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---
title: MCP servers
description: Add local and remote MCP tools.
---
You can add external tools to OpenCode using the _Model Context Protocol_, or MCP. OpenCode supports both:
- Local servers
- Remote servers
Once added, MCP tools are automatically available to the LLM alongside built-in tools.
---
## Configure
You can define MCP servers in your OpenCode config under `mcp`.
---
### Local
Add local MCP servers using `"type": "local"` within the MCP object. Multiple MCP servers can be added.
:::tip
MCP servers add to your context, so you want to be careful with which
ones you enable.
:::
The key string for each server can be any arbitrary name.
```json title="opencode.json" {15}
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-local-mcp-server": {
"type": "local",
"command": ["bun", "x", "my-mcp-command"],
"enabled": true,
"environment": {
"MY_ENV_VAR": "my_env_var_value"
}
},
"my-different-local-mcp-server": {
"type": "local",
"command": ["bun", "x", "my-other-mcp-command"],
"enabled": true
}
}
}
```
You can also disable a server by setting `enabled` to `false`. This is useful if you want to temporarily disable a server without removing it from your config.
---
### Remote
Add remote MCP servers under `mcp` with `"type": "remote"`.
```json title="opencode.json"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-remote-mcp": {
"type": "remote",
"url": "https://my-mcp-server.com",
"enabled": true,
"headers": {
"Authorization": "Bearer MY_API_KEY"
}
}
}
}
```
Local and remote servers can be used together within the same `mcp` config object.
```json title="opencode.json"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-local-mcp-server": {
"type": "local",
"command": ["bun", "x", "my-mcp-command"],
"enabled": true,
"environment": {
"MY_ENV_VAR": "my_env_var_value"
}
},
"my-remote-mcp": {
"type": "remote",
"url": "https://my-mcp-server.com",
"enabled": true,
"headers": {
"Authorization": "Bearer MY_API_KEY"
}
}
}
}
```
---
## Manage
Your MCPs are available as tools in OpenCode, alongside built-in tools. So you
can manage them through the OpenCode config like any other tool.
---
### Global
This means that you can enable or disable them globally.
```json title="opencode.json" {14}
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-mcp-foo": {
"type": "local",
"command": ["bun", "x", "my-mcp-command-foo"]
},
"my-mcp-bar": {
"type": "local",
"command": ["bun", "x", "my-mcp-command-bar"]
}
},
"tools": {
"my-mcp-foo": false
}
}
```
We can also use a glob pattern to disable all matching MCPs.
```json title="opencode.json" {14}
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-mcp-foo": {
"type": "local",
"command": ["bun", "x", "my-mcp-command-foo"]
},
"my-mcp-bar": {
"type": "local",
"command": ["bun", "x", "my-mcp-command-bar"]
}
},
"tools": {
"my-mcp*": false
}
}
```
Here we are using the glob pattern `my-mcp*` to disable all MCPs.
---
### Per agent
If you have a large number of MCP servers you may want to only enable them per
agent and disable them globally. To do this:
1. Disable it as a tool globally.
2. In your [agent config](/docs/agents#tools) enable the MCP server as a tool.
```json title="opencode.json" {11, 14-18}
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"my-mcp": {
"type": "local",
"command": ["bun", "x", "my-mcp-command"],
"enabled": true
}
},
"tools": {
"my-mcp*": false
},
"agent": {
"my-agent": {
"tools": {
"my-mcp*": true
}
}
}
}
```
---
#### Glob patterns
The glob pattern uses simple regex globbing patterns.
- `*` matches zero or more of any character
- `?` matches exactly one character
- All other characters match literally
|
