return new field in response

api/plugin.go

@@ -206,8 +206,12 @@ func (s *Server) GetPolicySchema(c echo.Context) error {
 }
 
 func (s *Server) GetRecipeSpecification(c echo.Context) error {
-	recipeSpec := s.plugin.GetRecipeSpecification()
-	return c.JSON(http.StatusOK, &recipeSpec)
+	recipeSpec, err := s.plugin.GetRecipeSpecification()
+	if err != nil {
+		s.logger.WithError(err).Error("Failed to get recipe spec")
+		return c.JSON(http.StatusInternalServerError, NewErrorResponse("failed to get recipe spec"))
+	}
+	return c.JSON(http.StatusOK, recipeSpec)
 }
 
 func (s *Server) verifyPolicySignature(policy vtypes.PluginPolicy) bool {

api/server.go

@@ -115,7 +115,6 @@ func (s *Server) StartServer() error {
 	// policy mode is always available since it is used by both verifier server and plugin server
 	pluginGroup.POST("/policy", s.CreatePluginPolicy)
 	pluginGroup.PUT("/policy", s.UpdatePluginPolicyById)
-	pluginGroup.GET("/policy/schema", s.GetPolicySchema)
 	pluginGroup.GET("/recipe-specification", s.GetRecipeSpecification)
 	pluginGroup.DELETE("/policy/:policyId", s.DeletePluginPolicyById)
 

go.mod

@@ -10,19 +10,20 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/hibiken/asynq v0.25.1
 	github.com/jackc/pgx/v5 v5.7.4
+	github.com/kaptinlin/jsonschema v0.4.6
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/labstack/gommon v0.4.2
 	github.com/pressly/goose/v3 v3.24.2
 	github.com/redis/go-redis/v9 v9.8.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/viper v1.20.1
 	github.com/stretchr/testify v1.10.0
-	github.com/vultisig/commondata v0.0.0-20250430024109-a2492623ef05
+	github.com/vultisig/commondata v0.0.0-20250710214228-61d9ed8f7778
 	github.com/vultisig/mobile-tss-lib v0.0.0-20250316003201-2e7e570a4a74
-	github.com/vultisig/recipes v0.0.0-20250719180414-00d6b1584122
-	github.com/vultisig/verifier v0.0.0-20250719200941-de5b88138d5c
+	github.com/vultisig/recipes v0.0.0-20250723142134-153c7f486070
+	github.com/vultisig/verifier v0.0.0-20250723150319-a51c59a884bf
 	github.com/vultisig/vultiserver v0.0.0-20250715212748-4b23f9849e4b
-	golang.org/x/sync v0.12.0
+	golang.org/x/sync v0.14.0
 	google.golang.org/protobuf v1.36.6
 )
 
