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DC Hub — Data Center & Energy Intelligence

M&A Transactions

list_transactions
Read-onlyIdempotent

Find data-center M&A and capital transactions by date range, deal value, region, buyer, or seller. Returns deal names, parties, disclosed values, and deal types for 2,200+ tracked deals.

Instructions

M&A and capital transactions in the data center sector — 2,200+ tracked deals (2019-present), each with its disclosed value where public (many private deals are undisclosed). Returns deal name, buyer, seller, value, date, market, target operator, type (acquisition/JV/refinance/recap). Filter by date range (date_from/date_to, ISO-8601), min_value_usd, region, buyer, or seller. Answers "which data-center deals closed this year", "what was that acquisition worth". Try: list_transactions date_from=2026-01-01 min_value_usd=1000000000. There is no year parameter — use date_from/date_to. Broad M&A and capital-deal flow with filters; do NOT use for hyperscaler-specific lease/PPA/JV activity (use hyperscaler_deals) or a single-deal post-mortem (use deal_autopsy).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
buyerNoFilter by acquiring company name, e.g. Blackstone, KKR, Digital Realty
limitNoMax results to return (1-500; default varies by tool)
offsetNoPagination offset, 0-based (skip this many results)
regionNoGeographic region filter, e.g. us, eu, apac, americas
sellerNoFilter by selling/target company name, e.g. CyrusOne
date_toNoLatest deal date, ISO-8601 (YYYY-MM-DD)
date_fromNoEarliest deal date, ISO-8601 (YYYY-MM-DD)
deal_typeNoDeal type filter, e.g. acquisition, jv, refinance, recap
max_value_usdNoMaximum disclosed deal value in US dollars
min_value_usdNoMinimum disclosed deal value in US dollars, e.g. 1000000000 for $1B+

