mcp-zero
mcp-zero is an MCP (Model Context Protocol) server (stdio-based) that helps scaffold and generate go-zero projects and components using go-zero’s goctl CLI. It exposes multiple MCP tools to generate API services, RPC services, API code from specs, database models, configs/templates, analyze existing projects, query go-zero docs, and validate inputs.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Security features are only lightly described. The MCP server is stdio/local (so TLS is not a primary control), and no authentication/authorization is described. The README mentions 'safe credential handling with environment variable substitution' and logging/metrics, but provides no concrete details about redaction, secure storage, or how credentials are handled in prompts vs. logs. The tools accept database connection strings and arbitrary content; without strong input/output controls, there is risk of credential exposure and unintended filesystem writes.
⚡ Reliability
Best When
You want an agent-driven workflow to generate go-zero boilerplate and code locally, using Claude Desktop (or another MCP-compatible client) to call these MCP tools.
Avoid When
You cannot control where generated code lands (output_dir/output_path) or you cannot safely provide database/proto/spec content and connection strings to the tool.
Use Cases
- • Scaffolding new go-zero REST API services from prompts
- • Generating gRPC/RPC services from provided protobuf content
- • Generating go-zero API code from .api specification files
- • Producing database models from MySQL/PostgreSQL/MongoDB schemas or DDL
- • Creating go-zero configuration files and common templates (middleware/error handler/deploy artifacts)
- • Validating API spec/proto/config content before running code generation
- • Analyzing an existing go-zero project structure and dependencies
- • Answering go-zero documentation/migration questions via an MCP tool
Not For
- • Production security-critical API endpoints (it’s a local developer tool, not a deployed service)
- • Handling highly sensitive credentials end-to-end without careful secret management and filesystem access controls
- • Automated code generation in restricted environments where writing to arbitrary output directories is not allowed
- • Teams that require OAuth/user-based access control to tool calls
Interface
Authentication
README describes running an MCP server locally and configuring the client to start it. No user authentication/authorization mechanisms are described for tool calls.
Pricing
No pricing model described; likely open-source tooling.
Agent Metadata
Known Gotchas
- ⚠ Tool parameters include filesystem paths (output_dir/output_path/api_file/project_dir). Agents should be cautious about overwriting files and validate paths.
- ⚠ Database model generation requires database connection strings/DDL; agents should avoid leaking secrets and ensure network/database accessibility.
- ⚠ Some tool inputs are large blobs (proto_content, content). Agents should respect client/tool message size limits.
- ⚠ Port/style defaults exist but may not match existing project conventions; agents should confirm style and output paths.
Alternatives
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Scores are editorial opinions as of 2026-03-30.