@@ -86,12 +87,16 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.18.0 // indirect
 	github.com/golang/glog v1.2.4 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976 // indirect
+	github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092 // indirect
 	github.com/hashicorp/go-hclog v1.6.3 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-metrics v0.5.1 // indirect
@@ -104,6 +109,7 @@ require (
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jmhodges/levigo v1.0.0 // indirect
+	github.com/kaptinlin/go-i18n v0.1.4 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
@@ -169,7 +175,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/otiai10/primes v0.4.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/sagikazarmark/locafero v0.7.0 // indirect
@@ -186,7 +192,7 @@ require (
 	golang.org/x/crypto v0.36.0
 	golang.org/x/net v0.38.0 // indirect
 	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
 	golang.org/x/time v0.9.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -301,6 +301,10 @@ github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/me
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
 github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
+github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 h1:ZpnhV/YsD2/4cESfV5+Hoeu/iUR3ruzNvZ+yQfO03a0=
 github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2/go.mod h1:bBOAhwG1umN6/6ZUMtDFBMQR8jRg9O75tm9K00oMsK4=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
@@ -370,6 +374,10 @@ github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976 h1:b70jEaX2iaJSPZULSUxKtm73LBfsCrMsIlYCUgNGSIs=
+github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976/go.mod h1:ZGQeOwybjD8lkCjIyJfqR5LD2wMVHJ31d6GdPxoTsWY=
+github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092 h1:c7gcNWTSr1gtLp6PyYi3wzvFCEcHJ4YRobDgqmIgf7Q=
+github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092/go.mod h1:ZZAN4fkkful3l1lpJwF8JbW41ZiG9TwJ2ZlqzQovBNU=
 github.com/graph-gophers/graphql-go v1.3.0 h1:Eb9x/q6MFpCLz7jBCiP/WTxjSDrYLR1QY41SORZyNJ0=
 github.com/graph-gophers/graphql-go v1.3.0/go.mod h1:9CQHMSxwO4MprSdzoIEobiHpoLtHm77vfxsvsIN5Vuc=
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 h1:UH//fgunKIs4JdUbpDl1VZCDaL56wXCB/5+wF6uHfaI=
@@ -464,6 +472,10 @@ github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlT
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/kaptinlin/go-i18n v0.1.4 h1:wCiwAn1LOcvymvWIVAM4m5dUAMiHunTdEubLDk4hTGs=
+github.com/kaptinlin/go-i18n v0.1.4/go.mod h1:g1fn1GvTgT4CiLE8/fFE1hboHWJ6erivrDpiDtCcFKg=
+github.com/kaptinlin/jsonschema v0.4.6 h1:vOSFg5tjmfkOdKg+D6Oo4fVOM/pActWu/ntkPsI1T64=
+github.com/kaptinlin/jsonschema v0.4.6/go.mod h1:1DUd7r5SdyB2ZnMtyB7uLv64dE3zTFTiYytDCd+AEL0=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
@@ -585,8 +597,8 @@ github.com/otiai10/primes v0.4.0/go.mod h1:UrIZFvOIqbXG0dvYr0EiZ9iMd+RdUSc7qs1+U
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
-github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
+github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
+github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 h1:oYW+YCJ1pachXTQmzR3rNLYGGz4g/UgFcjb28p/viDM=
 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=
 github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5/go.mod h1:jvVRKCrJTQWu0XVbaOlby/2lO20uSCHEMzzplHXte1o=
@@ -739,16 +751,16 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
-github.com/vultisig/commondata v0.0.0-20250430024109-a2492623ef05 h1:yNZhAu3L1PrbWzVEmwZcSOdU8rGe8WbghsQxMuoO6KA=
-github.com/vultisig/commondata v0.0.0-20250430024109-a2492623ef05/go.mod h1:UMc5q0Myab+BvzAe67UQrXTXwKGYNxK7bky7DJM+dl8=
+github.com/vultisig/commondata v0.0.0-20250710214228-61d9ed8f7778 h1:XJ1hoo37JKGLmfxD4wYhXO8TJFBdUBnbxxK+zagJ4c4=
+github.com/vultisig/commondata v0.0.0-20250710214228-61d9ed8f7778/go.mod h1:UMc5q0Myab+BvzAe67UQrXTXwKGYNxK7bky7DJM+dl8=
 github.com/vultisig/go-wrappers v0.0.0-20250403041248-86911e8aa33f h1:124Xlloih1FOOXv/HTdgl4syIRBa/xfKFXAecrZSPQE=
 github.com/vultisig/go-wrappers v0.0.0-20250403041248-86911e8aa33f/go.mod h1:UfGCxUQW08kiwxyNBiHwXe+ePPuBmHVVS+BS51aU/Jg=
 github.com/vultisig/mobile-tss-lib v0.0.0-20250316003201-2e7e570a4a74 h1:goqwk4nQ/NEVIb3OPP9SUx7/u9ZfsUIcd5fIN/e4DVU=
 github.com/vultisig/mobile-tss-lib v0.0.0-20250316003201-2e7e570a4a74/go.mod h1:nOykk4nOy1L3yXtLSlYvVsgizBnCQ3tR2N5uwGPdvaM=
-github.com/vultisig/recipes v0.0.0-20250719180414-00d6b1584122 h1:pt1wftezaJRC1x1BSBQeVXj4kjLwbz8dw102vX79R3I=
-github.com/vultisig/recipes v0.0.0-20250719180414-00d6b1584122/go.mod h1:Ci29kT+x5vPxLCRvIrbVNzM+JIMjDbVvvaLTzli5kYQ=
-github.com/vultisig/verifier v0.0.0-20250719200941-de5b88138d5c h1:kPH5+uxReDp7OAOUaG6WZxqj0Ujacs2ho5mRmr/qqzY=
-github.com/vultisig/verifier v0.0.0-20250719200941-de5b88138d5c/go.mod h1:9f3yGSZWKZeXn30mU+/brufkbkLoGlFmNLKOpRbQgeI=
+github.com/vultisig/recipes v0.0.0-20250723142134-153c7f486070 h1:AcE6x2dxkl/4P/TxaMJ70pa2BcZ3+FJWnVmlPVAq4Dk=
+github.com/vultisig/recipes v0.0.0-20250723142134-153c7f486070/go.mod h1:30NOW5y2BnMCmEYFeVls3NhxkbMvuv7BNyRQfoFhGIM=
+github.com/vultisig/verifier v0.0.0-20250723150319-a51c59a884bf h1:3VhxFQR0oJEieaajNDvKlOGBDyTBbSMJSxow3zwUlmw=
+github.com/vultisig/verifier v0.0.0-20250723150319-a51c59a884bf/go.mod h1:9f3yGSZWKZeXn30mU+/brufkbkLoGlFmNLKOpRbQgeI=
 github.com/vultisig/vultiserver v0.0.0-20250715212748-4b23f9849e4b h1:Ed2DOWo8fA0KG6e36rzUmGpxcOQjmWTbxWyvUbI5by8=
 github.com/vultisig/vultiserver v0.0.0-20250715212748-4b23f9849e4b/go.mod h1:HwP2IgW6Mcu/gX8paFuKvfibrGE9UmPgkOFTub6dskM=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
@@ -861,8 +873,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
+golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -927,8 +939,8 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
+golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
 golang.org/x/time v0.9.0 h1:EsRrnYcQiGH+5FfbgvV4AP7qEZstoyrHB0DzarOQ4ZY=
 golang.org/x/time v0.9.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

