diff --git a/mcp-client-rust/Cargo.lock b/mcp-client-rust/Cargo.lock
index 88d5062..797bad2 100644
--- a/mcp-client-rust/Cargo.lock
+++ b/mcp-client-rust/Cargo.lock
@@ -41,6 +41,17 @@ version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -150,8 +161,18 @@ version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9cdf337090841a411e2a7f3deb9187445851f91b309c0c0a29e05f74a00a48c0"
 dependencies = [
- "darling_core",
- "darling_macro",
+ "darling_core 0.21.3",
+ "darling_macro 0.21.3",
+]
+
+[[package]]
+name = "darling"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25ae13da2f202d56bd7f91c25fba009e7717a1e4a1cc98a76d844b65ae912e9d"
+dependencies = [
+ "darling_core 0.23.0",
+ "darling_macro 0.23.0",
 ]
 
 [[package]]
@@ -168,13 +189,37 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "darling_core"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9865a50f7c335f53564bb694ef660825eb8610e0a53d3e11bf1b0d3df31e03b0"
+dependencies = [
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
 [[package]]
 name = "darling_macro"
 version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
 dependencies = [
- "darling_core",
+ "darling_core 0.21.3",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
+dependencies = [
+ "darling_core 0.23.0",
  "quote",
  "syn",
 ]
@@ -650,7 +695,7 @@ dependencies = [
  "js-sys",
  "log",
  "wasm-bindgen",
- "windows-core 0.62.2",
+ "windows-core",
 ]
 
 [[package]]
@@ -849,9 +894,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.177"
+version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "linux-raw-sys"
@@ -967,9 +1012,9 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.30.1"
+version = "0.31.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6"
+checksum = "5d6d0705320c1e6ba1d912b5e37cf18071b6c2e9b7fa8215a1e8a7651966f5d3"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -1093,10 +1138,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "paste"
-version = "1.0.15"
+name = "pastey"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+checksum = "c5a797f0e07bdf071d15742978fc3128ec6c22891c31a3a931513263904c982a"
 
 [[package]]
 name = "percent-encoding"
@@ -1157,9 +1202,9 @@ dependencies = [
 
 [[package]]
 name = "process-wrap"
-version = "8.2.1"
+version = "9.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3ef4f2f0422f23a82ec9f628ea2acd12871c81a9362b02c43c1aa86acfc3ba1"
+checksum = "2e842efad9119158434d193c6682e2ebee4b44d6ad801d7b349623b3f57cdf55"
 dependencies = [
  "futures",
  "indexmap 2.11.4",
@@ -1393,14 +1438,15 @@ dependencies = [
 
 [[package]]
 name = "rmcp"
-version = "0.8.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f35acda8f89fca5fd8c96cae3c6d5b4c38ea0072df4c8030915f3b5ff469c1c"
+checksum = "f542f74cf247da16f19bbc87e298cd201e912314f4083e88cdd671f44f5fcb53"
 dependencies = [
+ "async-trait",
  "base64",
  "chrono",
  "futures",
- "paste",
+ "pastey",
  "pin-project-lite",
  "process-wrap",
  "rmcp-macros",
@@ -1416,11 +1462,11 @@ dependencies = [
 
 [[package]]
 name = "rmcp-macros"
-version = "0.8.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9f1d5220aaa23b79c3d02e18f7a554403b3ccea544bbb6c69d6bcb3e854a274"
+checksum = "7caa6743cc0888e433105fe1bc551a7f607940b126a37bc97b478e86064627eb"
 dependencies = [
- "darling",
+ "darling 0.23.0",
  "proc-macro2",
  "quote",
  "serde_json",
@@ -1666,7 +1712,7 @@ version = "3.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7e6c180db0816026a61afa1cff5344fb7ebded7e4d3062772179f2501481c27"
 dependencies = [
- "darling",
+ "darling 0.21.3",
  "proc-macro2",
  "quote",
  "syn",
@@ -2301,37 +2347,23 @@ dependencies = [
 
 [[package]]
 name = "windows"
-version = "0.61.3"
+version = "0.62.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9babd3a767a4c1aef6900409f85f5d53ce2544ccdfaa86dad48c91782c6d6893"
+checksum = "527fadee13e0c05939a6a05d5bd6eec6cd2e3dbd648b9f8e447c6518133d8580"
 dependencies = [
  "windows-collections",
- "windows-core 0.61.2",
+ "windows-core",
  "windows-future",
- "windows-link 0.1.3",
  "windows-numerics",
 ]
 
 [[package]]
 name = "windows-collections"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3beeceb5e5cfd9eb1d76b381630e82c4241ccd0d27f1a39ed41b2760b255c5e8"
-dependencies = [
- "windows-core 0.61.2",
-]
-
-[[package]]
-name = "windows-core"
-version = "0.61.2"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0fdd3ddb90610c7638aa2b3a3ab2904fb9e5cdbecc643ddb3647212781c4ae3"
+checksum = "23b2d95af1a8a14a3c7367e1ed4fc9c20e0a26e79551b1454d72583c97cc6610"
 dependencies = [
- "windows-implement",
- "windows-interface",
- "windows-link 0.1.3",
- "windows-result 0.3.4",
- "windows-strings 0.4.2",
+ "windows-core",
 ]
 
