MCP server for managing WASM-based Node.js microcontainers with browser-native execution and live preview capabilities
This server has exactly ONE tool (execute_skill_action) with virtually no definition quality. The tool description is extremely generic ('Execute skill actions within the WASM microcontainer runtime', 63 chars, below the 72-char param baseline). No input schema is visible in the source code. No parameter definitions, types, or descriptions are present. The mcp_server.py file is a stub that only prints a JSON status message and does not actually implement MCP protocol mechanics (no request/response handling, no tool invocation, no schema registration). The client.py and example_usage.py files demonstrate a hypothetical WASM microcontainer client but have no connection to the MCP server implementation. This is not a functional MCP server.
Execute skill actions within the WASM microcontainer runtime
No input schema visible or implemented for execute_skill_action. Tool accepts undefined parameters with no type information, defaults, constraints, or validation.
Tool description is generic and does not explain WHAT the tool does, WHEN to use it, WHAT parameters it accepts, or WHAT it returns. At 63 characters, it falls below minimum LLM-optimized length of 72 characters and lacks actionable context.
mcp_server.py does not implement MCP protocol. It only prints a static JSON status message and has no request/response loop, no tool invocation handler, and no schema registration mechanism. This is a stub, not a functional server.
No error handling, recovery guidance, or error classification. If execute_skill_action fails, there is no mechanism to communicate what went wrong or what the agent should do next.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 20 | 2026-07-28+ | v2 |
No output schema documented. The tool description does not specify what fields or data structure the agent should expect when calling execute_skill_action.
Tool name 'execute_skill_action' is vague. Does 'skill action' refer to WASM function invocation, Node.js module execution, or arbitrary code? Does 'execute' imply synchronous or asynchronous behavior? Does it accept arbitrary parameters or a specific set?
No relationship between the mcp_server.py MCP implementation and the client.py / example_usage.py code. The client code defines boot_wasm_node_container() but this is not exposed as an MCP tool. The MCP server and the WASM runtime client appear to be disconnected.