Ruben Marcus — Agent-Ready Portfolio
https://rubenmarcus.dev/api/mcp ↗
Description
Public portfolio MCP for resume, services, availability, project evidence, and introductions.
What our measurements say
Ruben Marcus — Agent-Ready Portfolio is a remote MCP server published at rubenmarcus.dev. It has been probed 6 times since 9/10/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 2,373 ms, a delay an agent will notice. It offers a narrow, focused set of 4 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names directly reflect their purpose (e.g., 'book_intro' for scheduling introductions).
- Distinct functions with no overlapping capabilities.
Weaknesses
- Descriptions focus on 'what' rather than 'when' to use tools (e.g., no guidance for 'book_intro' triggers).
- No inputSchema details provided to clarify required parameters or constraints.
- Conditional use note for 'book_intro' is buried in description, not explicitly documented as a limitation.
book_intro— Conditional use requirement not clearly separated from core functionalityget_services— Lacks explicit trigger conditions for agent decision-makingget_resume— No parameter definitions in description to guide input requirements
Verdict
Event narrative
Risk: medium
- 2026-09-10T21:16:35.016Z — Era changed from auth-gated to legacy · Stable legacy era established
- 2026-09-11T07:35:54.413Z — Compliance score set to 100 · Indicates full compliance, but smoke test status remains unresolved
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 557ms → warm 6680ms (penalty 0ms)
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Server build: — → 1.0.0
- Supported versions: — → 2025-11-25
- Era changed: Auth-gated → Legacy
- Added to watch — era: Auth-gated
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