count       = 1; // Cumulative in increasing order.
+  optional double   cumulative_count_float = 4; // Overrides cumulative_count if > 0.
+  optional double   upper_bound            = 2; // Inclusive.
+  optional Exemplar exemplar               = 3;
+}
+
+// A BucketSpan defines a number of consecutive buckets in a native
+// histogram with their offset. Logically, it would be more
+// straightforward to include the bucket counts in the Span. However,
+// the protobuf representation is more compact in the way the data is
+// structured here (with all the buckets in a single array separate
+// from the Spans).
+message BucketSpan {
+  optional sint32 offset = 1; // Gap to previous span, or starting point for 1st span (which can be negative).
+  optional uint32 length = 2; // Length of consecutive buckets.
+}
+
+message Exemplar {
+  repeated LabelPair                 label     = 1;
+  optional double                    value     = 2;
+  optional google.protobuf.Timestamp timestamp = 3; // OpenMetrics-style.
+}
+
+message Metric {
+  repeated LabelPair label        = 1;
+  optional Gauge     gauge        = 2;
+  optional Counter   counter      = 3;
+  optional Summary   summary      = 4;
+  optional Untyped   untyped      = 5;
+  optional Histogram histogram    = 7;
+  optional int64     timestamp_ms = 6;
+}
+
+message MetricFamily {
+  optional string     name   = 1;
+  optional string     help   = 2;
+  optional MetricType type   = 3;
+  repeated Metric     metric = 4;
+  optional string     unit   = 5;
+}
diff --git a/lib/kagent/schema/service.proto b/lib/kagent/schema/service.proto
new file mode 100644
index 0000000..3094de8
--- /dev/null
+++ b/lib/kagent/schema/service.proto
@@ -0,0 +1,65 @@
+syntax = "proto3";
+
+package kentik.kagent.v202312;
+
+import "io/prometheus/client/metrics.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/struct.proto";
+
+option go_package = "github.com/kentik/api-artifacts/go/kentik/kagent/v202312;kagent";
+
+// The KAgent supervisor interacts with capabilities via SupervisedService
+service SupervisedService {
+  // The agent uses this method scrap capability metrics in a regular interval.
+  rpc GatherMetrics(GatherMetricsRequest) returns (GatherMetricsResponse) {}
+
+  // The agent downloads and extracts config bundles automatically. Then it calls ReloadConfigBundle
+  // to give capabilities a chance to hot reload all settings. The capability will be restarted if
+  // this method call returns any error.
+  rpc ReloadConfigBundle(ReloadConfigBundleRequest) returns (ReloadConfigBundleResponse) {}
+
+  // The agent calls this method periodically to report capability state to agent director.
+  rpc CapabilityState(CapabilityStateRequest) returns (CapabilityStateResponse) {}
+}
+
+// A request to  hot reload config bundles
+message ReloadConfigBundleRequest {
+  // Bundles are immutable and they have a globally unique id.
+  string bundle_id = 1;
+  // The path where bundles has been extracted.
+  // It is usually at /opt/kentik/components/{capability}/conf/bundles/{bundle_id}
+  string bundle_path = 2;
+}
+
+message ReloadConfigBundleResponse {}
+
+message GatherMetricsRequest {
+}
+
+message GatherMetricsResponse {
+  repeated io.prometheus.client.MetricFamily metrics = 1;
+  // Even if an error occurs, Gather attempts to gather as many metrics as
+  // possible. Here is a list of collector errors who have failed to gather.
