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write_file_gpd

Export geospatial data to Shapefile, GeoJSON, or GPKG by specifying input and output file paths, with optional driver selection.

Instructions

Export a GeoDataFrame to a file (Shapefile, GeoJSON, GPKG, etc.). Args: gdf_path: Path to the input geospatial file. output_path: Path to save the exported file. driver: Optional OGR driver name (e.g., 'ESRI Shapefile', 'GeoJSON', 'GPKG'). Returns: Dictionary with status and message.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "gdf_path": "<gdf_path>",
      "output_path": "<output_path>"
    },
    "name": "write_file_gpd"
  }
}

Input Schema

Name	Required	Description	Default
`gdf_path`	Yes
`output_path`	Yes
`driver`	No

Output Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed7 schema fields changedv1.0.0Jan 2, 2026
- addedInput schema / properties / driver / anyOf
```
Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]
```
- removedInput schema / properties / driver / title
```
Removed value: -"Driver"
```
- removedInput schema / properties / driver / type
```
Removed value: -"string"
```
- removedInput schema / properties / gdf_path / title
```
Removed value: -"Gdf Path"
```
- removedInput schema / properties / output_path / title
```
Removed value: -"Output Path"
```
- removedInput schema / title
```
Removed value: -"write_file_gpdArguments"
```
- changedOutput schema / (root)
```
Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "type": "object"
+}
```
First observedAug 19, 2025

TDQS

A3.7/5.0

Behavior3/5

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

No annotations, so description carries burden. Indicates write operation but omits details like overwrite behavior, permissions, or format support beyond examples. Return value is described.

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?

Purpose is front-loaded in first sentence. Docstring format is clear but slightly verbose (3-line parameter section). Appropriate length for the context.

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

Completeness3/5

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

Covers core purpose, parameters, and return value. Missing details like error handling, overwrite policy, or file path constraints. Output schema exists but not shown, so completeness is adequate but not strong.

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

Parameters5/5

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

With 0% schema coverage, description adds essential meaning: explains each parameter (gdf_path, output_path, driver) and provides OGR driver examples. This fully compensates for the schema's lack of description.

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?

Description clearly states action ('Export a GeoDataFrame to a file') with concrete format examples. Distinguishes from sibling read_file_gpd by implying 'write' vs 'read'.

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?

No explicit guidance on when to use this tool versus alternatives like save_results. Does not state prerequisites or when not to use (e.g., need existing file?).

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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