paperstack
by Aldrin-Joan
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| S2_API_KEY | No | Optional Semantic Scholar API key for higher rate limits | |
| MAX_RETRIES | No | Maximum number of retries for HTTP requests | 3 |
| GITHUB_TOKEN | No | Optional GitHub token for higher API rate limits | |
| HTTP_TIMEOUT | No | Timeout in seconds for HTTP requests | 60 |
| OLLAMA_MODEL | No | Ollama model name | mistral |
| ARXIV_DB_PATH | No | Path to the SQLite workflow database | ${ARXIV_DOWNLOAD_DIR}/arxiv_mcp.db |
| DIFF_CACHE_TTL | No | TTL in seconds for diff cache (default 24 hours) | 86400 |
| LINK_CACHE_TTL | No | TTL in seconds for code link cache (default 48 hours) | 172800 |
| ARXIV_CACHE_DIR | No | Directory for caching downloaded PDFs | ./downloads |
| ARXIV_CACHE_TTL | No | TTL in seconds for cache entries (default 7 days) | 604800 |
| ARXIV_KEEP_PDFS | No | Whether to keep PDFs after parsing | false |
| EMBEDDING_MODEL | No | Embedding model for semantic similarity | sentence-transformers/all-MiniLM-L6-v2 |
| OLLAMA_BASE_URL | No | Base URL for Ollama server | http://localhost:11434 |
| REPRO_CACHE_TTL | No | TTL in seconds for reproducibility cache (default 7 days) | 604800 |
| ARXIV_RATE_LIMIT | No | Rate limit for arXiv API requests per second | 1 |
| GITHUB_MAX_FILES | No | Maximum number of files to analyze from a GitHub repository | 20 |
| CHUNK_SIZE_TOKENS | No | Token chunk size for context building | 800 |
| ARXIV_DOWNLOAD_DIR | No | Directory for downloaded PDFs (used in MCP config) | ${workspaceFolder}/downloads |
| CITATION_CACHE_TTL | No | TTL in seconds for citation cache (default 24 hours) | 86400 |
| SEMANTIC_INDEX_DIR | No | Directory for semantic index storage | ${ARXIV_DOWNLOAD_DIR}/semantic_index |
| CHUNK_OVERLAP_TOKENS | No | Token overlap between chunks | 100 |
| ARXIV_RATE_LIMIT_DELAY | No | Delay in seconds between arXiv API calls | 3.0 |
| CONTRIBUTION_CACHE_TTL | No | TTL in seconds for contribution cache (default 7 days) | 604800 |
| GITHUB_MAX_FILE_SIZE_KB | No | Maximum file size in KB for GitHub file analysis | 50 |
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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