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Merge pull request #117 from anthropics/fix/json-schema-generation

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fix: restore JSON schema generation
This commit is contained in:
joan-anthropic 2025-10-27 10:38:16 -07:00 • committed by GitHub
commit ef6908e612
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GPG key ID: B5690EEEBB952194
4 changed files with 363 additions and 15 deletions
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11
package.json
View file

@ -26,14 +26,16 @@
"types": "./dist/cli.d.ts",
"import": "./dist/cli.js",
"require": "./dist/cli.js"
}
},
"./mcpb-manifest.schema.json": "./dist/mcpb-manifest.schema.json"
},
"bin": "dist/cli/cli.js",
"files": [
"dist"
"dist",
"schemas"
],
"scripts": {
"build": "yarn run build:code",
"build": "yarn run build:code && yarn run build:schema",
"build:code": "tsc",
"build:schema": "node ./scripts/build-mcpb-schema.js",
"dev": "tsc --watch",
@ -71,7 +73,8 @@
"ignore": "^7.0.5",
"node-forge": "^1.3.1",
"pretty-bytes": "^5.6.0",
"zod": "^3.25.67"
"zod": "^3.25.67",
"zod-to-json-schema": "^3.24.6"
},
"resolutions": {
"@babel/helpers": "7.27.1",

327
schemas/mcpb-manifest.schema.json Normal file
View file

@ -0,0 +1,327 @@
{
"type": "object",
"properties": {
"$schema": {
"type": "string"
},
"dxt_version": {
"type": "string",
"const": "0.2",
"description": "@deprecated Use manifest_version instead"
},
"manifest_version": {
"type": "string",
"const": "0.2"
},
"name": {
"type": "string"
},
"display_name": {
"type": "string"
},
"version": {
"type": "string"
},
"description": {
"type": "string"
},
"long_description": {
"type": "string"
},
"author": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"email": {
"type": "string",
"format": "email"
},
"url": {
"type": "string",
"format": "uri"
}
},
"required": [
"name"
],
"additionalProperties": false
},
"repository": {
"type": "object",
"properties": {
"type": {
"type": "string"
},
"url": {
"type": "string",
"format": "uri"
}
},
"required": [
"type",
"url"
],
"additionalProperties": false
},
"homepage": {
"type": "string",
"format": "uri"
},
"documentation": {
"type": "string",
"format": "uri"
},
"support": {
"type": "string",
"format": "uri"
},
"icon": {
"type": "string"
},
"screenshots": {
"type": "array",
"items": {
"type": "string"
}
},
"server": {
"type": "object",
"properties": {
"type": {
"type": "string",
"enum": [
"python",
"node",
"binary"
]
},
"entry_point": {
"type": "string"
},
"mcp_config": {
"type": "object",
"properties": {
"command": {
"type": "string"
},
"args": {
"type": "array",
"items": {
"type": "string"
}
},
"env": {
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"platform_overrides": {
"type": "object",
"additionalProperties": {
"type": "object",
"properties": {
"command": {
"$ref": "#/properties/server/properties/mcp_config/properties/command"
},
"args": {
"$ref": "#/properties/server/properties/mcp_config/properties/args"
},
"env": {
"$ref": "#/properties/server/properties/mcp_config/properties/env"
}
},
"additionalProperties": false
}
}
},
"required": [
"command"
],
"additionalProperties": false
}
},
"required": [
"type",
"entry_point",
"mcp_config"
],
"additionalProperties": false
},
"tools": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"description": {
"type": "string"
}
},
"required": [
"name"
],
"additionalProperties": false
}
},
"tools_generated": {
"type": "boolean"
},
"prompts": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"description": {
"type": "string"
},
"arguments": {
"type": "array",
"items": {
"type": "string"
}
},
"text": {
"type": "string"
}
},
"required": [
"name",
"text"
],
"additionalProperties": false
}
},
"prompts_generated": {
"type": "boolean"
},
"keywords": {
"type": "array",
"items": {
"type": "string"
}
},
"license": {
"type": "string"
},
"privacy_policies": {
"type": "array",
"items": {
"type": "string",
"format": "uri"
}
},
"compatibility": {
"type": "object",
"properties": {
"claude_desktop": {
"type": "string"
},
"platforms": {
"type": "array",
"items": {
"type": "string",
"enum": [
"darwin",
"win32",
"linux"
]
}
},
"runtimes": {
"type": "object",
"properties": {
"python": {
"type": "string"
},
"node": {
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"user_config": {
"type": "object",
"additionalProperties": {
"type": "object",
"properties": {
"type": {
"type": "string",
"enum": [
"string",
"number",
"boolean",
"directory",
"file"
]
},
"title": {
"type": "string"
},
"description": {
"type": "string"
},
"required": {
"type": "boolean"
},
"default": {
"anyOf": [
{
"type": "string"
},
{
"type": "number"
},
{
"type": "boolean"
},
{
"type": "array",
"items": {
"type": "string"
}
}
]
},
"multiple": {
"type": "boolean"
},
"sensitive": {
"type": "boolean"
},
"min": {
"type": "number"
},
"max": {
"type": "number"
}
},
"required": [
"type",
"title",
"description"
],
"additionalProperties": false
}
}
},
"required": [
"name",
"version",
"description",
"author",
"server"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}

