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TylerIlunga

Procore MCP Server

Create Prime Change Order

create_prime_change_order

Create a prime change order in Procore for a specified project and contract. Returns the newly created change order with its ID.

Instructions

Create a new Prime Change Order. This endpoint currently only supports projects using 1 and 2 tier change order configurations. Pass the record's fields as top-level arguments — they are nested under "change_order" in the request payload for you. project_id defaults to the value set by procore_set_config when omitted. Creates the prime change order and returns it with its new id (HTTP 201); calling it again creates another record. Failures come back as an error payload carrying the HTTP status — commonly 401 when the token has expired, 403 without tool permission, and 404 when an id does not resolve. Required parameters: project_id, contract_id. Procore API: Construction Financials > Prime Contracts. Endpoint: POST /rest/v1.0/projects/{project_id}/prime_change_orders

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
paidNoJSON request body field — whether or not the Commitment Change Order is paid
titleNoJSON request body field — title of the Contract
numberNoJSON request body field — number of the Change Order
reasonNoJSON request body field — reason for the change order
statusNoJSON request body field — the status for this Prime Contracts operation
privateNoJSON request body field — whether or not the Commitment Change Order is private
batch_idNoJSON request body field — unique identifier for a change order batch.
due_dateNoJSON request body field — due date in YYYY-MM-DD format
executedNoJSON request body field — whether or not the Change Order is executed
revisionNoJSON request body field — revision Number
paid_dateNoJSON request body field — the paid date in YYYY-MM-DD format
referenceNoJSON request body field — the reference for this Prime Contracts operation
project_idYesURL path parameter — unique identifier for the project.
contract_idYesJSON request body field — unique identifier for the contract.
descriptionNoJSON request body field — the description for this Prime Contracts operation
enable_ssovNoJSON request body field — whether to enable SSOV on this Change Order. Only applicable to Commitment Change Orders.
location_idNoJSON request body field — unique identifier for the location.
field_changeNoJSON request body field — the field change for this Prime Contracts operation
invoiced_dateNoJSON request body field — the invoiced date in YYYY-MM-DD format
attachment_idsNoJSON request body field — existing attachments to preserve on the response
received_from_idNoJSON request body field — unique identifier for the received from entity.
signature_requiredNoJSON request body field — whether a signature will be required for this Change Order
designated_reviewer_idNoJSON request body field — unique identifier for the designated reviewer. This field is only supported for single-tier projects. Behavior is undefined in multi-tier projects.
schedule_impact_amountNoJSON request body field — schedule impact in days
change_event_attachment_idsNoJSON request body field — list of attachment IDs to attach. These must presently be associated with Change Events.
run_configurable_validationsNoQuery string parameter — if true, validations are run for the corresponding Configurable Field Set.
change_order_change_reason_idNoJSON request body field — unique identifier for the change reason.
request_for_quote_attachment_idsNoJSON request body field — list of attachment IDs to attach. These must presently be associated with Request For Quotes (or their Quotes / Responses).
signed_change_order_received_dateNoJSON request body field — signed Change Order Received Date
revised_substantial_completion_dateNoJSON request body field — revised substantial completion date, only supported for Prime Change Orders on single-tier projects.
custom_field_%{custom_field_definition_id}NoJSON request body field — value of the custom field. The data type of the value passed in corresponds with the data_type of the Custom Field Definition. For a lov_entry data_type the value passed in should be the ID of one ...
Behavior5/5

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

The description discloses that 'calling it again creates another record,' reinforcing the non-idempotent behavior beyond the idempotentHint annotation. It also explains request payload nesting ('nested under "change_order"') and maps common HTTP error codes to auth/permission/resolution issues, adding value beyond the structured annotations. No contradiction with annotations.

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 moderately long but every sentence contributes operational detail: scope, payload handling, defaults, idempotence, errors, required parameters, and API metadata. It is front-loaded with the primary action and avoids redundancy, though the API category and endpoint lines could be considered optional.

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 the lack of an output schema, the description fills the gap by stating it 'returns it with its new id (HTTP 201)' and describing failure payloads with common statuses. It also covers tier support, required parameters, and the project_id default, making the tool well-contextualized for an agent.

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?

With schema description coverage at 100%, the schema already documents all 31 parameters individually. The description adds a global semantic by stating fields are passed as top-level arguments and nested into 'change_order' for the caller, and that project_id defaults from procore_set_config if omitted, which is not evident from the schema alone.

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 opens with 'Create a new Prime Change Order', using a specific verb and resource. It further clarifies scope by noting support for only 1 and 2 tier change order configurations, and the endpoint path distinguishes it from other change order tools.

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

Usage Guidelines4/5

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

The description states the endpoint 'currently only supports projects using 1 and 2 tier change order configurations,' providing an explicit exclusion. It also explains the project_id default behavior and error cases, giving the agent context for when to call this tool. It does not name alternative sibling tools, so while guidance is clear, explicit alternatives are absent.

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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