+  repeated string errors = 2;
+}
+
+
+message CapabilityStateRequest {}
+
+message CapabilityStateResponse {
+  CapabilityState state = 1;
+}
+
+
+message CapabilityState {
+  enum Health {
+    HEALTH_UNSPECIFIED = 0;
+    HEALTH_OK = 1;
+    HEALTH_FAILING = 2;
+    HEALTH_UNKNOWN = 3; // agent can't talk to the capability
+  }
+  Health status = 1;
+  google.protobuf.Timestamp timestamp = 2;
+  map<string,string> errors = 3;
+  google.protobuf.Struct metadata = 4;
+}
diff --git a/lib/kagent/src/lib.rs b/lib/kagent/src/lib.rs
new file mode 100644
index 0000000..75edd93
--- /dev/null
+++ b/lib/kagent/src/lib.rs
@@ -0,0 +1,5 @@
+pub use schema::SupervisedServiceServer;
+pub use service::Service;
+
+pub mod schema;
+pub mod service;
diff --git a/lib/kagent/src/schema.rs b/lib/kagent/src/schema.rs
new file mode 100644
index 0000000..3fd8153
--- /dev/null
+++ b/lib/kagent/src/schema.rs
@@ -0,0 +1,18 @@
+include!(concat!(env!("OUT_DIR"), "/schema.rs"));
+
+use tonic::{Request, Response};
+
+pub use kentik::kagent::v202312::CapabilityState;
+pub use kentik::kagent::v202312::{GatherMetricsRequest, GatherMetricsResponse};
+pub use kentik::kagent::v202312::{ReloadConfigBundleRequest, ReloadConfigBundleResponse};
+pub use kentik::kagent::v202312::{CapabilityStateRequest, CapabilityStateResponse};
+pub use kentik::kagent::v202312::capability_state::Health;
+pub use kentik::kagent::v202312::supervised_service_server::SupervisedService;
+pub use kentik::kagent::v202312::supervised_service_server::SupervisedServiceServer;
+
+pub type GatherRequest  = Request<GatherMetricsRequest>;
+pub type GatherResponse = Response<GatherMetricsResponse>;
+pub type ReloadRequest  = Request<ReloadConfigBundleRequest>;
+pub type ReloadResponse = Response<ReloadConfigBundleResponse>;
+pub type StateRequest   = Request<CapabilityStateRequest>;
+pub type StateResponse  = Response<CapabilityStateResponse>;
diff --git a/lib/kagent/src/service.rs b/lib/kagent/src/service.rs
new file mode 100644
index 0000000..c566d1a
--- /dev/null
+++ b/lib/kagent/src/service.rs
@@ -0,0 +1,64 @@
+use std::thread::{JoinHandle, spawn};
+use anyhow::Result;
+use log::{debug, error};
+use tokio::net::UnixListener;
+use tokio::runtime::Builder;
+use tokio_stream::wrappers::UnixListenerStream;
+use tonic::{Response, Status};
+use tonic::transport::Server;
+use crate::schema::{CapabilityState, CapabilityStateResponse};
+use crate::schema::{GatherRequest, GatherResponse};
+use crate::schema::{ReloadRequest, ReloadResponse};
+use crate::schema::{StateRequest, StateResponse, Health};
+use crate::schema::{SupervisedService, SupervisedServiceServer};
+
+#[derive(Clone)]
+pub struct Service;
+
+impl Service {
+    fn start(socket: String) -> Result<()> {
+        let rt = Builder::new_current_thread().enable_all().build()?;
+        rt.block_on(Self::exec(socket))
+    }
+
+    async fn exec(socket: String) -> Result<()> {
+        debug!("server at {socket}");
+
+        let socket = UnixListener::bind(socket)?;
+        let stream = UnixListenerStream::new(socket);
+
+        let service = SupervisedServiceServer::new(Self);
+        let builder = Server::builder().add_service(service);
+
+        Ok(builder.serve_with_incoming(stream).await?)
+    }
+}
+
+#[tonic::async_trait]
+impl SupervisedService for Service {
+    async fn gather_metrics(&self, _: GatherRequest) -> Result<GatherResponse, Status> {
+        Ok(Response::new(Default::default()))
+    }
+
+    async fn reload_config_bundle(&self, _: ReloadRequest) -> Result<ReloadResponse, Status> {
+        Ok(Response::new(Default::default()))
+    }
+
+    async fn capability_state(&self, _: StateRequest) -> Result<StateResponse, Status> {
+        Ok(Response::new(CapabilityStateResponse {
+            state: Some(CapabilityState {
+                status: Health::Ok.into(),
+                ..Default::default()
+            })
+        }))
+    }
+}
+
+pub fn start(socket: String) -> JoinHandle<()> {
+    spawn(move || {
+        match Service::start(socket) {
+            Ok(()) => debug!("server finished"),
+            Err(e) => error!("server error: {e:?}"),
+        }
+    })
+}
diff --git a/src/bin/kprobe.rs b/src/bin/kprobe.rs
index dbfb19c..4b83989 100644
--- a/src/bin/kprobe.rs
+++ b/src/bin/kprobe.rs
@@ -1,3 +1,4 @@
+use std::env;
 use std::ffi::CStr;
 use std::process::exit;
 use anyhow::Result;
@@ -6,6 +7,7 @@ use log::{LevelFilter, debug};
 use pcap::Capture;
 use url::Url;
 use kentik_api::{dns, tag, AsyncClient, Client};
+use kagent::service::start;
 use kprobe::{Config, Kprobe};
 use kprobe::args::{arguments, Mode};
 use kprobe::fanout;
@@ -75,6 +77,10 @@ fn main() -> Result<()> {
         exit(1);
     });
 
+    if let Ok(socket) = env::var("KENTIK_SERVER_SOCKET_PATH") {
+        start(socket);
+    }
+
     let sample = match args.sample.unwrap_or(dev.sample) {
         0 | 1 => None,
         n     => Some(n),