Cloudflare Workers MCP server: api-composition-gateway
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Merge multiple API responses into a single unified response keyed by a shared field.
Data sources to merge
Key to merge on
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Merge multiple API responses into a single unified response keyed by a shared field.
| Argument | Type | Description |
|---|---|---|
| sources | array | Data sources to merge |
| mergeKey |
| string |
| Key to merge on |
{
"type": "object",
"properties": {
"sources": {
"type": "array",
"items": {
"type": "string"
},
"default": [
"users",
"orders"
],
"description": "Data sources to merge"
},
"mergeKey": {
"type": "string",
"default": "userId",
"description": "Key to merge on"
}
}
}Aggregate and surface errors from multiple data sources with optional simulation.
| Argument | Type | Description |
|---|---|---|
| sources | array | |
| simulate | boolean |
{
"type": "object",
"properties": {
"sources": {
"type": "array",
"items": {
"type": "string"
},
"default": [
"users",
"orders"
]
},
"simulate": {
"type": "boolean",
"default": false
}
}
}Select specific fields from a data source (GraphQL-style projection).
| Argument | Type | Description |
|---|---|---|
| fields | array | |
| source | string |
{
"type": "object",
"properties": {
"fields": {
"type": "array",
"items": {
"type": "string"
},
"default": [
"id",
"name"
]
},
"source": {
"enum": [
"users",
"orders",
"products"
],
"type": "string",
"default": "users"
}
}
}Manage in-memory response caching with TTL and invalidation (per-isolate, best-effort).
| Argument | Type | Description |
|---|---|---|
| key | string | |
| ttl | integer | |
| value | any | |
| action* | string |
{
"type": "object",
"required": [
"action"
],
"properties": {
"key": {
"type": "string"
},
"ttl": {
"type": "integer",
"default": 300
},
"value": {},
"action": {
"enum": [
"get",
"set",
"invalidate",
"stats"
],
"type": "string"
}
}
}