mcp-server-time
An MCP (Model Context Protocol) server that provides time and timezone utilities (current time, formatting, parsing, timezone/DST info) and exposes them via MCP-compatible transports including SSE and a stateless HTTP "streamable" endpoint. It also includes health and Prometheus metrics endpoints and supports YAML/env-based configuration.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Strengths indicated: 'non-root container execution' and configurable logging/metrics/health endpoints. Missing/unclear: authentication/authorization, rate-limit policy, TLS requirements (no explicit statement about forcing HTTPS), and secure operational guidance. Since no auth is described, treat the server as trusted-network/internal by default or put it behind an authenticated reverse proxy/gateway.
⚡ Reliability
Best When
You want a lightweight MCP tool to standardize time parsing/formatting/timezone lookups inside agent/assistant workflows, typically in a controlled network where an internal service can be called.
Avoid When
You need strong access control, fine-grained authorization, or clearly documented throttling/error-handling contracts; you also should avoid exposing it directly to the public internet without upstream protections.
Use Cases
- • Generate current timestamps in specific timezones and formats for agent workflows
- • Convert timestamps between formats/timezones (e.g., RFC3339 <-> Unix, layout strings)
- • Parse human-readable time strings with explicit format or auto-detection
- • Provide timezone metadata and DST transition-related information for scheduling
- • Integrate time utilities into MCP-capable clients (e.g., IDEs/agents) via SSE or HTTP request/response
Not For
- • Security-critical timekeeping/auditing where strict authentication/authorization is required (auth details not described)
- • Environments that require strict documented rate-limit/error-code semantics for automated clients (not specified)
- • Using it as a general-purpose time-series database or long-term storage service
- • Public internet exposure without additional gateway/WAF/network controls (authentication/authorization not documented)
Interface
Authentication
No authentication/authorization mechanism is described in the provided README (e.g., API keys, OAuth, or access control). The endpoints appear configurable but protected auth is not documented.
Pricing
Self-hosted open-source project; no pricing details in provided materials.
Agent Metadata
Known Gotchas
- ⚠ Rate limits are not documented in the provided README; agents may need conservative retry/backoff defaults.
- ⚠ Error response formats/codes for the MCP/HTTP endpoints are not described, so agents should be resilient to varying error schemas.
- ⚠ Time parsing/auto-detection behavior is not fully specified; agents should validate inputs/expected formats when precision matters.
- ⚠ SSE transport semantics (reconnect/backoff, event naming) are not detailed in the provided README.
Alternatives
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Scores are editorial opinions as of 2026-04-04.