zod-to-json-schema
Convert Zod validation schemas to JSON Schema format.
Forms, validation and schemas npm ISC
Used in agent projects
43
0.3% of 12,697 public repos built with AI coding agents
Rank in forms, validation and schemas
#13 of 22
by use in those projects
Downloads
69.9M
npm, last 7 days, zod-to-json-schema
GitHub stars
1,251
last push Mar 27, 2026
How zod-to-json-schema is used
zod-to-json-schema is a dependency in 43 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.3%), #13 of 22 in forms, validation and schemas. The most used alternative there is Zod. Projects that use it most often also use Zod (95.3%), Model Context Protocol SDK (JavaScript) (48.8%), tsx (46.5%).
Often used with zod-to-json-schema
| Zod | 95.3% of zod-to-json-schema projects · 5.6× more than average |
|---|---|
| Model Context Protocol SDK (JavaScript) | 48.8% of zod-to-json-schema projects · 10.3× more than average |
| tsx | 46.5% of zod-to-json-schema projects · 4.7× more than average |
| OpenAI | 37.2% of zod-to-json-schema projects · 13.1× more than average |
| TypeScript | 90.7% of zod-to-json-schema projects · 1.6× more than average |
| Vitest | 41.9% of zod-to-json-schema projects · 3.4× more than average |
| Anthropic SDK | 34.9% of zod-to-json-schema projects · 21.0× more than average |
| dotenv | 44.2% of zod-to-json-schema projects · 2.8× more than average |
By coding agent
| Claude Code | 0.6% of projects set up for it |
|---|---|
| GitHub Copilot | 0.7% of projects set up for it |
| Cursor | 0.6% of projects set up for it |
Share of public repos configured for each agent that list zod-to-json-schema as a dependency.
Install
| Package | npm install zod-to-json-schema |
|---|---|
| Main stacks | TypeScript / JavaScript (32), Next.js (9), .NET (1), Rust (1) |
| Example projects | 5pyj29s7cm-tech/LumiCore, amelioro/ameliorate, adeze/raindrop-mcp, Adamlixi/codenano, tontoko/fast-playwright-mcp |
Alternatives to zod-to-json-schema
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Zod npm TypeScript-first schema validation library with static type inference. |
2,153 (17.0%) | 326M | 44.1K | MIT |
| React Hook Form npm Performant form state library using React Hooks with minimal rerenders. |
1,021 (8.0%) | 54.7M | 44.9K | MIT |
| React Hook Form Resolvers npm Validation resolvers for React Hook Form supporting Zod, Yup, and others. |
885 (7.0%) | 45.1M | 2,264 | MIT |
| Pydantic pypi Data validation and parsing library using Python type hints. |
649 (5.1%) | 222M | 29K | — |
| Ajv npm Fast JSON Schema validator for runtime schema validation and serialization. |
131 (1.0%) | 391M | 14.9K | MIT |
| jsonschema pypi Python implementation of JSON Schema validation for structured data. |
129 (1.0%) | 125M | 4,989 | — |
| Protocol Buffers pypi Serialization format and code generator for structured data. |
75 (0.6%) | 154M | — | 3-Clause BSD License |
| drizzle-zod npm Generate Zod validation schemas automatically from Drizzle ORM database schemas. |
68 (0.5%) | 3.2M | 36K | Apache-2.0 |