diff --git a/package.json b/package.json
index 50a9609..147b279 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "@elastic/elasticsearch": "^9.0.0",
-    "@modelcontextprotocol/sdk": "1.11.2"
+    "@modelcontextprotocol/sdk": "1.12.1"
   },
   "engines": {
     "node": ">=18"
diff --git a/yarn.lock b/yarn.lock
index 5a2cffd..9a01f05 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -24,14 +24,15 @@
     tslib "^2.8.1"
     undici "^7.2.3"
 
-"@modelcontextprotocol/sdk@1.11.2":
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/@modelcontextprotocol/sdk/-/sdk-1.11.2.tgz#d81784c140d1a9cc937f61af9f071d8b78befe30"
-  integrity sha512-H9vwztj5OAqHg9GockCQC06k1natgcxWQSRpQcPJf6i5+MWBzfKkRtxGbjQf0X2ihii0ffLZCRGbYV2f2bjNCQ==
+"@modelcontextprotocol/sdk@1.12.1":
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/@modelcontextprotocol/sdk/-/sdk-1.12.1.tgz#f77503f0263b33cb1e5b81a6ff0c322393cabd37"
+  integrity sha512-KG1CZhZfWg+u8pxeM/mByJDScJSrjjxLc8fwQqbsS8xCjBmQfMNEBTotYdNanKekepnfRI85GtgQlctLFpcYPw==
   dependencies:
+    ajv "^6.12.6"
     content-type "^1.0.5"
     cors "^2.8.5"
-    cross-spawn "^7.0.3"
+    cross-spawn "^7.0.5"
     eventsource "^3.0.2"
     express "^5.0.1"
     express-rate-limit "^7.5.0"
@@ -110,6 +111,16 @@ accepts@^2.0.0:
     mime-types "^3.0.0"
     negotiator "^1.0.0"
 
+ajv@^6.12.6:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
@@ -324,7 +335,7 @@ cross-spawn@^6.0.0:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cross-spawn@^7.0.3:
+cross-spawn@^7.0.5:
   version "7.0.6"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.6.tgz#8a58fe78f00dcd70c370451759dfbfaf03e8ee9f"
   integrity sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==
@@ -510,6 +521,11 @@ express@^5.0.1:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
+
 fast-glob@^3.3.2:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.3.3.tgz#d06d585ce8dba90a16b0505c543c3ccfb3aeb818"
@@ -521,6 +537,11 @@ fast-glob@^3.3.2:
     merge2 "^1.3.0"
     micromatch "^4.0.8"
 
+fast-json-stable-stringify@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+  integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
+
 fastq@^1.6.0:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.19.1.tgz#d50eaba803c8846a883c16492821ebcd2cda55f5"
@@ -771,6 +792,11 @@ json-parse-even-better-errors@^2.3.0:
   resolved "https://registry.yarnpkg.com/json-parse-even-better-errors/-/json-parse-even-better-errors-2.3.1.tgz#7c47805a94319928e05777405dc12e1f7a4ee02d"
   integrity sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==
 
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+  integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
+
 license-checker@25.0.1:
   version "25.0.1"
   resolved "https://registry.yarnpkg.com/license-checker/-/license-checker-25.0.1.tgz#4d14504478a5240a857bb3c21cd0491a00d761fa"
@@ -1021,6 +1047,11 @@ pump@^3.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+punycode@^2.1.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.3.1.tgz#027422e2faec0b25e1549c3e1bd8309b9133b6e5"
+  integrity sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==
+
 qs@6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.13.0.tgz#6ca3bd58439f7e245655798997787b0d88a51906"
@@ -1418,6 +1449,13 @@ unpipe@1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==
 
+uri-js@^4.2.2:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
+  dependencies:
+    punycode "^2.1.0"
+
 util-extend@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/util-extend/-/util-extend-1.0.3.tgz#a7c216d267545169637b3b6edc6ca9119e2ff93f"