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DC Hub — Data Center & Energy Intelligence

by azmartone67
OverviewSchemaSourceRelated ServersDiscussions(1)Admin
JavaScript
Remote

Construction Pipeline

get_pipeline
Read-onlyIdempotent

Find data center projects under construction, permitted, or announced—filter by country, operator, capacity, and completion date to track upcoming capacity and commissioning timelines.

Instructions

Use when a user asks "what is being built / announced / permitted" in a market or by an operator — the forward-looking construction pipeline. Example: "What data centers are under construction in Northern Virginia and when do they come online?" — get_pipeline country=US status=construction (there is no market parameter — filter by country/operator, or use search_facilities for a named market). Params: status one of "announced" | "permitted" | "construction" | "operational"; operator (e.g. "Equinix", "Digital Realty", "AWS"); country (ISO-2, e.g. "US", "DE"); min_capacity_mw (e.g. 50 to filter hyperscale); expected_completion_before (ISO date, e.g. "2027-01-01"); limit/offset for pagination. Returns: {projects:[{name, operator, capacity_mw, status, expected_commissioning, market_slug, country, lat, lon}], total, generated_at}. Do NOT use for already-operational facilities (use search_facilities) or for the M&A deal flow (use list_transactions).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax results to return (1-500; default varies by tool)
offsetNoPagination offset, 0-based (skip this many results)
statusNoPipeline stage filter: announced, permitted, construction, or operational
countryNoISO 3166-1 alpha-2 country code, e.g. US, DE, SG
operatorNoOperator/provider company name, e.g. Equinix, Digital Realty, AWS
min_capacity_mwNoMinimum project power capacity filter in megawatts (MW), e.g. 50 for hyperscale
expected_completion_beforeNoOnly projects with expected commissioning before this ISO-8601 date (YYYY-MM-DD), e.g. 2027-01-01

