This server exhibits significant definition quality gaps across all six tools. While tool names follow verb-noun conventions (read_file, write_file, etc.), parameter descriptions are minimal or missing entirely. Input schemas are present but severely underdeveloped: most parameters lack constraints, ranges, enums, or validation guidance. Output schemas are completely absent, responses are unstructured text strings rather than structured objects. Error handling exists but provides no recovery guidance or classification. Security is a critical concern: the `delete_file` tool exposes destructive operations without confirmation, dry-run, or permission gating. Path traversal protection exists via `resolve_under_root()`, but the implementation is server-side only with no mention of least-privilege scoping or audit logging.
Tools (6)
append_to_filewritesource verified52/100
Append content to an existing file
create_controllerwritesource verified43/100
Create a new PHP controller with optional function definitions
No output schemas documented. All tools return unstructured plain-text strings (e.g., '✅ File content of ...') instead of structured JSON objects. LLMs cannot extract specific fields for downstream calls or chain operations reliably.
Destructive tool (delete_file) lacks confirmation/dry-run pattern. Tool immediately deletes files with no rollback, confirmation step, or user approval gate. Agents can accidentally destroy data.
Parameter descriptions are minimal or generic. E.g., 'filepath' has description 'Path to the file to read' but lacks constraints: does it support relative paths? What is the base directory? Are symlinks allowed? Encoding? These gaps force LLMs to guess.
Define structured output schemas for all tools. E.g., read_file should return {"filepath": string, "content": string, "size_bytes": number, "encoding": string} instead of a single text blob. This enables LLMs to extract specific fields and chain operations.
Add confirmation/dry-run support to delete_file. Return a confirmation token on the first call; require the token in the second call to actually delete. Or add a dry_run boolean parameter (default false) that returns what would be deleted without executing.
Expand parameter descriptions to include constraints, format hints, and examples. E.g., filepath: 'Path to file relative to project root (e.g., "api/controllers/User.php"). Paths outside root are rejected. Supports UTF-8 filenames.'
Add validation constraints to input schemas. Use JSON Schema minLength, maxLength, pattern, enum, or const fields. E.g., filepath should be non-empty string; functions in create_controller should match PHP method syntax or include a hint about valid PHP syntax.
Implement pagination for list_files. Add parameters: limit (1 - 1000, default 50), offset (default 0). Return {"files": [...], "total_count": number, "has_more": boolean} so agents can iterate through large directories.
Add recovery guidance to all error messages. E.g., instead of '❌ Error: File does not exist', return '❌ File not found at api/controllers/User.php. Call list_files("api/controllers") to see available files.'
Declare scopes and add audit logging. Add tool annotations for permissions: delete_file requires 'delete:files', write_file requires 'write:files'. Log calls to stderr: '[AUDIT] user_id=agent-123 tool=delete_file filepath=api/test.php result=success timestamp=2024-01-15T10:30:00Z'.
Input schemas lack validation constraints. No enum values, no min/max bounds, no regex patterns, no required-vs-optional clarity. E.g., 'functions' parameter in create_controller is a raw string with no hint of valid PHP syntax or format expectations.
Error messages provide no recovery guidance. E.g., 'Error reading file: ...' or '❌ Error: File {path} does not exist' tells the LLM nothing about what to do next. Should suggest 'call list_files to find valid paths' or 'check filepath parameter format'.
No permission gating or audit logging. Tools like delete_file and write_file lack scope declarations (e.g., 'write:files', 'delete:files') and no audit trail (who called what, when, with what result). Cannot trace actions for compliance.
Tool descriptions are under the ideal 50 - 200 character range. E.g., 'Delete a file from the project directory' (43 chars) lacks context: when should this be called vs write_file? What are the consequences? Is deletion permanent or can it be undone?
list_files tool does not support pagination or result limits. If a directory contains thousands of files, the full list is returned unfiltered. This can exhaust context windows and degrade LLM reasoning. No offset, limit, or next_cursor parameters.
Naming could be more precise. 'create_controller' is vague, does it create a PHP class, scaffold a full controller with routing, or just a template? Compare to more explicit names like 'scaffold_php_controller' or 'generate_controller_stub'.
create_controller
Expand tool descriptions. Include WHEN to use each tool and consequences. E.g., delete_file: 'Permanently remove a file from the project. This action cannot be undone. Use for cleanup or removing deprecated code. Requires explicit confirmation via dry-run first.'
Add a dry_run parameter to write_file, append_to_file, and create_controller (default false). When true, return what would be written without actually modifying files. This prevents unintended overwrites.
For create_controller, provide an example of valid 'functions' format or add an enum of common method templates. E.g., suggest 'public function index() { return []; }' or link to a template generator.
Add a confirmation_token pattern to destructive operations. delete_file should return a confirmation message on first call; the actual delete only happens when the token is returned in a follow-up call.
Document the PROJECT_ROOT environment variable constraint in all tool descriptions. E.g., 'All paths are resolved relative to PROJECT_ROOT (default: C:\xampp\htdocs\php_server_MCP2). Cannot access files outside this root.'
Return per-item success/failure for batch operations (if you add them). E.g., a future delete_multiple_files should return [{"filepath": "...", "success": true/false, "error": "..."}] not a blanket success/failure.
Add a confirmation_token field to tool responses for sensitive operations. E.g., delete_file first call returns {"status": "pending_confirmation", "confirmation_token": "<opaque-token>"}; second call requires the token to proceed.