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Securityprompt, exec, net, exfil, eval
35%
35.0 pts
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20%
20.0 pts
Maintenancestaleness, pinning, CI
15%
15.0 pts
TransparencySKILL.md, perms, README
15%
15.0 pts
Communityinstalls, verify, response
15%
15.0 pts
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18d8ffa
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The primary manifest — the file an agent reads to learn what this artifact does.
OpenAPI Sync MCP
A high-performance MCP server for OpenAPI specifications. Parse, diff, track dependencies, and generate code - all from your AI assistant.
Built with Rust for speed and minimal resource usage.
Features
- Dependency Graph - Know which endpoints break when you change a schema
- Smart Diff - Detect breaking changes before they hit production
- Paginated Parsing - Handle massive specs without overwhelming context
- 24h Cache - Fast repeated queries with HTTP cache support
- Multi-target Codegen - TypeScript, Rust, Python from one spec
Quick Start
npm install -g @jhlee0409/openapi-sync-mcpAdd to ~/.claude/settings.json:
{
"mcpServers": {
"oas": {
"command": "openapi-sync-mcp"
}
}
}Tools
| Tool | Description |
|---|---|
oas_parse | Parse and validate OpenAPI spec (with pagination) |
oas_deps | Find affected endpoints when a schema changes |
oas_diff | Compare two spec versions, detect breaking changes |
oas_status | Check cache status |
oas_generate | Generate TypeScript/Rust/Python code |
Code Generation Targets
typescript-types · typescript-fetch · typescript-axios · typescript-react-query · rust-serde · rust-reqwest · python-pydantic · python-httpx
Installation
# npm (recommended)
npm install -g @jhlee0409/openapi-sync-mcp
# Cargo
cargo install openapi-sync-mcp
# Or download from GitHub ReleasesTroubleshooting
Server not responding?
chmod +x openapi-sync-mcp
echo '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}' | openapi-sync-mcpCache issues? Delete .openapi-sync.cache.json or use use_cache: false.
Development
cargo test # Run tests
cargo fmt --check # Check formatting
cargo clippy # LintLicense
MIT
Related
- claude-plugins - Plugin commands (
/oas:*) for enhanced workflow