diff --git a/ext/mcp/Cargo.lock b/ext/mcp/Cargo.lock
index c766a73..4e5a626 100644
--- a/ext/mcp/Cargo.lock
+++ b/ext/mcp/Cargo.lock
@@ -43,12 +43,6 @@ dependencies = [
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- "tracing",
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 [[package]]
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@@ -805,12 +226,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -820,32 +237,6 @@ dependencies = [
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- "wasm-bindgen-futures",
-]
-
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- "rustls-platform-verifier",
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- "serde_json",
- "thiserror",
- "tokio",
- "tower",
- "tracing",
- "url",
 ]
 
 [[package]]
@@ -860,30 +251,6 @@ dependencies = [
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 ]
 
-[[package]]
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@@ -912,12 +279,6 @@ dependencies = [
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-
 [[package]]
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@@ -973,30 +334,13 @@ dependencies = [
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-[[package]]
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- "tokio",
- "tracing",
- "url",
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-
 [[package]]
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@@ -1026,7 +370,7 @@ checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
 dependencies = [
  "libc",
  "wasi",
- "windows-sys 0.52.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1049,34 +393,6 @@ dependencies = [
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 ]
 
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 [[package]]
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@@ -1092,12 +408,6 @@ version = "1.21.1"
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 checksum = "d75b0bedcc4fe52caa0e03d9f1151a323e4aa5e2d78ba3580400cd3c9e2bc4bc"
 
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@@ -1127,12 +437,6 @@ dependencies = [
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-
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@@ -1165,15 +469,6 @@ version = "0.1.0"
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-dependencies = [
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@@ -1192,36 +487,6 @@ dependencies = [
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 ]
 
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@@ -1305,20 +570,6 @@ version = "0.8.5"
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@@ -1337,153 +588,18 @@ version = "2.1.1"
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-
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@@ -1522,17 +638,6 @@ dependencies = [
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 ]
 
-[[package]]
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-
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@@ -1563,15 +668,6 @@ dependencies = [
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 [[package]]
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@@ -1585,36 +681,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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- "windows-sys 0.52.0",
+ "windows-sys",
 ]
 
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- "sha1",
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-
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-
 [[package]]
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@@ -1626,17 +695,6 @@ dependencies = [
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 ]
 
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 [[package]]
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@@ -1667,16 +725,6 @@ dependencies = [
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 ]
 
-[[package]]
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-
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@@ -1684,7 +732,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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- "bytes 1.10.1",
+ "bytes",
  "libc",
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@@ -1692,18 +740,7 @@ dependencies = [
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- "windows-sys 0.52.0",
-]
-
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-dependencies = [
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- "futures 0.1.31",
- "log",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1717,26 +754,6 @@ dependencies = [
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 ]
 
-[[package]]
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@@ -1748,54 +765,12 @@ dependencies = [
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 ]
 
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- "pin-project-lite",
- "tower-layer",
- "tower-service",
- "tracing",
-]
-
-[[package]]
-name = "tower-layer"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
-
-[[package]]
-name = "tower-service"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
-
 [[package]]
 name = "tracing"
 version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
 dependencies = [
- "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -1851,181 +826,24 @@ dependencies = [
  "tracing-log",
 ]
 
-[[package]]
-name = "try-lock"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
-
-[[package]]
-name = "typenum"
-version = "1.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
-[[package]]
-name = "untrusted"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
-
-[[package]]
-name = "url"
-version = "2.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32f8b686cadd1473f4bd0117a5d28d36b1ade384ea9b5069a1c40aefed7fda60"
-dependencies = [
- "form_urlencoded",
- "idna",
- "percent-encoding",
- "serde",
-]
-
-[[package]]
-name = "utf16_iter"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8232dd3cdaed5356e0f716d285e4b40b932ac434100fe9b7e0e8e935b9e6246"
-
-[[package]]
-name = "utf8_iter"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
-
 [[package]]
 name = "valuable"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
 
