serpent
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HOST | No | Server host | 0.0.0.0 |
| PORT | No | Server port | 8000 |
| GITHUB_TOKEN | No | Optional token for GitHub REST API to raise rate limit from 60 to 5000 req/hour | |
| NCBI_API_KEY | No | Optional API key for PubMed (NCBI E-utilities) to raise from 3 to 10 req/sec | |
| BRAVE_API_KEY | No | Optional API key for Brave Search API (free tier: 2000 req/month) | |
| SERPER_API_KEY | No | API key for serper.dev Google provider | |
| DEFAULT_TIMEOUT | No | Default timeout in seconds | 10 |
| SERPBASE_API_KEY | No | API key for serpbase.dev Google provider | |
| ENABLED_PROVIDERS | No | Comma-separated list to restrict which providers are active (empty = all available) | |
| AGGREGATOR_TIMEOUT | No | Aggregator timeout in seconds | 15 |
| STACKEXCHANGE_API_KEY | No | Optional key for Stack Exchange API to raise limit from 300 to 10,000 req/day | |
| ALLOW_UNSTABLE_PROVIDERS | No | Allow unstable providers (best-effort ones) | false |
| MAX_RESULTS_PER_PROVIDER | No | Maximum results per provider | 10 |
| SEMANTIC_SCHOLAR_API_KEY | No | Optional API key for Semantic Scholar Graph API to raise from 1 to 10 req/sec |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| search_webB | Search the web using all enabled providers and return aggregated, deduplicated results with a unified schema. Good for general queries. |
| search_googleA | Search Google via a configured third-party provider (serpbase or serper). Returns structured organic results, answer boxes, and related searches. |
| search_academicB | Search academic sources (arXiv, Wikipedia). Best for research questions, paper discovery, and factual lookups. |
| search_githubC | Search GitHub repositories. Returns repo name, description, stars, language, and topics. |
| compare_enginesA | Run the same query against multiple providers and return results grouped by provider for side-by-side comparison. |
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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