diff --git a/package.json b/package.json
index 6fd0dfe..784fece 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "build:ioc": "pnpm -F @nailyjs/ioc build",
     "build:backend": "pnpm -F @nailyjs/backend build",
     "build:rpc": "pnpm -F @nailyjs/rpc build",
+    "build:rpc-docs-protocol": "pnpm -F @nailyjs/rpc-docs-protocol build",
     "build:unplugin-rpc": "pnpm -F unplugin-rpc build",
     "play:rpc": "pnpm -F rpc-playground dev",
     "play:build": "pnpm -F rpc-playground build",
diff --git a/packages/rpc-protocol/package.json b/packages/rpc-protocol/package.json
new file mode 100644
index 0000000..280f490
--- /dev/null
+++ b/packages/rpc-protocol/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "@nailyjs/rpc-docs-protocol",
+  "type": "module",
+  "version": "1.0.14",
+  "description": "Json-RPC 2.0 protocol docs implementation.",
+  "author": "Naily Zero <zero@naily.cc> (https://naily.cc)",
+  "keywords": [
+    "json-rpc",
+    "rpc",
+    "naily"
+  ],
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs"
+    }
+  },
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "publishConfig": {
+    "access": "public"
+  },
+  "scripts": {
+    "build": "tsup",
+    "watch": "tsup -w"
+  },
+  "dependencies": {
+    "@nailyjs/rpc": "workspace:*",
+    "@types/json-schema": "^7.0.15",
+    "json-schema": "^0.4.0",
+    "zod": "^3.23.8"
+  },
+  "devDependencies": {
+    "tsup": "^8.3.0"
+  }
+}
diff --git a/packages/rpc-protocol/src/index.ts b/packages/rpc-protocol/src/index.ts
new file mode 100644
index 0000000..5159f08
--- /dev/null
+++ b/packages/rpc-protocol/src/index.ts
@@ -0,0 +1,27 @@
+import type { JSONSchema7 as JSONSchema } from 'json-schema'
+
+export interface JsonRpcParamsObject {
+  description?: string
+  name?: string
+  required?: boolean
+  schema?: JSONSchema
+}
+
+export interface JsonRpcResultObject {
+  description?: string
+  schema?: JSONSchema
+}
+
+export interface JsonRpcDocsObject {
+  description?: string
+  summary?: string
+  tags?: string[]
+  params: JsonRpcParamsObject[]
+  result?: JsonRpcResultObject
+}
+
+export interface JsonRpcDoc {
+  jsonrpc: '2.0'
+  tags: string[]
+  docs: Record<string, JsonRpcDocsObject>
+}
diff --git a/packages/rpc-protocol/tsconfig.json b/packages/rpc-protocol/tsconfig.json
new file mode 100644
index 0000000..551ed97
--- /dev/null
+++ b/packages/rpc-protocol/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler"
+  },
+  "include": ["src"]
+}
diff --git a/packages/rpc-protocol/tsup.config.ts b/packages/rpc-protocol/tsup.config.ts
new file mode 100644
index 0000000..31fd75b
--- /dev/null
+++ b/packages/rpc-protocol/tsup.config.ts
@@ -0,0 +1,11 @@
+import { defineConfig } from 'tsup'
+
+export default defineConfig({
+  entry: {
+    index: './src/index.ts',
+  },
+  dts: true,
+  sourcemap: true,
+  clean: true,
+  format: ['cjs', 'esm'],
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 04bd2ab..3f6fccd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -138,6 +138,25 @@ importers:
         specifier: ^8.3.0
         version: 8.3.0(@swc/core@1.7.39(@swc/helpers@0.5.13))(jiti@2.3.3)(postcss@8.4.47)(tsx@4.19.1)(typescript@5.6.3)(yaml@2.6.0)
 
+  packages/rpc-protocol:
+    dependencies:
+      '@nailyjs/rpc':
+        specifier: workspace:*
+        version: link:../rpc
+      '@types/json-schema':
+        specifier: ^7.0.15
+        version: 7.0.15
+      json-schema:
+        specifier: ^0.4.0
+        version: 0.4.0
+      zod:
+        specifier: ^3.23.8
+        version: 3.23.8
+    devDependencies:
+      tsup:
+        specifier: ^8.3.0
+        version: 8.3.0(@swc/core@1.7.39(@swc/helpers@0.5.13))(jiti@2.3.3)(postcss@8.4.47)(tsx@4.19.1)(typescript@5.6.3)(yaml@2.6.0)
+
   packages/unplugin-rpc:
     dependencies:
       '@farmfe/core':
@@ -1577,7 +1596,7 @@ packages:
   '@vitest/eslint-plugin@1.1.7':
     resolution: {integrity: sha512-pTWGW3y6lH2ukCuuffpan6kFxG6nIuoesbhMiQxskyQMRcCN5t9SXsKrNHvEw3p8wcCsgJoRqFZVkOTn6TjclA==}
     peerDependencies:
-      '@typescript-eslint/utils': ^8.2.0
+      '@typescript-eslint/utils': '>= 8.0'
       eslint: '>= 8.57.0'
       typescript: '>= 5.0.0'
       vitest: '*'
@@ -3448,6 +3467,9 @@ packages:
   json-schema-traverse@0.4.1:
     resolution: {integrity: sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==}
 
+  json-schema@0.4.0:
+    resolution: {integrity: sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA==}
+
   json-stable-stringify-without-jsonify@1.0.1:
     resolution: {integrity: sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==}
 
@@ -9186,6 +9208,8 @@ snapshots:
 
   json-schema-traverse@0.4.1: {}
 
+  json-schema@0.4.0: {}
+
   json-stable-stringify-without-jsonify@1.0.1: {}
 
   json5@2.2.3: {}