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
noteNoServing note
tierNoTier the response was served at
countNoRows returned in THIS response
quotaNoCaller quota state (remaining calls, tier) when available.
cachedNoWhether the response was served from cache
_entityNoPayload class discriminator (e.g. facility|market|iso_grid|queue_results|deal|report|response) — branch on this before parsing the rest.
successNotrue when the deal query succeeded
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.
data_sourceNoWhere the deal set comes from
total_countNoTotal deals matching the filter
total_valueNoAggregate disclosed value across the returned set (null when not computed)
_return_loopNoSuggested next-session delta call (get_changes since=24h) so you pull only what changed.
transactionsNoM&A / capital-transaction rows
total_value_unitNoUnit of total_value
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": "Data-center M&A / capital transactions: `transactions` rows with buyer/seller/value/date — alongside the DC Hub 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"
      +    },
      +    "cached": {
      +      "anyOf": [
      +        {
      +          "type": "boolean"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Whether the response was served from cache"
      +    },
      +    "citation": {
      +      "additionalProperties": {},
      +      "description": "Machine-readable citation: how to attribute DC Hub (dchub.cloud) for this payload.",
      +      "properties": {},
      +      "type": "object"
      +    },
      +    "count": {
      +      "anyOf": [
      +        {
      +          "anyOf": [
      +            {
      +              "type": "number"
      +            },
      +            {
      +              "type": "string"
      +            }
      +          ]
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Rows returned in THIS response"
      +    },
      +    "data_source": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Where the deal set comes from"
      +    },
      +    "note": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Serving note"
      +    },
      +    "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."
      +    },
      +    "success": {
      +      "anyOf": [
      +        {
      +          "type": "boolean"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "true when the deal query succeeded"
      +    },
      +    "tier": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Tier the response was served at"
      +    },
      +    "total_count": {
      +      "anyOf": [
      +        {
      +          "anyOf": [
      +            {
      +              "type": "number"
      +            },
      +            {
      +              "type": "string"
      +            }
      +          ]
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Total deals matching the filter"
      +    },
      +    "total_value": {
      +      "anyOf": [
      +        {
      +          "anyOf": [
      +            {
      +              "type": "number"
      +            },
      +            {
      +              "type": "string"
      +            }
      +          ]
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Aggregate disclosed value across the returned set (null when not computed)"
      +    },
      +    "total_value_unit": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Unit of total_value"
      +    },
      +    "transactions": {
      +      "anyOf": [
      +        {
      +          "items": {
      +            "additionalProperties": {},
      +            "properties": {
      +              "buyer": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Acquirer"
      +              },
      +              "date": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Deal date (ISO-8601)"
      +              },
      +              "id": {
      +                "anyOf": [
      +                  {
      +                    "anyOf": [
      +                      {
      +                        "type": "number"
      +                      },
      +                      {
      +                        "type": "string"
      +                      }
      +                    ]
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Deal id"
      +              },
      +              "market": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Market the deal touches"
      +              },
      +              "mw": {
      +                "anyOf": [
      +                  {
      +                    "anyOf": [
      +                      {
      +                        "type": "number"
      +                      },
      +                      {
      +                        "type": "string"
      +                      }
      +                    ]
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Capacity involved, MW, when disclosed"
      +              },
      +              "region": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Region (us | eu | apac | americas …)"
      +              },
      +              "seller": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Seller / target"
      +              },
      +              "type": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "acquisition | jv | refinance | recap …"
      +              },
      +              "value": {
      +                "anyOf": [
      +                  {
      +                    "anyOf": [
      +                      {
      +                        "type": "number"
      +                      },
      +                      {
      +                        "type": "string"
      +                      }
      +                    ]
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Deal value when disclosed (see value_unit)"
      +              },
      +              "value_confirmed": {
      +                "anyOf": [
      +                  {
      +                    "type": "boolean"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Whether the value is confirmed vs reported"
      +              },
      +              "value_display": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Human-formatted value, e.g. \"$9.2B\" or \"Undisclosed\""
      +              },
      +              "value_unit": {
      +                "anyOf": [
      +                  {
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Unit of `value` (e.g. USD)"
      +              },
      +              "year": {
      +                "anyOf": [
      +                  {
      +                    "anyOf": [
      +                      {
      +                        "type": "number"
      +                      },
      +                      {
      +                        "type": "string"
      +                      }
      +                    ]
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ],
      +                "description": "Deal year"
      +              }
      +            },
      +            "type": "object"
      +          },
      +          "type": "array"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "M&A / capital-transaction rows"
      +    }
      +  },
      +  "type": "object"
      +}
  4. Changed14 schema fields changedv2.3.6
    • addedInput schema / properties / buyer / description
      Added value: +"Filter by acquiring company name, e.g. Blackstone, KKR, Digital Realty"
    • addedInput schema / properties / date_from / description
      Added value: +"Earliest deal date, ISO-8601 (YYYY-MM-DD)"
    • addedInput schema / properties / date_to / description
      Added value: +"Latest deal date, ISO-8601 (YYYY-MM-DD)"
    • addedInput schema / properties / deal_type / description
      Added value: +"Deal type filter, e.g. acquisition, jv, refinance, recap"
    • 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 / max_value_usd / description
      Added value: +"Maximum disclosed deal value in US dollars"
    • addedInput schema / properties / min_value_usd / description
      Added value: +"Minimum disclosed deal value in US dollars, e.g. 1000000000 for $1B+"
    • 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 / region / description
      Added value: +"Geographic region filter, e.g. us, eu, apac, americas"
    • addedInput schema / properties / seller / description
      Added value: +"Filter by selling/target company name, e.g. CyrusOne"
  5. First observedv2.1.19

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, covering safety. The description adds useful behavioral context beyond that: the data scope (2,200+ deals since 2019), the caveat that many private deals are undisclosed (value may be null), and the pitfall that there is no 'year' parameter. This goes beyond annotations and adds operational clarity.

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

Conciseness4/5

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

The description is well-structured and front-loaded with purpose. It is somewhat long (multiple sentences) but every sentence adds value: scope, returns, filters, examples, exclusions. It could be tightened slightly, but it is far from bloated and information is easy to scan.

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?

Given 10 parameters, a full output schema, and annotations covering safety, the description covers all essential aspects: purpose, usage examples, exclusions, data caveats, and parameter guidance. It includes a concrete example call and pitfalls. Nothing an agent needs to correctly invoke the tool is missing.

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

Parameters3/5

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

Schema description coverage is 100%, so the baseline is 3. The description mentions filters (date range, min_value_usd, region, buyer, seller) but these are already documented in the schema. The only added meaning is clarifying that date_from/date_to are used instead of a nonexistent 'year' parameter, which is a minor semantic addition. The description does not need to compensate because the schema is complete.

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 lists M&A and capital transactions in the data center sector, enumerates the returned fields, and explicitly differentiates from sibling tools (hyperscaler_deals, deal_autopsy) by stating what it is NOT for. This gives a specific verb+resource with strong sibling differentiation.

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?

It explicitly provides when-to-use guidance with example questions ('which data-center deals closed this year'), a direct example invocation, and explicit exclusions with alternative tool names ('do NOT use for hyperscaler-specific lease/PPA/JV activity (use hyperscaler_deals) or a single-deal post-mortem (use deal_autopsy)'). This fully covers when and when-not to use.

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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