Chunk MCP Server
OfficialServer Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CHUNK_RPC | No | JSON-RPC endpoint for the Chunk network | https://rpc.chunknet.org |
| CHUNK_MEDIAN_ADDR | No | MedianFeeds contract address | 0x78D02A47fA898ffF4B37A9B414Eace5eed3e7fAD |
| METRICS_CACHE_TTL_MS | No | Metrics cache TTL in milliseconds | 30000 |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| resources | {
"subscribe": true,
"listChanged": true
} |
| completions | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| list_metricsC | List available metric definitions from a MedianFeeds contract |
| quote_metricsC | Get last quotes for given metric names |
| get_signed_rootC | Get current signed Merkle tree root (epoch) from MedianFeeds |
| get_metrics_countD | Get total metrics count |
| has_metricC | Check if metric exists by name |
| get_metrics_mapC | Get mapping name -> id (index-based) |
| quote_by_idsC | Quote metrics by numeric ids |
| quote_metrics_at_blockC | Quote metrics at specific block number |
| quote_metrics_at_epoch_endC | Quote metrics at the end of an epoch (current by default) |
| quote_metrics_at_timestampC | Quote metrics at specific UNIX timestamp (seconds) |
| get_healthB | Get basic RPC health (chainId, latest block) |
| check_stalenessC | Check if metrics are stale given maxAgeSeconds |
| check_thresholdsC | Check metric thresholds against current values |
| ids_for_namesC | Resolve on-chain metric ids for the given names |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| Chunk Median metrics |
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