A Model Context Protocol (MCP) server that provides tools from Vectara
A Model Context Protocol (MCP) server that provides tools from Vectara
The Model Context Protocol (MCP) is an open standard that enables AI systems to interact seamlessly with various data sources and tools, facilitating secure, two-way connections.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| setup_vectara_api_key | ** |
| api_key | str, Your Vectara API key - required. |
| clear_vectara_api_key | ** |
| ask_vectara | ** |
| query | str, The user query to run - required. |
| corpus_keys | list[str], List of Vectara corpus keys to use for the search - required. |
| n_sentences_before | int, Number of sentences before the answer to include in the context - optional, default is 2. |
| n_sentences_after | int, Number of sentences after the answer to include in the context - optional, default is 2. |
| lexical_interpolation | float, The amount of lexical interpolation to use - optional, default is 0.005. |
| max_used_search_results | int, The maximum number of search results to use - optional, default is 10. |
| generation_preset_name | str, The name of the generation preset to use - optional, default is "vectara-summary-table-md-query-ext-jan-2025-gpt-4o". |
| response_language | str, The language of the response - optional, default is "eng". |
| search_vectara | ** |
| correct_hallucinations | ** |
{
"mcpServers": {
"Vectara": {
"command": "python",
"args": ["-m", "vectara_mcp", "--stdio"],
"env": {
"VECTARA_API_KEY": "your-api-key"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| VECTARA_API_KEY | Credential the server authenticates with. | Yes |
| VECTARA_AUTHORIZED_TOKENS | Credential the server authenticates with. | Yes |
| VECTARA_ALLOWED_ORIGINS | Configuration value read at startup. | Optional |
| VECTARA_TRANSPORT | Configuration value read at startup. | Optional |
| VECTARA_AUTH_REQUIRED | Configuration value read at startup. | Optional |
Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.
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