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insert_features

Add new rows to an ArcGIS Pro layer or table using attributes and geometry, with optional edit session and save settings.

Instructions

Insert new rows into a layer or table.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
featuresYesRows, e.g. [{"attributes": {"NAME": "A"}, "geometry": "POINT (100 15)"}]. geometry accepts WKT, [x, y] or Esri JSON.
map_nameNoMap to act on; defaults to the active map.
layer_nameYesLayer or table name as shown by get_layers, or a full dataset path.
save_editsNoCommit the edits immediately instead of leaving them pending.
use_edit_sessionNoWrap in an edit session (needed for enterprise/versioned data).
geometry_spatial_referenceNoWKID of the supplied geometry; defaults to the layer's.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.1.1

TDQS

C2.6/5.0
Behavior1/5

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

With no annotations, the description carries the full burden of behavioral disclosure, yet it only restates the basic operation. It omits critical behavioral traits for a mutation tool: whether edits require a session, how save_edits works, permissions needed, error handling, or what happens to pending edits.

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

Conciseness3/5

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

The single sentence is concise and front-loaded, but its extreme brevity for a six-parameter mutation tool means it omits necessary context. It is efficient in form but under-specified for the tool's complexity.

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

Completeness2/5

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

Given that the tool mutates data and has no annotations, the description is incomplete: it does not explain edit sessions, saving behavior, versioning implications, or how the map_name default works. An output schema exists, so return values need not be described, but the behavioral context is still 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?

The input schema has 100% description coverage, so all six parameters are well documented there. The description adds no parameter-level meaning beyond what the schema already provides, making the baseline score of 3 appropriate.

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?

The description uses a specific verb (insert) and resource (new rows into a layer or table), making the core operation clear. However, it does not differentiate from sibling tools like update_features or delete_features, so an agent must infer the distinction from the verb alone.

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 provides no guidance on when to use this tool versus alternatives such as update_features or delete_features, nor any prerequisites or context for insertion. Usage is only implied by the verb 'insert'.

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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