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Revit Model MCP

Model Health Check

revit_model_health
Read-onlyIdempotent

Read Revit model quality counts and warning groups, then optionally export an .xlsx health report with up to five snapshots.

Instructions

Read model quality counts: project metadata, file size, counts, units and the ten most frequent warning groups. Unavailable metrics are null and listed in skipped. output_path also writes an .xlsx health report with up to five snapshots. A non-empty skipped list means the result is incomplete; skippedCount counts all skipped entries.

Input Schema

NameRequiredDescriptionDefault
documentNoTitle or file name substring of the target document; needed when several Revit instances run.
process_idNoRevit process ID; takes precedence over document.
output_pathNoNew .xlsx health report path on the MCP server machine; parent must exist and existing files are refused.
timeout_secondsNoSeconds to wait for a result (default 120).
pickup_timeout_secondsNoSeconds to wait for the add-in to pick up the job (default 300); unused over HTTP.

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed12 schema fields changedv0.10.0
    • changedInput schema / properties / document / description
      Previous value: -"Case-insensitive substring of the target active document title or file name. Reads require exactly one matching instance; omitted document requires exactly one running instance. Zero or multiple matches fail before publishing. revit_list_instances returns all matching instances, or all running instances when omitted."New value: +"Title or file name substring of the target document; needed when several Revit instances run."
    • removedInput schema / properties / document / title
      Removed value: -"Document"
    • addedInput schema / properties / output_path
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "New .xlsx health report path on the MCP server machine; parent must exist and existing files are refused."
      +}
    • changedInput schema / properties / pickup_timeout_seconds / description
      Previous value: -"Positive integer seconds to wait for the add-in to pick up a local or SSH job (300 when omitted); ignored over HTTP. A pickup timeout raises an error but the pending job may still execute later."New value: +"Seconds to wait for the add-in to pick up the job (default 300); unused over HTTP."
    • removedInput schema / properties / pickup_timeout_seconds / title
      Removed value: -"Pickup Timeout Seconds"
    • changedInput schema / properties / process_id / description
      Previous value: -"Exact positive Revit process ID. Takes precedence over document; if both are supplied they must agree."New value: +"Revit process ID; takes precedence over document."
    • removedInput schema / properties / process_id / title
      Removed value: -"Process Id"
    • removedInput schema / properties / save_to
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "New .xlsx health report path on the MCP server machine; parent must exist and existing files are refused.",
      -  "title": "Save To"
      -}
    • changedInput schema / properties / timeout_seconds / description
      Previous value: -"Positive integer seconds to wait for a result after pickup (120 when omitted); HTTP uses this as its response budget. Expiry raises an error, and increasing it does not override the add-in's execution limits."New value: +"Seconds to wait for a result (default 120)."
    • removedInput schema / properties / timeout_seconds / title
      Removed value: -"Timeout Seconds"
    • removedInput schema / title
      Removed value: -"revit_model_healthArguments"
    • removedOutput schema / title
      Removed value: -"revit_model_healthDictOutput"
  2. Changed1 schema field changedv0.9.1
    • addedInput schema / properties / save_to
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "New .xlsx health report path on the MCP server machine; parent must exist and existing files are refused.",
      +  "title": "Save To"
      +}
  3. Changed2 schema fields changedv0.7.0
    • changedInput schema / properties / document / description
      Previous value: -"Case-insensitive substring of the target active document title or file name; default null leaves requests unaddressed, so any instance may respond. Use a unique substring with multiple instances; revit_list_instances instead returns all matching instances, or all instances when omitted."New value: +"Case-insensitive substring of the target active document title or file name. Reads require exactly one matching instance; omitted document requires exactly one running instance. Zero or multiple matches fail before publishing. revit_list_instances returns all matching instances, or all running instances when omitted."
    • addedInput schema / properties / process_id
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "integer"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "Exact positive Revit process ID. Takes precedence over document; if both are supplied they must agree.",
      +  "title": "Process Id"
      +}
  4. Changed3 schema fields changedv0.1.1
    • addedInput schema / properties / document / description
      Added value: +"Case-insensitive substring of the target active document title or file name; default null leaves requests unaddressed, so any instance may respond. Use a unique substring with multiple instances; revit_list_instances instead returns all matching instances, or all instances when omitted."
    • addedInput schema / properties / pickup_timeout_seconds / description
      Added value: +"Positive integer seconds to wait for the add-in to pick up a local or SSH job (300 when omitted); ignored over HTTP. A pickup timeout raises an error but the pending job may still execute later."
    • addedInput schema / properties / timeout_seconds / description
      Added value: +"Positive integer seconds to wait for a result after pickup (120 when omitted); HTTP uses this as its response budget. Expiry raises an error, and increasing it does not override the add-in's execution limits."
  5. First observed

TDQS

A3.5/5.0
Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive), so the description correctly spends its budget elsewhere: it discloses that unavailable metrics come back null, that they are enumerated in skipped, that skippedCount totals skipped entries, and that a non-empty skipped list means the result is incomplete. It also notes output_path writes an .xlsx with up to five snapshots. It does not mention auth requirements or performance cost of scanning large models.

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?

Three tight sentences with no filler, front-loaded on what is read before moving to the optional side effect and the incompleteness caveat. Dense but every clause carries information.

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

Completeness4/5

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

An output schema exists, so return values need not be explained, yet the description still supplies the crucial interpretive rule for skipped/skippedCount. Combined with the annotation-covered safety profile and fully documented parameters, an agent has what it needs to call this correctly; only selection against sibling tools is unaddressed.

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 coverage is 100%, so the baseline is 3; the schema already documents document, process_id, output_path, and both timeouts including precedence rules. The description adds only one increment of meaning — that output_path produces an .xlsx with up to five snapshots — beyond what the schema states.

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

Purpose4/5

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

Names a specific read operation and enumerates exactly what is returned (project metadata, file size, counts, units, ten most frequent warning groups), so an agent knows the scope without opening the schema. It does not, however, distinguish itself from adjacent siblings such as revit_document_info or revit_list_warnings, which overlap on metadata and warning data.

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

Usage Guidelines2/5

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

The description never states when to reach for this tool versus alternatives like revit_document_info (metadata), revit_list_warnings (warnings) or revit_model_snapshot (snapshots). The only conditional content is about interpreting results (non-empty skipped = incomplete), which is output semantics rather than usage guidance.

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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