 [[package]]
@@ -2349,12 +2381,12 @@ dependencies = [
 
 [[package]]
 name = "windows-future"
-version = "0.2.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc6a41e98427b19fe4b73c550f060b59fa592d7d686537eebf9385621bfbad8e"
+checksum = "e1d6f90251fe18a279739e78025bd6ddc52a7e22f921070ccdc67dde84c605cb"
 dependencies = [
- "windows-core 0.61.2",
- "windows-link 0.1.3",
+ "windows-core",
+ "windows-link 0.2.1",
  "windows-threading",
 ]
 
@@ -2394,12 +2426,12 @@ checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
 [[package]]
 name = "windows-numerics"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9150af68066c4c5c07ddc0ce30421554771e528bde427614c61038bc2c92c2b1"
+checksum = "6e2e40844ac143cdb44aead537bbf727de9b044e107a0f1220392177d15b0f26"
 dependencies = [
- "windows-core 0.61.2",
- "windows-link 0.1.3",
+ "windows-core",
+ "windows-link 0.2.1",
 ]
 
 [[package]]
@@ -2494,11 +2526,11 @@ dependencies = [
 
 [[package]]
 name = "windows-threading"
-version = "0.1.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b66463ad2e0ea3bbf808b7f1d371311c80e115c0b71d60efc142cafbcfb057a6"
+checksum = "3949bd5b99cafdf1c7ca86b43ca564028dfe27d66958f2470940f73d86d75b37"
 dependencies = [
- "windows-link 0.1.3",
+ "windows-link 0.2.1",
 ]
 
 [[package]]
diff --git a/mcp-client-rust/Cargo.toml b/mcp-client-rust/Cargo.toml
index 6b5e3e5..58602e2 100644
--- a/mcp-client-rust/Cargo.toml
+++ b/mcp-client-rust/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2024"
 [dependencies]
 anyhow = "1.0.100"
 genai = "0.4.2"
-rmcp = { version = "0.8.0", features = ["server", "client", "transport-io", "transport-child-process"] }
+rmcp = { version = "1.4.0", features = ["server", "client", "transport-io", "transport-child-process"] }
 tokio = { version = "1.47.1", features = ['full']}
 tracing = "0.1.41"
 tracing-subscriber = {version = "0.3", features = ["env-filter"]}
diff --git a/weather-server-rust/Cargo.lock b/weather-server-rust/Cargo.lock
index 2cbc9f1..ec3c24f 100644
--- a/weather-server-rust/Cargo.lock
+++ b/weather-server-rust/Cargo.lock
@@ -47,6 +47,17 @@ version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"
 
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -146,9 +157,9 @@ checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
 [[package]]
 name = "darling"
-version = "0.21.0"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a79c4acb1fd5fa3d9304be4c76e031c54d2e92d172a393e24b19a14fe8532fe9"
+checksum = "25ae13da2f202d56bd7f91c25fba009e7717a1e4a1cc98a76d844b65ae912e9d"
 dependencies = [
  "darling_core",
  "darling_macro",
@@ -156,11 +167,10 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.21.0"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74875de90daf30eb59609910b84d4d368103aaec4c924824c6799b28f77d6a1d"
+checksum = "9865a50f7c335f53564bb694ef660825eb8610e0a53d3e11bf1b0d3df31e03b0"
 dependencies = [
- "fnv",
  "ident_case",
  "proc-macro2",
  "quote",
@@ -170,9 +180,9 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.21.0"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e79f8e61677d5df9167cd85265f8e5f64b215cdea3fb55eebc3e622e44c7a146"
+checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
 dependencies = [
  "darling_core",
  "quote",
@@ -906,10 +916,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "paste"
-version = "1.0.15"
+name = "pastey"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+checksum = "c5a797f0e07bdf071d15742978fc3128ec6c22891c31a3a931513263904c982a"
 
 [[package]]
 name = "percent-encoding"
@@ -1070,14 +1080,15 @@ dependencies = [
 
 [[package]]
 name = "rmcp"
-version = "0.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b008b927a85d514699ff304be84c5084598596e6cad4a6f5bc67207715fafe5f"
+checksum = "f542f74cf247da16f19bbc87e298cd201e912314f4083e88cdd671f44f5fcb53"
 dependencies = [
+ "async-trait",
  "base64",
  "chrono",
  "futures",
- "paste",
+ "pastey",
  "pin-project-lite",
  "rmcp-macros",
  "schemars",
@@ -1091,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "rmcp-macros"
-version = "0.3.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7465280d5f73f2c5c99017a04af407b2262455a149f255ad22f2b0b29087695c"
+checksum = "7caa6743cc0888e433105fe1bc551a7f607940b126a37bc97b478e86064627eb"
 dependencies = [
  "darling",
  "proc-macro2",
diff --git a/weather-server-rust/Cargo.toml b/weather-server-rust/Cargo.toml
index 52471f1..fe94a0d 100644
--- a/weather-server-rust/Cargo.toml
+++ b/weather-server-rust/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-rmcp = { version = "0.3", features = ["server", "macros", "transport-io"] }
+rmcp = { version = "1.4", features = ["server", "macros", "transport-io"] }
 tokio = { version = "1.46", features = ["full"] }
 reqwest = { version = "0.12", features = ["json"] }
 serde = { version = "1.0", features = ["derive"] }