-[[package]]
-name = "version_check"
-version = "0.9.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
-
-[[package]]
-name = "walkdir"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
-dependencies = [
- "same-file",
- "winapi-util",
-]
-
-[[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 = "wasm-bindgen"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
-dependencies = [
- "cfg-if",
- "once_cell",
- "rustversion",
- "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
-dependencies = [
- "bumpalo",
- "log",
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-futures"
-version = "0.4.50"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "555d470ec0bc3bb57890405e5d4322cc9ea83cebb085523ced7be4144dac1e61"
-dependencies = [
- "cfg-if",
- "js-sys",
- "once_cell",
- "wasm-bindgen",
- "web-sys",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
-dependencies = [
- "unicode-ident",
-]
-
-[[package]]
-name = "web-sys"
-version = "0.3.77"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "webpki-roots"
-version = "0.26.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2210b291f7ea53617fbafcc4939f10914214ec15aace5ba62293a668f322c5c9"
-dependencies = [
- "rustls-pki-types",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2042,15 +860,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
-dependencies = [
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -2066,15 +875,6 @@ 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"
@@ -2138,109 +938,3 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
-
-[[package]]
-name = "write16"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1890f4022759daae28ed4fe62859b1236caebfc61ede2f63ed4e695f3f6d936"
-
-[[package]]
-name = "writeable"
-version = "0.5.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
-
-[[package]]
-name = "yoke"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "120e6aef9aa629e3d4f52dc8cc43a015c7724194c97dfaf45180d2daf2b77f40"
-dependencies = [
- "serde",
- "stable_deref_trait",
- "yoke-derive",
- "zerofrom",
-]
-
-[[package]]
-name = "yoke-derive"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2380878cad4ac9aac1e2435f3eb4020e8374b5f13c296cb75b4620ff8e229154"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
-[[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",
-]
-
-[[package]]
-name = "zerofrom"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
-dependencies = [
- "zerofrom-derive",
-]
-
-[[package]]
-name = "zerofrom-derive"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
-[[package]]
-name = "zeroize"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
-
-[[package]]
-name = "zerovec"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa2b893d79df23bfb12d5461018d408ea19dfafe76c2c7ef6d4eba614f8ff079"
-dependencies = [
- "yoke",
- "zerofrom",
- "zerovec-derive",
-]
-
-[[package]]
-name = "zerovec-derive"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
diff --git a/ext/mcp/Cargo.toml b/ext/mcp/Cargo.toml
index 31a8f2e..3d6870c 100644
--- a/ext/mcp/Cargo.toml
+++ b/ext/mcp/Cargo.toml
@@ -11,13 +11,11 @@ path = "src/internal-test.rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-jsonrpsee = { version = "0.24.8", features = ["client", "tracing"] }
+jsonrpsee = { version = "0.24.8", features = ["async-client", "client-core", "tracing"] }
 magnus = "0.7"
-mcp-sdk = "0.0.3"
 tokio = { version = "1.44.1", features = ["full"] }
 anyhow = "1.0.97"
 tracing = "0.1.41"
-tokio-stdin-stdout = "0.1.5"
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
 tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
diff --git a/ext/mcp/src/lib.rs b/ext/mcp/src/lib.rs
index 7b13f88..3be93c3 100644
--- a/ext/mcp/src/lib.rs
+++ b/ext/mcp/src/lib.rs
@@ -1,5 +1,3 @@
-mod mcp_client;
-
 use magnus::{function, Error, Ruby};
 
 fn distance(a: (f64, f64), b: (f64, f64)) -> f64 {
diff --git a/ext/mcp/src/mcp_client.rs b/ext/mcp/src/mcp_client.rs
deleted file mode 100644
index 6eb690f..0000000
--- a/ext/mcp/src/mcp_client.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-use std::time::Duration;
-use mcp_sdk::client::ClientBuilder;
-use mcp_sdk::protocol::RequestOptions;
-use mcp_sdk::transport::Transport;
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_a() {
-    let transport = mcp_sdk::transport::ClientStdioTransport::new(
-        "/Users/joshuacoles/.local/bin/mcp-server-fetch",
-        &[],
-    ).unwrap();
-
-    transport.open().unwrap();
-
-    let client = ClientBuilder::new(transport).build();
-    let client_clone = client.clone();
-
-    let a = tokio::spawn(async move { client_clone.start().await });
-    let response = client
-        .request(
-            "echo",
-            None,
-            RequestOptions::default().timeout(Duration::from_secs(1)),
-        )
-        .await.unwrap();
-
-    println!("{:?}", response);
-
-    a.abort();
-}