modelcontextprotocol/mcpb
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rename dxt -> mcpb

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Joan Xie 2025-08-21 14:56:54 -07:00
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14
MANIFEST.md
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@ -1,4 +1,4 @@
# DXT Manifest.json Spec
# MCPB Manifest.json Spec
Current version: `0.1`
Last updated: 2025-06-17
@ -11,7 +11,7 @@ A basic `manifest.json` with just the required fields looks like this:
```json
{
"dxt_version": "0.1", // DXT spec version this manifest conforms to
"mcpb_version": "0.1", // MCPB spec version this manifest conforms to
"name": "my-extension", // Machine-readable name (used for CLI, APIs)
"version": "1.0.0", // Semantic version of your extension
"description": "A simple MCP extension", // Brief description of what the extension does
@ -37,7 +37,7 @@ A basic `manifest.json` with just the required fields looks like this:
```json
{
"dxt_version": "0.1",
"mcpb_version": "0.1",
"name": "my-extension",
"version": "1.0.0",
"description": "A simple MCP extension",
@ -71,7 +71,7 @@ A full `manifest.json` with most of the optional fields looks like this:
```json
{
"dxt_version": "0.1",
"mcpb_version": "0.1",
"name": "My MCP Extension",
"display_name": "My Awesome MCP Extension",
"version": "1.0.0",
@ -162,7 +162,7 @@ A full `manifest.json` with most of the optional fields looks like this:
### Required Fields
- **dxt_version**: Specification version this extension conforms to
- **mcpb_version**: Specification version this extension conforms to
- **name**: Machine-readable name (used for CLI, APIs)
- **version**: Semantic version (semver)
- **description**: Brief description
@ -190,7 +190,7 @@ A full `manifest.json` with most of the optional fields looks like this:
## Compatibility
The `compatibility` object specifies all requirements for running the extension. All fields, including the `compatibility` field itself, are optional. If you specify nothing, clients implementing DXT are encouraged to run the extension on any system.
The `compatibility` object specifies all requirements for running the extension. All fields, including the `compatibility` field itself, are optional. If you specify nothing, clients implementing MCPB are encouraged to run the extension on any system.
```json
{
@ -291,7 +291,7 @@ The `server` object defines how to run the MCP server:
1. **Python**: `server.type = "python"`
- Requires `entry_point` to Python file
- All dependencies must be bundled in the DXT
- All dependencies must be bundled in the MCPB
- Can use `server/lib` for packages or `server/venv` for full virtual environment
- Python runtime version specified in `compatibility.runtimes.python`