30
scripts/build-mcpb-schema.js
View file

@ -1,8 +1,8 @@
import {
McpbManifestSchema,
McpbSignatureInfoSchema,
} from "../dist/schemas.js";
import * as z from "zod/v4";
} from "../dist/schemas/latest.js";
import { zodToJsonSchema } from "zod-to-json-schema";
import fs from "node:fs/promises";
import path from "node:path";
@ -11,15 +11,23 @@ const schemasToWrite = {
"mcpb-signature-info": McpbSignatureInfoSchema,
};
await fs.mkdir(path.join(import.meta.dirname, "../dist"), { recursive: true });
const distDir = path.join(import.meta.dirname, "../dist");
const schemasDir = path.join(import.meta.dirname, "../schemas");
// Generate all schemas to dist/
await fs.mkdir(distDir, { recursive: true });
for (const key in schemasToWrite) {
const schema = z.toJSONSchema(schemasToWrite[key]);
await fs.writeFile(
path.join(import.meta.dirname, "../dist", `${key}.schema.json`),
JSON.stringify(schema, null, 2),
{
encoding: "utf8",
},
);
const schema = zodToJsonSchema(schemasToWrite[key]);
const filePath = path.join(distDir, `${key}.schema.json`);
await fs.writeFile(filePath, JSON.stringify(schema, null, 2), {
encoding: "utf8",
});
}
// Generate only manifest schema to schemas/
await fs.mkdir(schemasDir, { recursive: true });
const manifestSchema = zodToJsonSchema(McpbManifestSchema);
const manifestPath = path.join(schemasDir, "mcpb-manifest.schema.json");
await fs.writeFile(manifestPath, JSON.stringify(manifestSchema, null, 2), {
encoding: "utf8",
});

10
yarn.lock
View file

@ -42,6 +42,7 @@ __metadata:
ts-jest: "npm:^29.3.2"
typescript: "npm:^5.6.3"
zod: "npm:^3.25.67"
zod-to-json-schema: "npm:^3.24.6"
bin:
mcpb: dist/cli/cli.js
languageName: unknown
@ -6387,6 +6388,15 @@ __metadata:
languageName: node
linkType: hard
"zod-to-json-schema@npm:^3.24.6":
version: 3.24.6
resolution: "zod-to-json-schema@npm:3.24.6"
peerDependencies:
zod: ^3.24.1
checksum: 10c0/b907ab6d057100bd25a37e5545bf5f0efa5902cd84d3c3ec05c2e51541431a47bd9bf1e5e151a244273409b45f5986d55b26e5d207f98abc5200702f733eb368
languageName: node
linkType: hard
"zod@npm:^3.25.67":
version: 3.25.67
resolution: "zod@npm:3.25.67"