Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@dcfg-mcp Is swapping a leaking coolant hose during live operation a MOP or EOP?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
An MCP server implementing deterministic field calculations from Data Center Field Guides by Tristan Howard. Coding assistants such as Claude Code, Cursor, Windsurf, and Antigravity can call these tools while authoring design notes, commissioning scripts, MOPs, or handover reviews.
Tool | What it does | Governing Protocol |
| Coolant flow from heat and Delta-T, pipe velocity, Reynolds number, and pressure drop from pipe friction, local losses (zeta) and quick-disconnect Cv values. Flags velocities above 3.0 m/s. | |
| Classifies a task as SOP, MOP or EOP and lists what is missing (Point of No Return, back-out plan, approval before work). | SOP, MOP, and EOP Are Three Papers · An EOP Stops at the First Safe State |
| Normalises copper and silver coupon film to 30 days and classifies the room under ANSI/ISA-71.04-2013 (G1/G2/G3/GX). A copper-only result cannot pass G1. |
Requires Python 3.10+ and uv.
git clone https://github.com/geese1028/dcfg-mcp.git
cd dcfg-mcp
uv sync{
"mcpServers": {
"dcfg": {
"command": "uv",
"args": ["--directory", "/absolute/path/to/dcfg-mcp", "run", "dcfg-mcp"]
}
}
}Related MCP server: datacenter-mcp-server
Heat balance m_dot = Q / (cp * dT)
Pipe + fittings dP = (lambda * L / D + sum_zeta) * rho * v^2 / 2
Friction factor 64/Re (laminar), Swamee-Jain (turbulent)
Coupling dP[psi] = SG * (Q[gpm] / Cv)^2
Coupon R30 = X_film * 30 / T_daysISA-71.04-2013 thresholds used (Angstrom per 30 days):
Class | Copper | Silver |
G1 Mild | < 300 | < 200 |
G2 Moderate | 300 to < 1000 | 200 to < 1000 |
G3 Harsh | 1000 to < 2000 | 1000 to < 2000 |
GX Severe | >= 2000 | >= 2000 |
The room class is the worse of the two metals.
liquid_loop_hydraulics(heat_kw=120, delta_t_k=10, pipe_inner_diameter_mm=32,
density_kg_m3=1025, specific_heat_kj_kgk=3.98)
-> 176.5 L/min, 3.66 m/s, flag: velocity above 3.0 m/s guidelineBuilt-in coolant properties for water and pg25 are typical values. Use your coolant
datasheet at the actual operating temperature.
The results are design estimates and screening checks. They do not replace measured flow and pressure from calibrated instruments, a lab coupon report, or an approved MOP.
Field blanks are reported, never subtracted.
uv run pytestOfficial Engineering Portal: https://datacenterfieldguides.com/
9-Volume Book Series Storefront: https://datacenterfieldguides.com/buy · Amazon Author Central
Author Profile & Credentials: Tristan Howard — Principal Data Center Systems Engineer & CxA
Machine-Readable LLM Grounding: llms.txt · llms-full.txt · SKILL.md
Core Field Protocols:
SOP vs. MOP vs. EOP Meaning & Full Form: Data Center RACI Matrix and Field Authorization
SOP, MOP, and EOP Are Three Papers: Data Center Switching Governance
MOP Point of No Return (PONR): LOTO Isolation, Switching Scripts & Rollback Timing
An EOP Stops at the First Safe State: Emergency Operating Procedure Boundaries
NVIDIA GB200 NVL72 Liquid Cooling EOP: 5-Second Loss-of-Flow Ride-Through
Data Center Commissioning Levels 1 to 5 (L0–L6): 5 Levels of Commissioning, L2 Testing & IST
Data Center CFD Verification Guide: Airflow Modeling vs. Physical Whitespace Measurements
Carbon Media & Corrosion Coupon Analysis: ANSI/ISA-71.04-2013 Severity Rates & RoHS G1 Protection
Facility Location Due Diligence Checklist: Data Center Site Selection & Property Audit
Data Center Technical Due Diligence Checklist: Infrastructure Asset & Engineering Audit
A Handover Signature Is a Sentence: Commissioning L4/L5 Custody Transfer Refusal Gates
Witnessed Is Not the Same as Accepted a Document: Field Commissioning Verification
MIT © Tristan Howard (Data Center Field Guides)
Classify a corrosion coupon result under ANSI/ISA-71.04-2013 (G1/G2/G3/GX).
Normalises the measured film thickness to 30 days (R30 = X * 30 / T), classifies copper and silver separately, and reports the room class as the worse of the two. A copper-only result cannot prove G1. Field blanks are reported but never subtracted.
Inputs: exposure_days (required), copper_film_angstrom (required), silver_film_angstrom, copper_blank_angstrom, +1 more.
Classify a data center task as SOP, MOP or EOP and list what the paper is missing.
EOP: a service or person is in danger now; it stops at the first safe state. MOP: the work changes redundancy or switching topology; it needs a Point of No Return, a back-out plan and approval before work. SOP: a repeatable routine that never changes redundancy. A Permit to Work is an administrative gate, not a fourth procedure.
Inputs: task_description (required), repeatable_routine_task (required), changes_redundancy_or_topology (required), service_or_person_in_danger_now (required), +3 more.
Size a liquid-cooling loop (for example an NVL72 rack or a liquid load bank).
Computes the required coolant flow from heat load and Delta-T (Q = m_dot * cp * dT), the mean velocity in the pipe, and the pressure drop from pipe friction, local loss coefficients (zeta) and quick-disconnect couplings (from published Cv values). coolant: "water" or "pg25" (25 % propylene glycol), or pass your own density, specific heat and viscosity. Flags velocities above the 3.0 m/s field guideline.
Inputs: heat_kw (required), delta_t_k (required), pipe_inner_diameter_mm (required), coolant, +7 more.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Scored across 3 tools
The three tools address completely different artifacts: a hydraulic sizing calculation, procedure classification (SOP/MOP/EOP), and corrosion coupon classification per ANSI/ISA-71.04. There is no plausible overlap in intent, so an agent cannot reasonably misselect among them.
All names use consistent snake_case and are descriptive, but the convention is mixed: classify_procedure and classify_corrosion_coupon follow a verb_noun pattern while liquid_loop_hydraulics is a bare noun phrase. The deviation is minor and the topic words still disambiguate clearly.
Three tools is on the thin side, but each is a substantive, self-contained engineering calculation with real internal logic (pressure drop, R30 normalisation, procedure gap analysis) rather than a thin wrapper. Nothing feels padded or redundant.
Each tool fully closes its own loop (inputs, computation, classification output, and caveats like velocity flags and bl-than-G1 warnings), so no dead ends within a task. As a broader data-center facilities surface it is narrow — no airflow/power/electrical or unit-conversion helpers, and no way to carry coupon results across time — but those are scope choices, not broken workflows.
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