Grove's MCP Server for Pocket Network

Instructions

Implementation Reference

• src/handlers/cosmos-handlers.ts:88-110 (schema)

  Input schema and metadata for the 'get_cosmos_delegations' tool

  {
    name: 'get_cosmos_delegations',
    description: 'Get all staking delegations for a Cosmos address',
    inputSchema: {
      type: 'object',
      properties: {
        blockchain: {
          type: 'string',
          description: 'Blockchain name',
        },
        delegatorAddress: {
          type: 'string',
          description: 'Delegator address',
        },
        network: {
          type: 'string',
          enum: ['mainnet', 'testnet'],
          description: 'Network type (defaults to mainnet)',
        },
      },
      required: ['blockchain', 'delegatorAddress'],
    },
  },

• src/handlers/cosmos-handlers.ts:440-456 (handler)

  Execution handler in handleCosmosTool that parses input arguments, calls the service method, and formats the response

  case 'get_cosmos_delegations': {
    const blockchain = args?.blockchain as string;
    const delegatorAddress = args?.delegatorAddress as string;
    const network = (args?.network as 'mainnet' | 'testnet') || 'mainnet';
  
    const result = await cosmosService.getDelegations(blockchain, delegatorAddress, network);
  
    return {
      content: [
        {
          type: 'text',
          text: JSON.stringify(result, null, 2),
        },
      ],
      isError: !result.success,
    };
  }

• src/services/cosmos-service.ts:143-159 (helper)

  Core service method implementing the tool logic by querying the Cosmos REST API for delegations

  async getDelegations(
    blockchain: string,
    delegatorAddress: string,
    network: 'mainnet' | 'testnet' = 'mainnet'
  ): Promise<EndpointResponse> {
    try {
      const baseUrl = this.getRestUrl(blockchain, network);
      const url = `${baseUrl}/cosmos/staking/v1beta1/delegations/${delegatorAddress}`;
  
      return this.fetchRest(url);
    } catch (error) {
      return {
        success: false,
        error: error instanceof Error ? error.message : 'Failed to get Cosmos delegations',
      };
    }
  }