internal/plugin/plugin.go

@@ -2,12 +2,15 @@ package plugin
 
 import (
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
 
+	"github.com/kaptinlin/jsonschema"
 	"github.com/vultisig/recipes/engine"
 	rtypes "github.com/vultisig/recipes/types"
 	vtypes "github.com/vultisig/verifier/types"
 	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/structpb"
 )
 
 func ValidatePluginPolicy(policyDoc vtypes.PluginPolicy, spec *rtypes.RecipeSchema) error {
@@ -28,3 +31,21 @@ func ValidatePluginPolicy(policyDoc vtypes.PluginPolicy, spec *rtypes.RecipeSche
 	}
 	return nil
 }
+
+func RecipeConfiguration(jsonSchema map[string]any) (*structpb.Struct, error) {
+	b, err := json.Marshal(jsonSchema)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal schema: %w", err)
+	}
+
+	_, err = jsonschema.NewCompiler().Compile(b)
+	if err != nil {
+		return nil, fmt.Errorf("failed to compile schema: %w", err)
+	}
+
+	pb, err := structpb.NewStruct(jsonSchema)
+	if err != nil {
+		return nil, fmt.Errorf("failed to build pb schema: %w", err)
+	}
+	return pb, nil
+}

plugin/dca/dca.go

@@ -771,7 +771,7 @@ func (p *DCAPlugin) completePolicy(ctx context.Context, policy vtypes.PluginPoli
 	return nil
 }
 
-func (p *DCAPlugin) GetRecipeSpecification() *rtypes.RecipeSchema {
+func (p *DCAPlugin) GetRecipeSpecification() (*rtypes.RecipeSchema, error) {
 	return &rtypes.RecipeSchema{
 		Version:         1, // Schema version
 		ScheduleVersion: 1, // Schedule specification version
@@ -829,5 +829,5 @@ func (p *DCAPlugin) GetRecipeSpecification() *rtypes.RecipeSchema {
 			MinVultisigVersion: 1,
 			SupportedChains:    []string{"ethereum"},
 		},
-	}
+	}, nil
 }

plugin/fees/policy.go

@@ -1,6 +1,8 @@
 package fees
 
 import (
+	"fmt"
+
 	"github.com/vultisig/plugin/internal/plugin"
 	rtypes "github.com/vultisig/recipes/types"
 	vtypes "github.com/vultisig/verifier/types"
@@ -16,10 +18,14 @@ import (
 */
 
 func (fp *FeePlugin) ValidatePluginPolicy(policyDoc vtypes.PluginPolicy) error {
-	return plugin.ValidatePluginPolicy(policyDoc, fp.GetRecipeSpecification())
+	spec, err := fp.GetRecipeSpecification()
+	if err != nil {
+		return fmt.Errorf("failed to get recipe spec: %w", err)
+	}
+	return plugin.ValidatePluginPolicy(policyDoc, spec)
 }
 
