mcp-ddg-research
by isyuricunha
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| MCP_HOST | No | Host used for optional streamable HTTP mode. | 0.0.0.0 |
| MCP_PORT | No | Port used for optional streamable HTTP mode. | 8000 |
| MCP_CACHE_DIR | No | Directory for JSON cache files. | /data/cache |
| MCP_TRANSPORT | No | MCP transport. 'stdio' is the default. 'http' uses streamable HTTP when supported by the installed SDK. | stdio |
| MCP_AUTH_TOKEN | No | Bearer token for HTTP mode. If set, every HTTP request must send Authorization: Bearer <token>. If unset, HTTP mode logs a warning and runs without auth. | |
| MAX_CONCURRENCY | No | Default deep search page fetch concurrency limit when max_concurrency is omitted. Runtime caps this at 12. | 5 |
| MCP_ALLOWED_HOSTS | No | Comma-separated Host allowlist for HTTP mode. '*' supports arbitrary deployment hosts by disabling SDK Host/Origin rebinding checks. | * |
| DDG_TIMEOUT_SECONDS | No | DuckDuckGo provider and fallback timeout in seconds. | 15 |
| MCP_ALLOWED_ORIGINS | No | Comma-separated Origin allowlist for HTTP mode. '*' supports arbitrary origins by disabling SDK Host/Origin rebinding checks. | * |
| DDG_CACHE_TTL_SECONDS | No | Search cache TTL in seconds. | 21600 |
| FETCH_TIMEOUT_SECONDS | No | Web fetch timeout in seconds. | 15 |
| FETCH_CACHE_TTL_SECONDS | No | Web fetch cache TTL in seconds. | 7200 |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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