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
quotaNoCaller quota state (remaining calls, tier) when available.
_entityNoPayload class discriminator (e.g. facility|market|iso_grid|queue_results|deal|report|response) — branch on this before parsing the rest.
citationNoMachine-readable citation: how to attribute DC Hub (dchub.cloud) for this payload. Normally an OBJECT {source, url, license, cite_as, retrieved_at}; a bare string is accepted and carries the attribution line itself.
provenanceNoCollection-level provenance block: {source, method, as_of, verification_counts, cite_url_template, license, cite_as}. Quote the verification level when citing.
_front_doorNoIn-band front-door hint (first workflow-entry tool of a session): call plan_query(intent) first for the ordered multi-step plan.
_return_loopNoSuggested next-session delta call (get_changes since=24h) so you pull only what changed.
site_evaluation_handoffNoPre-built follow-up calls (analyze_site / get_water_risk args) when the payload carries coordinates — an array of {tool, parameters, why} entries.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • removedInput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
    • removedOutput schema / $schema
      Removed value: -"http://json-schema.org/draft-07/schema#"
  2. Changed5 schema fields changedv2.3.20
    • removedOutput schema / properties / citation / additionalProperties
      Removed value: -{}
    • addedOutput schema / properties / citation / anyOf
      Added value: +[
+  {
+    "additionalProperties": {},
+    "properties": {},
+    "type": "object"
+  },
+  {
+    "type": "string"
+  }
+]
    • changedOutput schema / properties / citation / description
      Previous value: -"Machine-readable citation: how to attribute DC Hub (dchub.cloud) for this payload."New value: +"Machine-readable citation: how to attribute DC Hub (dchub.cloud) for this payload. Normally an OBJECT {source, url, license, cite_as, retrieved_at}; a bare string is accepted and carries the attribution line itself."
    • removedOutput schema / properties / citation / properties
      Removed value: -{}
    • removedOutput schema / properties / citation / type
      Removed value: -"object"
  3. Changed1 schema field changedv2.3.12
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "description": "DC Hub envelope: structuredContent mirrors the JSON payload in content[0].text — tool-specific data fields ride at the top level alongside these envelope keys.",
+  "properties": {
+    "_entity": {
+      "description": "Payload class discriminator (e.g. facility|market|iso_grid|queue_results|deal|report|response) — branch on this before parsing the rest.",
+      "type": "string"
+    },
+    "_front_door": {
+      "additionalProperties": {},
+      "description": "In-band front-door hint (first workflow-entry tool of a session): call plan_query(intent) first for the ordered multi-step plan.",
+      "properties": {},
+      "type": "object"
+    },
+    "_return_loop": {
+      "additionalProperties": {},
+      "description": "Suggested next-session delta call (get_changes since=24h) so you pull only what changed.",
+      "properties": {},
+      "type": "object"
+    },
+    "citation": {
+      "additionalProperties": {},
+      "description": "Machine-readable citation: how to attribute DC Hub (dchub.cloud) for this payload.",
+      "properties": {},
+      "type": "object"
+    },
+    "provenance": {
+      "additionalProperties": {},
+      "description": "Collection-level provenance block: {source, method, as_of, verification_counts, cite_url_template, license, cite_as}. Quote the verification level when citing.",
+      "properties": {},
+      "type": "object"
+    },
+    "quota": {
+      "additionalProperties": {},
+      "description": "Caller quota state (remaining calls, tier) when available.",
+      "properties": {},
+      "type": "object"
+    },
+    "site_evaluation_handoff": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": {},
+            "properties": {},
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "additionalProperties": {},
+          "properties": {},
+          "type": "object"
+        }
+      ],
+      "description": "Pre-built follow-up calls (analyze_site / get_water_risk args) when the payload carries coordinates — an array of {tool, parameters, why} entries."
+    }
+  },
+  "type": "object"
+}
  4. Changed11 schema fields changedv2.3.6
    • addedInput schema / properties / country / description
      Added value: +"ISO 3166-1 alpha-2 country code, e.g. US, DE, SG"
    • addedInput schema / properties / expected_completion_before / description
      Added value: +"Only projects with expected commissioning before this ISO-8601 date (YYYY-MM-DD), e.g. 2027-01-01"
    • addedInput schema / properties / limit / description
      Added value: +"Max results to return (1-500; default varies by tool)"
    • changedInput schema / properties / limit / maximum
      Previous value: -9007199254740991New value: +500
    • changedInput schema / properties / limit / minimum
      Previous value: --9007199254740991New value: +1
    • addedInput schema / properties / min_capacity_mw / description
      Added value: +"Minimum project power capacity filter in megawatts (MW), e.g. 50 for hyperscale"
    • addedInput schema / properties / offset / description
      Added value: +"Pagination offset, 0-based (skip this many results)"
    • changedInput schema / properties / offset / maximum
      Previous value: -9007199254740991New value: +100000
    • changedInput schema / properties / offset / minimum
      Previous value: --9007199254740991New value: +0
    • addedInput schema / properties / operator / description
      Added value: +"Operator/provider company name, e.g. Equinix, Digital Realty, AWS"
    • addedInput schema / properties / status / description
      Added value: +"Pipeline stage filter: announced, permitted, construction, or operational"
  5. First observedv2.1.19

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already cover read-only/idempotent/non-destructive behavior, and the description adds useful context beyond that: there is no market parameter, statuses are enumerated, and the exact return shape is provided. It also clarifies scope by excluding operational facilities, adding meaningful behavioral guidance without contradicting the annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense but every sentence earns its place: use case, example, parameter summary, return shape, and exclusions. It is front-loaded with the most important usage signal and contains no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with 7 optional parameters and an output schema, the description is fully sufficient. It covers when to use it, how to construct queries, what parameters mean, what the response looks like, and which sibling tools to use instead in edge cases.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3. The description adds value by giving concrete formats and examples for each parameter (ISO-2 country codes, hyperscale capacity threshold, ISO date for expected completion) and by explicitly noting the absence of a market parameter and how to work around it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool returns the forward-looking construction pipeline ('what is being built / announced / permitted') and gives a concrete example. It also distinguishes itself from related tools like search_facilities and list_transactions, so an agent can tell them apart.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says when to use it ('Use when a user asks...'), provides a worked example, and gives direct exclusions with alternatives: do NOT use for operational facilities (use search_facilities) or M&A deal flow (use list_transactions). It also notes there is no market parameter and directs to search_facilities for named markets.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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