-func (fp *FeePlugin) GetRecipeSpecification() *rtypes.RecipeSchema {
+func (fp *FeePlugin) GetRecipeSpecification() (*rtypes.RecipeSchema, error) {
 	return &rtypes.RecipeSchema{
 		Version:         1, // Schema version
 		ScheduleVersion: 1, // Schedule specification version
@@ -57,5 +63,5 @@ func (fp *FeePlugin) GetRecipeSpecification() *rtypes.RecipeSchema {
 			MinVultisigVersion: 1,
 			SupportedChains:    []string{"ethereum"},
 		},
-	}
+	}, nil
 }

plugin/payroll/policy.go

@@ -50,5 +50,10 @@ func (p *Plugin) ValidateProposedTransactions(policy vtypes.PluginPolicy, txs []
 }
 
 func (p *Plugin) ValidatePluginPolicy(policyDoc vtypes.PluginPolicy) error {
-	return plugin.ValidatePluginPolicy(policyDoc, p.GetRecipeSpecification())
+	spec, err := p.GetRecipeSpecification()
+	if err != nil {
+		return fmt.Errorf("failed to build recipe spec: %w", err)
+	}
+
+	return plugin.ValidatePluginPolicy(policyDoc, spec)
 }

plugin/payroll/transaction.go

@@ -11,24 +11,24 @@ import (
 	"sync"
 	"time"
 
+	gcommon "github.com/ethereum/go-ethereum/common"
 	etypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/google/uuid"
-	"github.com/vultisig/recipes/ethereum"
-	"github.com/vultisig/recipes/sdk/evm"
-	"github.com/vultisig/verifier/tx_indexer/pkg/storage"
-	"github.com/vultisig/vultiserver/contexthelper"
-	"golang.org/x/sync/errgroup"
-
-	gcommon "github.com/ethereum/go-ethereum/common"
 	"github.com/hibiken/asynq"
 	"github.com/sirupsen/logrus"
 	"github.com/vultisig/mobile-tss-lib/tss"
 	"github.com/vultisig/plugin/common"
+	"github.com/vultisig/plugin/internal/plugin"
 	"github.com/vultisig/plugin/internal/scheduler"
+	"github.com/vultisig/recipes/ethereum"
+	"github.com/vultisig/recipes/sdk/evm"
 	rtypes "github.com/vultisig/recipes/types"
 	"github.com/vultisig/verifier/address"
 	vcommon "github.com/vultisig/verifier/common"
+	"github.com/vultisig/verifier/tx_indexer/pkg/storage"
 	vtypes "github.com/vultisig/verifier/types"
+	"github.com/vultisig/vultiserver/contexthelper"
+	"golang.org/x/sync/errgroup"
 
 	"github.com/vultisig/plugin/internal/types"
 )
@@ -333,7 +333,45 @@ func (p *Plugin) SigningComplete(
 	return nil
 }
 
-func (p *Plugin) GetRecipeSpecification() *rtypes.RecipeSchema {
+const (
+	startDate = "start-date"
+)
+
+const (
+	frequency = "frequency"
+
+	daily    = "daily"
+	weekly   = "weekly"
+	biWeekly = "bi-weekly"
+	monthly  = "monthly"
+)
+
+func (p *Plugin) GetRecipeSpecification() (*rtypes.RecipeSchema, error) {
+	cfg, err := plugin.RecipeConfiguration(map[string]any{
+		"type": "object",
+		"properties": map[string]any{
+			startDate: map[string]any{
+				"type":   "string",
+				"format": "date-time",
+			},
+			frequency: map[string]any{
+				"type": "string",
+				"enum": []any{
+					daily,
+					weekly,
+					biWeekly,
+					monthly,
+				},
+			},
+		},
+		"required": []any{
+			frequency,
+		},
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to build pb recipe config: %w", err)
+	}
+
 	return &rtypes.RecipeSchema{
 		Version:         1, // Schema version
 		ScheduleVersion: 1, // Schedule specification version
@@ -382,13 +420,13 @@ func (p *Plugin) GetRecipeSpecification() *rtypes.RecipeSchema {
 				rtypes.ScheduleFrequency_SCHEDULE_FREQUENCY_BIWEEKLY,
 				rtypes.ScheduleFrequency_SCHEDULE_FREQUENCY_MONTHLY,
 			},
-			MaxScheduledExecutions: -1, // infinite
 		},
+		Configuration: cfg,
 		Requirements: &rtypes.PluginRequirements{
 			MinVultisigVersion: 1,
 			SupportedChains:    []string{"ethereum"},
 		},
-	}
+	}, nil
 }
 
 func (p *Plugin) genUnsignedTx(