Loading ToolBench
High-performance Zero Trust API Gateway with enterprise-grade security features including Auth0 Private Key JWT authentication, Fine-Grained Authorization (FGA), Token Vault, OWASP LLM Top 10 mitigations, threat detection, request orchestration, and compliance features (GDPR/HIPAA).
This MCP server implements 10 security-focused tools with reasonable descriptions and schemas, but has significant gaps in parameter documentation, error handling guidance, and output schema documentation. Tool names follow action-verb conventions (authenticate, check_permission, validate_prompt, store_token, retrieve_token, register_agent, delegate_access, health, metrics, gateway_info), which is positive. However, most tools lack detailed parameter constraints, and output schemas are not documented in the source. The 'store_token' and 'delegate_access' tools handle sensitive operations but descriptions don't explicitly state their side effects or idempotency guarantees. Parameter descriptions exist but are often generic, e.g., 'Additional context for validation' lacks actionable guidance on what context fields are supported. The health, metrics, and gateway_info tools are utility functions with minimal parameters, which is appropriate, but their return structures are undocumented. Error handling descriptions are absent across all tools, agents don't know how to recover from failures. No tools document permission requirements or scope declarations.
Auth0 Private Key JWT authentication with orchestrator integration
Permission check using Fine-Grained Authorization (FGA) with relationship-based and attribute-based access control
Delegate access via XAA (Cross-App Access) protocol for AI agent authorization chains
Gateway information including service name, version, operational status, features, and documentation endpoints
Real component health check returning status of orchestrator, auth service, FGA engine, and other components
Live performance metrics including request counts, latency, threat detection, cache hit rates, and orchestrator efficiency
Output schemas undocumented for all 10 tools. Agents cannot plan downstream tool calls or extract the correct response fields without knowing what authenticate(), store_token(), retrieve_token(), register_agent(), delegate_access(), health(), metrics(), and gateway_info() return. This violates the tool-composition pattern.
Error handling and recovery guidance completely absent. No tool description explains what happens on failure, e.g., if authenticate fails, should the agent retry, call a different auth method, or ask the user? No tool provides actionable error messages or alternatives.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | B | 74 | 2026-07-28+ | v2 |
| 2026-03-09 | F | 0 | - | v1 |
Register AI agent in universal directory with credentials and XAA support
Retrieve and decrypt tokens from Auth0 Token Vault
Store and encrypt tokens in Auth0 Token Vault with double encryption
AI prompt validation against OWASP LLM Top 10 threats with LLM security guard
Destructive operations lack explicit side-effect declarations. store_token, register_agent, and delegate_access modify state, but descriptions don't state: (1) is the operation idempotent? (2) what happens if called twice with identical inputs? (3) is there a dry-run option? This violates the command-tool pattern.
Permission and scope declarations missing. No tool documents what permissions are required (e.g., 'requires scope:tokens/write' for store_token). This prevents least-privilege agent configurations and audit trail clarity.
Object-typed parameters lack field specifications. check_permission's 'context' parameter, validate_prompt's 'context', store_token's 'token_data', and register_agent's 'credentials' are all typed 'object' with descriptions like 'Additional context', no guidance on what fields are expected, which are required, or what types they hold.
Enum constraints missing for select parameters. delegate_access's 'permissions' is an array of strings with no enum definition, what permissions are valid? 'read', 'write', 'admin'? 'read:tokens', 'write:agents'? Without enums, agents guess and pass invalid values.
No parameter validation bounds or format guidance. authenticate's 'scopes' is a string, is it space-separated, comma-separated, or a JSON array? retrieve_token's 'vault_reference' has no format hints. store_token's 'expires_in' is an integer, what's the valid range? 0 - infinity? Minutes or seconds?
Secrets handling not visible. No evidence that tokens, keys, or credentials are NOT exposed in tool parameters or responses. store_token and retrieve_token manipulate tokens, are they logged? Returned to the agent? No documentation on secret injection or sanitization.