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This server has moderate issues across naming, descriptions, and schema clarity. Most tools use valid action verbs (devcontainer_up, devcontainer_exec, devcontainer_list), which is good. However, descriptions are mixed quality, some are clear but others are vague or incomplete. Parameter descriptions exist but lack detail on constraints, formats, and valid ranges. Input schemas are registered via Zod (zodToJsonSchema), but the actual schema definitions in the source are incomplete (code snippet cuts off at src/devcontainer.ts). Critical gaps: missing output schema documentation, no pagination guidance for list_* tools, no error handling patterns documented, and parameter descriptions lack actionable constraints. The tool composition is reasonable, each tool has one clear responsibility, but the interface could better match agent expectations.
Runs docker command to cleanup all devcontainer environments.
Runs a custom shell command inside the devcontainer for the specified workspace. Useful for executing arbitrary commands or scripts within the devcontainer environment.
Runs docker command to list all devcontainer environments.
Executes user-defined postCreateCommand and postStartCommand scripts within the devcontainer for the specified workspace. Use this to run setup or initialization tasks after container startup.
Initializes and starts a devcontainer environment in the specified workspace folder. Ensures the devcontainer is operational and ready for development tasks.
Runs find command to get all workspace folders with devcontainer config.
Missing output schema documentation. No tool documents what fields or structure are returned. LLMs cannot plan downstream calls or extract data without knowing response shape.
devcontainer_cleanup and devcontainer_list have vague descriptions (under 50 chars). 'Runs docker command to cleanup/list all devcontainer environments' does not explain WHEN to use, what happens, or side effects. LLMs cannot distinguish cleanup from list based on these descriptions.
devcontainer_workspace_folders naming is unclear. The name does not start with a clear action verb, 'workspace_folders' is a noun, not 'list_workspace_folders' or 'find_workspace_folders'. Agents may not recognize this as a discovery/list tool.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-21 | F | 45 | <=2025-11-25 | v2 |
| 2026-03-09 | F | 42 | - | v1 |
Parameter descriptions lack actionable constraints. 'workspaceFolder' is described only as 'Path to the workspace folder (string)', no mention of required format, relative vs absolute, validation rules, or examples. stdioFilePath lacks guidance on defaults and valid paths.
devcontainer_cleanup is marked DESTRUCTIVE (high risk) but has no dry-run mode, confirmation step, or recovery guidance documented. Agents can trigger destructive operations without understanding consequences or having a rollback path.
No pagination or result limiting for devcontainer_list. If there are many containers, the response could be arbitrarily large, blowing context windows. No documented limit, no cursor/offset params, no total count.
Error handling is generic. The catch block returns error.message but does not categorize errors as retryable, user-fixable, or fatal. No recovery guidance. LLM receives error text but not what to do next.