OpenCode Morph Fast Apply
OpenCode plugin for Morph Fast Apply - 10x faster code editing with lazy edit markers. No MCP server needed.
What is OpenCode Morph Fast Apply?
OpenCode Morph Fast Apply is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to opencode plugin for morph fast apply - 10x faster code editing with lazy edit markers. no mcp server needed.
OpenCode plugin for Morph Fast Apply - 10x faster code editing with lazy edit markers. No MCP server needed.
This server falls under the Coding Agents category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- OpenCode plugin for Morph Fast Apply - 10x faster code editi
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx opencode-morph-fast-applyConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use OpenCode Morph Fast Apply
opencode-morph-fast-apply is an OpenCode plugin that integrates Morph's Fast Apply API into the OpenCode AI coding assistant, enabling AI-driven code edits at over 10,500 tokens per second using lazy edit markers instead of exact string matching. The plugin exposes a `morph_edit` tool that intelligently merges partial code snippets containing `// ... existing code ...` markers with original file content, returning a unified diff for review. It is particularly effective for large files, scattered multi-location changes, and whitespace-sensitive edits where native edit tools are less reliable.
Prerequisites
- OpenCode installed and configured on your machine
- A Morph API key (obtain free from morphllm.com/dashboard/api-keys)
- Node.js available in your PATH (used by the OpenCode plugin system)
- MORPH_API_KEY environment variable set in your shell profile
Obtain a Morph API key
Sign up at morphllm.com and generate an API key from the dashboard. Copy the key — it starts with `sk-`.
Set the MORPH_API_KEY environment variable
Add the API key to your shell profile so it is available when OpenCode starts.
export MORPH_API_KEY="sk-your-key-here"Add the plugin to your OpenCode config
Edit your global OpenCode config at ~/.config/opencode/opencode.json and add the plugin and the packaged instruction file that guides the model on when to use morph_edit.
{
"instructions": [
"~/.config/opencode/instructions/morph-tools.md"
],
"plugin": [
"github:JRedeker/opencode-morph-fast-apply"
]
}Restart OpenCode
Restart OpenCode. The `morph_edit` tool will be available in the active agent's tool manifest. Confirm by asking OpenCode to list available tools.
Use morph_edit for large or scattered code changes
For files over 500 lines or changes spanning multiple locations, use morph_edit. Use the native `edit` tool for small, exact string replacements where no API round-trip is needed.
OpenCode Morph Fast Apply Examples
Client configuration
OpenCode global config enabling the morph-fast-apply plugin with instruction routing.
{
"instructions": [
"~/.config/opencode/instructions/morph-tools.md"
],
"plugin": [
"github:JRedeker/opencode-morph-fast-apply"
]
}Prompts to try
Example tasks where morph_edit delivers the most benefit over native editing.
- "Add error handling to all async functions in src/api/client.ts"
- "Refactor the authentication module to use the new token format across all files"
- "Add TypeScript types to the 600-line utils.js file"
- "Update all console.log statements to use the logger utility in src/services/"
- "Add JSDoc comments to every exported function in lib/helpers.ts"Troubleshooting OpenCode Morph Fast Apply
morph_edit tool not appearing in the agent's tool manifest
Ensure the active OpenCode agent profile does not have `morph_edit: false` set. The plugin installs the tool, but individual agent profiles can suppress it. Check your agent config and enable it explicitly.
API authentication errors when using morph_edit
Verify MORPH_API_KEY is exported in the shell profile that launches OpenCode. Run `echo $MORPH_API_KEY` in your terminal to confirm it is set. Keys start with `sk-`.
morph_edit deletes file content instead of merging correctly
The plugin includes pre-flight validation that rejects edits where lazy markers (`// ... existing code ...`) cover the entire file without any concrete new content. If this triggers, provide more concrete code in the update block alongside the markers.
Frequently Asked Questions about OpenCode Morph Fast Apply
What is OpenCode Morph Fast Apply?
OpenCode Morph Fast Apply is a Model Context Protocol (MCP) server that opencode plugin for morph fast apply - 10x faster code editing with lazy edit markers. no mcp server needed. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install OpenCode Morph Fast Apply?
Follow the installation instructions on the OpenCode Morph Fast Apply GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with OpenCode Morph Fast Apply?
OpenCode Morph Fast Apply works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is OpenCode Morph Fast Apply free to use?
Yes, OpenCode Morph Fast Apply is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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Set Up OpenCode Morph Fast Apply in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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